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SEMI-ANNUAL BUDGET PERFORMANCE REPORT FY 2013/14

  • Apr 4, 2014
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1 THE REPUBLIC OF UGANDA SEMI-ANNUAL BUDGET PERFORMANCE REPORT FY 2013/14 MINISTRY OF FINANCE, PLANNING AND ECONOMIC DEVELOPMENT APRIL 2013

2 Semi-Annual Budget Performance Report Financial Year 2013/14 Table Of Contents Glossary................................................................................................................................................................7 Abbreviations and Acronyms...........................................................................................................................10 Executive Summary...........................................................................................................................................20 Part One: Overall Fiscal and Resource Performance 1. 1 Overall Fiscal Operations ..................................................................................................................... 86 1.2. Tax Revenue Performance.................................................................................................................... 89 1.3. Non-Tax Revenue Performance ........................................................................................................... 92 1.4. Donor Funding Performance ................................................................................................................ 92 Part Two: Overview of Expenditure Performance 2.1 Highlights of Overall Expenditure Performance ................................................................................... 96 (i) Overall Expenditure Performance..................................................................................................... 96 (ii) Sector Expenditure Performance ...................................................................................................... 98 (iii) Sector Level Service Delivery Performance..................................................................................... 98 2.2 Central Government Expenditure .......................................................................................................... 99 (i) Overall Central Government Releases and Expenditure................................................................... 99 (ii) Central Government Expenditure on Vote Functions and Outputs ................................................ 101 (iii) Central Government Expenditure on Economic Items ................................................................... 104 2.3 Local Government Transfers and Expenditure .................................................................................... 104 Part Three: Details of Sector Financial and Physical Performance Structure of Detailed Sector Financial and Physical Performance ............................................................ 106 Agriculture.................................................................................................................................................107 Lands and Housing.....................................................................................................................................109 Energy and Mineral Development.............................................................................................................111 Works and Transport..................................................................................................................................113 Information Communication Technology..................................................................................................115 Tourism, Trade and Industry......................................................................................................................117 Education....................................................................................................................................................119 Health.........................................................................................................................................................122 Water, Sanitation and the Environment.....................................................................................................124 Social Development...................................................................................................................................126 2

3 Semi-Annual Budget Performance Report Financial Year 2013/14 Table Of Contents Security......................................................................................................................................................128 Justice, Law and Order..............................................................................................................................130 Public Sector Management........................................................................................................................132 Accountability...........................................................................................................................................135 Legislature.................................................................................................................................................137 Public Administration................................................................................................................................139 Part 4: Details of Vote Physical and Financial Performance Structure of Detailed Vote Physical and Financial Performance ...................................................................141 AGRICULTURE 010 Ministry of Agriculture, Animal Industry & Fisheries.. 142 121 Dairy Development Authority .. 164 122 Kampala City Council Authority.. 170 125 National Animal Genetic Resource Centre and Data Bank. 173 142 National Agricultural Research Organisation. 178 152 NAADS Secretariat... 217 155 Uganda Cotton Development Organisation 233 160 Uganda Coffee Development Authority 238 LANDS, HOUSING AND URBAN DEVELOPMENT 012 Ministry of Lands, Housing & Urban Development. 246 156 Uganda Land Commission. 254 ENERGY AND MINERAL DEVELOPMENT 017 Ministry of Energy and Mineral Development 258 123 Rural Electrification Agency............................................................................... 276 WORKS AND TRANSPORT 016 Ministry of Works and Transport. 279 113 Uganda National Road Authority. 296 118 Uganda Road Fund. 302 122 Kampala City Council Authority... 308 INFORMATION, COMMUNICATION AND TECHNOLOGY 020 Ministry of Information & Communications Technology... 311 126 National Information Technology Authority 318 TOURISM, TRADE AND INDUSTRY 015 Ministry of Trade, Industry and Cooperatives. 323 022 Ministry of Tourism Wildlife and Antiquities.. 345 110 Uganda Industrial Research Institute.. 351 117 Uganda Tourism Board........................ 388 3

4 Semi-Annual Budget Performance Report Financial Year 2013/14 Table Of Contents 154 Uganda National Bureau of Standards 392 EDUCATION 013 Ministry of Education and Sports 397 111 Busitema University. 417 122 Kampala City Council Authority .. 421 132 Education Service Commission ... 426 136 Makerere University 430 137 Mbarara University.. 435 138 Makerere University Business School. 440 139 Kyambogo University. 443 140 Uganda Management Institute 447 149 Gulu University 450 HEALTH 014 Ministry of Health 456 107 Uganda AIDS Commission. 469 114 Uganda Cancer Institute. 476 115 Uganda Heart Institute... 482 116 National Medical Stores. 487 122 Kampala City Council Authority 491 134 Health Service Commission. 495 151 Uganda Blood Transfusion Service .. 499 161 Mulago Hospital Complex 503 162 Butabika Hospital.. 509 163 - 176 Referral Hospitals.. 514 WATER AND ENVIRONMENT 019 Ministry of Water and Environment.. 586 122 Kampala City Council Authority. 616 150 National Environment Management Authority. 619 157 National Forestry Authority. 624 SOCIAL DEVELOPMENT 018 Ministry of Gender, Labour and Social Development 630 122 Kampala City Council Authority... 648 124 Equal Opportunities Commission 651 SECURITY 001 Office of the President.. 655 004 Ministry of Defence. 658 159 External Security Organisation 663 4

5 Semi-Annual Budget Performance Report Financial Year 2013/14 Table Of Contents JUSTICE, LAW AND ORDER 007 Ministry of Justice and Constitutional Affairs 666 009 Ministry of Internal Affairs. 678 101 Judiciary.. 688 105 Law Reform Commission. 693 106 Uganda Human Rights Commission. 698 109 Law Development Centre 702 119 Uganda Registration Services Bureau. 705 120 National Citizenship and Immigration Control 708 133 Directorate of Public Prosecutions.. 715 144 Uganda Police (incl LDUs).. 719 145 Uganda Prisons. 734 148 Judicial Service Commission. 743 PUBLIC SECTOR MANAGEMENT 003 Office of the Prime Minister 748 005 Ministry of Public Service. 759 011 Ministry of Local Government.. 768 021 East African Community 775 108 National Planning Authority.. 783 122 Kampala City Council Authority.. 787 146 Public Service Commission. 793 147 Local Government Finance Commission 797 ACCOUNTABILITY 008 Ministry of Finance, Planning & Economic Development. 801 103 Inspectorate of Government.... 833 112 Ethics and Integrity.. 838 122 Kampala City Council Authority.. 841 131 Auditor General.. 844 141 Uganda Revenue Authority .. 848 143 Uganda Bureau of Statistics.. 855 153 Public Procurement and Disposal of Assets .. 860 LEGISLATURE 104 Parliamentary Commission.. 865 PUBLIC ADMINISTRATION 001 Office of the President 869 002 State House.... 879 006 Ministry of Foreign Affairs.. 883 102 Electoral Commission...... 890 5

6 Semi-Annual Budget Performance Report Financial Year 2013/14 Table Of Contents Annexes Annex 1: Details of Overall Release and Expenditure Performance A1.1 Approved Estimates and Half Year Expenditure by Vote Function....................................................896 A1.2 Half Year Releases and Expenditure on Service Delivery Outputs.....................................................904 Annex 2: Central Government Release and Expenditure Performance A2.1 Half Year Central Government Releases and Expenditure by Class of Output...................................906 A2.2 Half Year Central Government Expenditure by Economic Item in FY 2013/14.................................908 A2.3 Half Year Central Government Economic Items with Highest Expenditure.......................................911 A2.4 Half Year Government Economic Items with Highest Unspent Balances..........................................912 A2.5 Half Year Central Government Vote Functions with Highest Unspent Balances...............................913 A2.6 Development Central Government Half-Year Budget Performance by Vote and Project..................914 Annex 3: Local Government Release Performance A3.1 Half Year Local Government Grant Releases in FY2013/14..............................................................922 A3.2 Half Year Release Performance by District and Budget Classification FY 2013/14..........................924 A3.3 Half Year PRDP Releases for FY 2013/14 ........................................................................................928 6

7 Semi-Annual Budget Performance Report Financial Year 2013/14 Glossary of Key Terms Sector: These are groups of institutions (Votes) or parts of institutions which contribute towards a common function, e.g. education Votes: These are institutions (Ministries, Departments, Agencies and Local Governments) which are the basis of the annual budget and appropriations made by Parliament, and the basis for accountability, e.g. Ministry of Education and Sports. Vote Functions: These are groups of related services and capital investments delivered by a Vote or delivered on behalf of that Vote by another institution e.g. secondary education services Vote Function Key Outputs: These are strategically important services delivered by the Vote Function which contribute directly to the Votes and indirectly to the sectors objectives, e.g. purchase of instructional material which contributes to increasing access to education and to the wider sector objective of increasing literacy and numeracy rates. Key Performance Indicators: These measure the performance of Vote Function Key Outputs, e.g. No of classrooms constructed. Programmes: These represent the results or sets of activities implemented by the Vote which contribute to the achievement of the Vote Function objectives. These are recurrent in nature, e.g. inspection of primary schools. Projects : These represent the results or set of activities implemented by the Vote which contribute to the achievement of Vote Function objectives. They primarily involve capital purchases and may be financed by the Government of Uganda and/or Development Partners, e.g. Emergency construction of primary school classrooms. Item: This is the lowest operational level of the budget, and represents the resources necessary to carry out activities, e.g. staff salaries, travel inland, printing and stationery. Chart of Accounts: This is the complete list of items against which budget allocations are made and appropriated through the Integrated Financial Management System. This forms the basis of the detailed budget estimates. Service delivery spending: This represents budget allocation and expenditure on outputs which deliver key public services on behalf of the Government, e.g. classroom construction which enables the delivery of education services. Non Service delivery spending: This represents budget allocation and expenditure on outputs, usually recurrent in nature, which contribute indirectly to the provision of key public services, e.g. administration of payrolls enables the delivery of education services by teachers in schools. Approved Budget: This is the appropriated budget by the Parliament of the Republic of Uganda, which is normally undertaken in September of the proceeding financial year. 7

8 Semi-Annual Budget Performance Report Financial Year 2013/14 Glossary of Key Terms Release: Central Government transfer of funds to MDAs (including supplementary funds) from the consolidated fund. Expenditure: Actual spending by MDAs (recorded by EFT transfers) reported on the IFMS and Legacy systems. Absorption: Funds spent by MDAs as a proportion of the funds released from Central Government. Percentage of Budget Released: This is the percentage of the approved budget (excluding supplementary budgets appropriated in year) that is released by Central Government. Percentage of Budget Spent: This is the percentage of the approved budget (excluding supplementary budgets appropriated in year) that is spent by MDAs through EFT transfers. Supplementary Budget: This is an in year addition to an MDAs approved budget. This budget is also appropriated by Parliament during the course of the Financial Year. Unspent balances: Funds that were released by Central Government but not spent by MDAs. This calculation does not include commitments (encumbrance) on the IFMS system. Consumption (Outputs Provided): These are services provided by the Vote, either internally or to an external third party. These services are funded through the expenditures on employee costs and goods and services in the chart of accounts. Investment (Capital Purchases): These relate to purchases of capital assets in the chart of accounts Grants and Subsidies (Outputs Funded): These are services funded by the Vote but delivered by another institution. They relate to expenditures on grants and transfers in the chart of accounts. Poverty Alleviation Fund (PAF): These are ring fenced expenditures for front line services that are crucial for alleviating poverty. 8

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17 Semi-Annual Budget Performance Report Financial Year 2013/14 Acronyms and Abbrieviations UEPB Uganda Export Promotion Board UShs.

18 Semi-Annual Budget Performance Report Financial Year 2013/14 Acronyms and Abbrieviations VSLA Village Savings and Loan Association WBS Wavah Broadcasting Service WFAP Water for Agricultural Production WFP World Food Programme WG Working Group WHO World Health Organisation WTO World Trade Organization 18

19 Semi-Annual Budget Performance Report Financial Year 2013/14 Executive Summary INTRODUCTION This Semi-Annual Budget Performance Report (SABPR) provides an analysis of budget execution during the first half of FY 2013/14. It illustrates performance of resources and expenditures and provides an overview of sector and Vote level physical achievements across Government. FISCAL AND REVENUE PERFORMANCE The recent economic developments presented a challenging environment for aggregate fiscal policy management. On the revenue side, taxes recorded a cumulative shortfall of Shs 264 billion in the first half. The shortfall was largely attributed to consumption-related taxes (VAT) and lower than expected corporate tax collections. These shortfalls are likely to persist during the second half of the Financial Year, given that the areas registering shortfalls have been performing well in the previous financial years. Notwithstanding the revenue shortfalls, the performance of the broad expenditure categories during in the first half remained slightly below projections as the administrative delay of payments during the upgrade of IFMS in the month of October did affect some expenditure categories. A total of Shs4,112.3 billion was spent compared to Shs 4,150.3 billion projected. The most affected aggregates were employee costs, with a total of Shs 736.5 billion compared to the programmed level of Shs 769.8 billion. Transfers to other levels of government and pensions were also affected. However, the emergence towards the end of the first half, of spending pressures through requests for supplementary expenditure presents a serious risk for budget implementation in the second half of Financial Year 2013/14. As a result of revenue shortfalls and the largely unchanged spending levels, government run a larger fiscal deficit for the first half than earlier programmed. The deficit was mainly financed domestically by adjusting the level of treasury instruments issued. A deficit including grants of Shs1,249.6 billion was recorded compared to the programmed level of Shs1,142.0 billion while net domestic financing requirements increased from the programmed level of Shs 348.5 billion to Shs700.4 billion. AGGREGATE EXPENDITURE PERFORMANCE There were relatively high absorption rates of 92.9% across the budget in the first half of FY 2013/14. At an aggregate level UGX. 4,364.6 Bn of the GoU budget was released by end of December FY 2013/14 (exclusive of arrears, taxes and interest payments). This equates to 45.7% of the approved budget. Of this, Ushs. 4,056.4 Bn was spent (42.5 % of the approved budget) which results in Ushs.. 307.90 Bn of unspent balances. Sector Level Expenditure Performance In terms of release performance, generally all sectors demonstrated strong absorptive capacity by the end of December, with the exception of the Water and Enviroment sector (79.6%). Performance on Service Delivery Spending 19

20 Semi-Annual Budget Performance Report Financial Year 2013/14 Executive Summary Absorptive capacity for service delivery expenditure was generally high at the sector level. Budget execution was strong for all the sectors with the lowest absorption of 64.6% in the Water and Enviroment sector. Spending on Investment slower than on Consumption, Grants and Subsidies Analysis of Central Government expenditures by economic classification shows that whereas absorption was high across the three classifications (consumption expenditure, investment and Grants and Subsidies), half year releases for investment were less than half compared to the other categories. 20

21 Semi-Annual Budget Performance Report Financial Year 2013/14 Executive Summary SECTOR PERFORMANCE AGRICULTURE SECTOR Financial Performance Aggregate Expenditure Performance The approved budget for the sector for the FY 2013/14 was UGX 422.179 including taxes and Appropration in Aid. Out of the above budget, UGX 315bn was GOU funds while the UGX 67.664 was donor (external financing). The composition of the budget by expenditure category was as follows; Wage constituted UGX 62.094bn, Non Wage Recurrent was UGX 62.861bn, GoU Development was UGX 190.174bn. At H1 a total of UGX 214.35bn was released representing a release performance of 56.0 % of the approved budget. The wage releases performed at 48.3%, Non wage at 54.1%, GOU developement at 54% and Donor at 70.4%. At vote level, the higest absorption rates of the releases was reported by NARO (142)-, UCDA (160), DDA (121) and MAAIF (010) at 100%, 97.5%, 82.7%, 76.4% respectively. On the other hand NAGRC&DB had the lowest absorption rate in the sector with only 55% of the budget spent. Vote Function Expenditure Performance The crop Vote function absorped 63.2% of the releases spent. However MAAIF noted that Overlapping roles and responsibilities between MAAIF and MWE on water provision in general and water for production is constraining operations in water for production in MAAIF. Also noted were inadequate resources and manpower both at MAAIF headquarters and in the District Production Departments to undertake robust designs and infrastructure construction for irrigation. Animal vote function has unspent balances of UGX 3.12bn, the reason given by MAAIF for the zero physical performance on the out put of Construction of livestock infrastructure is the delay in approval of the new Regional Pastoral Livelihoods Resilience Project (RPLRP) which has a component on livestock infrastructure. It was also reported that there are inadequate financial resources to undertake periodic full vaccination exercises in the FMD risky areas. To do this MAAIF would require an annual budget of UGX 12 billion for vaccines as compared to the current allocation of UGX 2.5 billion. It was noted that the activities of fast tracking the procurements (contractual obligations) that were rolled over from FY 2012/13 were delayed by the revalidation of procurement requirements under the PPDA. Under the Policy and Planning Vote function, the need to harmonize M&E indicators with the new policy developments in the sector was noted. i.e the ATAAS; Non-ATAAS and the Commodity Approach Strategy. Over all the agriculture sector Vote Functions had good absorption rates with the lowest being 55% of the releases spent by National Animal Genetic Resources and Data Bank. 21

22 Semi-Annual Budget Performance Report Financial Year 2013/14 Executive Summary Trends in Service Delivery and Output classification The Sector demonstrated strong absorption in both service delivery outputs and non service delivery outputs with 82.1% and 90.1% respectively (see Annex A1.2). The analysis of expenditure trends by output class shows that the sector had good performance for classifications Grants and Subsidies and consumption expenditure with an absorption rate of 100% and 84.1% respectively. However the absorption for the Investment classification was only at 50%. Outputs and Line item trends At output level, highest expenditure was recorded under Purchase of specialised machinery and equipment under CDO, provision of cotton planting seedling and farmer mobilisationand sensitization for increasing cotton production and quality absorbing 117%, 100% and 95.5% respectively. At item level, Medical and Agricultural supplies had the highest unspent balance at UGX 2.59bn, followed by consultancy services short term UGX 1.46 then travel inland at UGX 0.530bn, and other fixed assets (depreciation) at UGX 0.52 Physical Performance Crops Vote Function Under the crop Vote Function, with 83.2% of the budget released and 86.1% of the releases spent, key tangible out puts realized included; 13500MT tonnes of seed certified out of the planned 8000MT. With regard to water for production, 24 valley dams with a total of capacity of 93,000 cubic meters of water were dug (constructed) in Lwengo, Nakasongola Wakiso, Bugiri, Mbarara and Isingiro. Additionally, the Installation of 4 small scale irrigation and water harvesting sites were completed in Nebbi, Maracha, Bulisa, Rubirizi and 3 other sites in Katakwi. Serere and Namutumba are ongoing. 6 technical backstopping visits on Water for Agriculture Production, Irrigation, mechanizations, SLM and farm planning activities were undertaken in the districts of Iganga, Kaliro, Butaleja, Kamuli, Soroti, Kween, Bugiri. The quality of cocoa beans for export in 3 ware houses in Bundibugyo and 3 in Kampala were monitored and validated in addtion to a total of 13,800 MT for export inspected. Through the promotion of oil palm growing , smallholder oil palm farmers harvested 2,533,944 kgs (2,534 tons) of fresh fruit bunches (ffb) valued at Ushs. 933,530,050(US$359,050). The total fresh fruit bunches (ffb) harvested by smallholder oil palm farmers between January 2010 and September 2013 was recorded at 20,134,387 kgs (20,134 tons) valued at Ushs. 8,087,093,642 (US$ 3,110,121). 105,000 oil palm seedlings were planted in the nursery at OPUL in Kalangala. 107 hectares of oil palm were planted by smallholder farmers on Bugala Island. The Total area planted by smallholders in Kalangala is now 3,863 hectares 22

23 Semi-Annual Budget Performance Report Financial Year 2013/14 Executive Summary On control of BBW, 62 BBW affected districts were technically back stopped on Development of BBW Control Bye Laws and provided the Bye Law Formats. Addiotnally,UGX 1.9 billion was disbursed to 41 Districts and they embarked on mobilization and training on BBW Control. On promoting food nutrition, Food and Nutrition Surveillance was carried out in all the 4 regions of Uganda (Central, Western, Northern and Eastern). A total of 1,003,685 tea seedlings were procured and distributed to Veterans of the Luwero Triangle Civilian Veterans Pilot Project in Buhweju District (Buhweju Zone). Additionally, 500,000 tea plantlets were procured under a framework contract for distribution to farmers in Kabale/Kigezi sub region. In an effort to increase value addition of priority commodities, it was reported that primary processing and value addition promotion activities for priority crop commodities was supported, supervised and monitored in Central Uganda. Construction of a Fish handling facility and Mukene drying as well as storage facilities at Sebagolo landing site in Hoima and and Kibuye landing site in Nakasongola district began. Equipment for 4 Fish aquaculture laboratories at Kajjansi, Mbale, Busheny were Gulu purchased. Under fisheries regulation, there was procurement of 11,650 Fishing boat Identification marks (VIPs), Inspection and auditing of the 16 fish processing plants and of finished products for exports as well as 23

24 Semi-Annual Budget Performance Report Financial Year 2013/14 Executive Summary inspection of gazette landing sites for hygienic and sanitary compliance ongoing. The procurement of 3 search patrol boats with 3 outboard engines ongoing, inspection and auditing of the sixteen fish processing plants in Uganda was undertaken as well as the inspection of all the gazette landing sites for hygienic and sanitary compliance. Additonally, the upgrade and completion of hatchery units at SCAPA fish farm in Kamuli started with initiation of procurement for rehabilitation of ponds and reconstruction of more ponds and an operational framework (MoU and enforcement strategy) for the Agricultural Police was developed and operational equipment is being procured Regarding animal pest and disease control, 4,600 deltamethrin treated tsetse traps were deployed, 14,098 head of cattle were treated with pouron insecticide. 3,000 insecticide treated tiny targets were deployed, 158,400 cattle were vaccinated against FMD. 385,700 doses of CBPP and 638,800 doses of PPR were supplied. Addtionally, outbreaks of African Swine Fever, Contagious Bovine Pleuropneumonia (CBPP), Foot and Mouth Disease (FMD) , Avian Influenza, Rift Valley Fever (RVF), and animal trypanosomiasis in 36 districts were investigated. Also undertaken was Bovine brucellosis surveillance in Kween, Kapchorwa, Amudat, Nakapiripirit, Bulambuli, Sironko, Alebtong and Otuke districts, surveillance for tick-borne diseases in Tororo, Busia, Bugiri Gomba, Mpigi, Butambala Ibanda, Kiruhura, Kamwenge, Adjumani, Koboko and Moyo districts and risk-based surveillance for Rift Valley Fever in Kween. Outstanding obligations for valley dam construction in the livestock sub sector (Rwenjubu, Makukulu, Kibanda, Dyangoma and Kasejjere) partly paid. Funds paid for "Operation Save the Nile Perch" paid to East African Community to reverse the declining trend of the NilePerch species stocks as agreed in the Council of Ministers Meeting in 2009. Progress on key performance indictors in the Animal vote function; Indicator FY Actual 2013/14 Target Output : Improved access to water for livestock Number of fish breeding areas identified, marked and gazzetted 70 25 Output : Promotion of sustainable fisheries No. of aquaculture enterprises established 5000 600 Out put:Vector and disease control measures No. of districts where surveillance for animal disease has been under taken 45 39 No. doses of FMD, CBPP, rabies and ECF vaccines procured 3,000,000 571,000 No. of districts in which livestock marketing infrastructure operational 80 42 guidelines and standard operating procedures have been disseminated Output Livestock Infrastructure Construction No. of Quarantine Posts established 5 0 Fisheries Infrastructure Construction 7 0 No. of fish landing sites constructed 7 0 24

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Edge Index by Product Family Clocks Counters/Timers Electronic Organ Circuits . TV C'ircuits Analog to Digital (A/D) Converters Communications/CB Radio- ~ircuits Watches Calculators Controller Oriented Processor Systems (COPS) III g BJI D GIl a fJI g g Keyboard Encoder Circuits .ID) Interface Drivers iii Displays If) Clock Modules m Custom MaS/LSI III Table of Contents Edge Index by Product Family, , , , , , , , , , , , , , , .,' , , , , , , , , , , , , , " , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Alpha-Numerical Index, , , , _ , , , , , , , , , , , , , , , , , _ , , , , , , , _ , , , , , , _ , , , , . , , , , , , , , , . , , , , , , , :. ' , , , 1 6 CLOCKS - SECTION 1 MM5309 Digital Clock, , , , . , , , , , , , , . , , , .. , , , , . , , , , , , , , , , , MM5311 Digital Clock, , , , , , , , , , , , , . , , , , , , , , , , , , , , , , , , , , , MM5312 Digital Clock. , , , " , , , , , , , , , , , , , , , , , , , , , , , , , , , , , MM5313 Digital Clock, , , , . , . , , , , , , , , , , , , , , , , , , . , , , .. , , , , MM5314 Digital Clock, , , , . , , , , , '.' , , , , , , , , , , , , , , , " , , , , , , MM5315 Digital Clock, , , , ., , , , " , , , , " , , , , , , , , , , " , , , , , , MM5316 Digital Alarm Clock, , , , , , , , , , , , , , , , , . , , , , , , , , , , , , MM5318 TV Digital Clock, . , , , , , , , , , , , , , , , , , , , , , , , . , , , , , , MM5370 Digital Alarm Clock, , , , , , , , , , , , , , , , , , , , . , , , . , , , , , MM5371 Digital Alarm Clock. , , , , , . , , , , , , , , , , , , , , , , , . : , , , , MM5375XX Series Clocks, , , , , , , , " , , , , , , , , , , , , , , , , , , , , , , , , MM5376XX Series Clocks, , , , , , , , , , , , , , , , , , , , , , , , . , , , , , , , , MM5377 Auto Clock, ,', , . , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , MM5378 Auto Clock, , , , , , , , , , , • ' . , , , , , , , , , , , , , , , , , , , . , , MM5379 Auto Clock, , , , , , .. , , , , , .. , , , , , , , , , . , , , , , , , , , , , MM5382 Digital Calendar Clock Radio Circuit, . , , , , , , . , , , , , , , , . , MM5383 Digital Calendar Clock Radio Circuit, , , , , , , , , , , , , , , , , , , MM5384 LED Display Digital Clock Radio Circuit, , , , , , , , , , , , . '. , , MM5385 Digital Alarm Clock .. , , , , . , , , , , , . , , , , . , , , , , . , , , . , MM5386 Digital Alarm Clock , . , , , , . , , , , , , . , , , , , , , , , , , , , , ,", MM5387 AA Digital Alarm Clock, . , , , , , , , , , , , , , , , . , , , , , , , . , , MM5396 Digital Alarm Clock , , , , , , , , , , , , , , , , , , . , , , , , , , , , , , MM5397 Digital Alarm Clock , , , , , , , , , , , , , , , , , , . , , , , , , , , . , , MM5402 Digital Alarm Clock, , , , , , . , , , , , , , , , , , . , , , , , , , , .. , MM5405 Digital Alarm Clock, , , , , .. , , , , , . , , , , , , , , , , , , , , . , , MM53108 Digital Alarm Clock, , , , , , , , , , , , , , , , , , , , , , , , , , , .. , AI'J-143 Using National Clock Integrated Circuits in Timer Applications , , , . , , , , , . , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,, , , , . , , , ," , , , , ,. ,, , , ,, , , , '.' , , , , ,, . , , , , , , ,, , ,, , , , , , , , , , , ,. , , , , . , , " , , , , , " , , , , , , , , , , , , , , , , , , , , , , , , , , ,, , , •, , , , , , , , , , , , , , , , , , . , , , , , , , , , , , , , , , , , , , , , , . , , , ,', , , , , . , , , , , , , , , , , , , , , ,, ,, ,, , , , , , , , , , , , , , , , , , , , . , , , , , , , , , , , , , : , , .. , , , , , , , , , , , , , , , , , , , , ,. , , , , , , , , , , , , , , .: , , , , . , , , ' , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , " , , , , , , , , , , , . , , , , , , , , , , , , , , , , , . , , , , , " , , , , , , , , , , , , ,, , , , , ,, , , , , , , ,. , , ,, , , , , , , ,, , , ,', , , , , , . , , , , , , , , , , . , . , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,', , , , . , , , , , , , , , . , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,, , , , , . , , , , " , , , , , , , , ,, , , , , , , ,, , , , , , , , , , , , , , , ,, , . .. , , , , , , , , . , , , , , , , , , , , , . , , , . , , , , , , , , , , , , , , , , , , , , , . , , , , , , , , , , , , , , , , , , , , , , . . , , , , , , , , , , , , , , , , , , , , , , , , , , , . , , , , , , , , , , , , , . . , , , .. . , . , , , , , , , , , . , , , , , , , . , . . , , , , , , , , , , , , , , , , " , , , . , , , . . , , . . , , , . , ,. , . , . .. , . , . , , , " , . , , . , , , . , . . , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,, , , , , , , ,, , , ,, , , '.' , , , , , ,, , , , : " , , " , , " ,, " , , ,. , ," , , " , , ,. ,, " , , " , , " , , " ,, " ,, " ,, " , , " , , " , , ., 1-2· 1-2 1-2 1-2 1-2 1-2 1-9 4-2 1-14 1-14 1·21 1·27 1-33 1-38 1-38 1-43 1-43 1-50 1-56 1-56 1·62 1·56 1-56 1-68 1-68 1-62 , , , , , , , , , , , , 2-2 2-7 2-10 2-20 2-23 2-33 COUNTERS/TIMERS - SECTION 2 MM5307 Baud Rate Generator/Programmable Divider, MM5369 17-Stage Programmable Oscillator/Divider, , , MM5865 Universal Timer, , , , .. , , , , , , , , , , , , , , MM53107 17-Stage Oscillator/Divider, , , , . , , , , , , , AN-168 MM5865 Universal Timer Applications, , , , , , AN-169 A 4·Digit, 7-Function Stopwatch/Timer, , , , , , , , , , . , , ,, , , . , ," ,. , , , , , , , , , , , , , , , , . , , , . . , , , , , , , , " , , , , , , . , , , , .. , , ,, . , ,. ,. , , , , , , , , , , , , , , , , . , .. ,, . , . , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , . , , , , , , , , , , " , , ,, , , , , , , , , , , , , , , , , , , . , , . . . , , , , , , , , , , , , , , , , , , , , , , . , .. , . . , , , . , , , , , , , , , , , , , , , , . , , . , , , , , , , , , , , , , ,, , , , , . , " , , . , , , , , , , , , . . , . , , , , , , , , , , " , , , , , , . , . , , . , , , , , , , , , , , , " " " " ELECTHONIC ORGAN CIRCUITS - SECTION 3 MM5554 MM5555 MM5556 MM5559 MM5823 MM5824 Frequency Divider, , , , , , , . , . Chromatic Frequency Generator, Chromatic Frequency Generator, Serial-to-Parallel Converter, , , , , Frequency Divider, , . , , , , , , , Frequency Divider, , , . , , , , , , , , , , , , . . , . , , , , , , , , , , , , , , , , , , , , , , , , , , , , . , , , , . .. .. , , , , , , . , . , .. , , , , . , 2 , , , , , , , , , , , , ,_ , , .. , , , , , , , .. ,, , , , , , , , , , , , , ,' 3-2 3-4 3-4 3·6 3-8 3-8 ELECTRONIC ORGAN CIRCUITS - SECTION 3 (Continued) MMs832 MM5833 MM5837 MM5871 MM5891 Chromatic F=requency Generator .............. ~ . . . . . . . . Chromatic Frequency qenerator . . . . . . . . . . . . . . . . . . . . . . . Digital Noise Source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rhythm Pattern Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . MOS Top Octane Frequency Generator. . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. .. 3·11 3-11 3-14 3-16 3-19 TV CIRCUITS - SECTION 4 LM1889* TV Video Modulator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . MM5318 TV Digital Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5320 TV Camera Sync Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • MM5321 TV Camera Sync Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5322 Color Bar Generator Chip ........ :. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5840 TV Channel Number (16 Channels) and Time Display Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5841 TV Channel Number and Time Readout Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM53100 TV Game Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM531 04 * TV Game Clock Generator. . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM53105 Programmable TV Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM57100* TV Game Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM58106 Digital Clock and TV Display Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ',' . . .. . . . . .. 4-48 . . 4-2 .. 4-6 .. 4-12 .. 4-18 .. 4-23 .. 4-28 .. ,4-32 .. 4-50 .. 4-32 .. 4-37 .. 4-53 . . . . . . . . . . . . .. .. .. .. 5-2 5·23 5-30 5-36 5-44 MM5303 Universal Fully Asynchronous Receiver/Transmitter . . . . . . . . . . . . . . . . . . '. . . . . . . . . . . . . . . . . . . . MM5393 Push Button Telephone Dialer. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . MM5395 TOUCH-TONE® Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM55104 PLL Frequency Synthesizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM55106' PLL Frequency Synthesizer. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM55108 PLL Frequency Synthesizer with Receive/Transmit Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM55110 PLL Frequency Synthesizer with Receive/Transmit Mode. . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . MM55114 PLL Frequency Synthesizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM55116 PLL Frequency Synthesizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " .. .. .. .. .. .. 6-2 6-8 6-11 6-16 6-16 6-20 6-20 6-16 6-16 . . . . .. . . .. .. .. .. .. .. .. .. .. .. 7-2 7-6 7-12 7-6 7-13 7-13 7-12 7-20 7-12 7-27 7-32 7-40 7-40 7-40 ANALOG TO DIGITAL (A/D) CONVERTERS - SECTION 5 LF13300 Integrating A/D Analog Building Block . . . . . . . . . . . . . . . . . . . . . . ; . . . . . . . MM53304 1/2-Digit Panel Meter Logic Block. . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . MM5863 12-Bit Binary A/D Building Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . '. AN-155 Digital Voltmeters and the MM5330 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AN-156 Specifying A/D and 0/ A Converters . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . COMMLiNICATIONS/C.B. RADIO CIRCUITS - SECTION 6 WATCHES - SECTION 7 MM5B29 LED Watch Circuit ........ : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5860 LED Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM587'9 RC Circuit ... , . . . . . . . . . . . . . .'. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM'5880 LED Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5885 Direct Drive LED Watch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5886 Direct Drive LED Watch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . •. . . . . . . . . . . . . . . . . MM5889 RC Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5890 LCD Chronograph Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5899 BC Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM58104 Direct Drive LED Watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . '. MM58115 Digitally Tuned, Direct Drive, 6-Function LED Watch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM58117 LCD Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM581'18 LCD Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM58119 LCD Watch Circuit. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . *TV Game Kit #SK 1115 includes this circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . TOUCH-TONE® is a Registered Trademark of Bell Telephone 3 WATCHES - SECTION 7 (Continued) MM58120 MM58127 MM58128 MM58129 MM58130 MM58601 MM58801 LCD Watch Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : LCD Watch Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .'. . . . . . . . . . LCD Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. LCD Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LCD Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Two Time Zone LED Watch Circuit. _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .. Two Time Zone LED Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . .. .. .. .. .. . . . . 7-40 7·47 7·47 7-47 7-47. 7-6 7-6 CALCULATORS - SECTION 8 MM5734 8-Function, Accumulating Memory Calculator ... , . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . MM5737 8-Digit, 4-Function, Floating Decimal Point Calculator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . MM5758 Scientific Calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " . . .. MM5760 Slide Rule Calculator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5762 Financial Calculator. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5763 Statistical Calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " ...... " . . . . . . . . . . . .. . . . . . . . . . .. MM5764 Conversion Calculator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5765 Calculator Programmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . ',' . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5766 Calculator Programmer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. . . . . . .. MM5767 Slide Rule Calculator. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5777 6-Digit, 4-Function, Floating Decimal Point Calculator. . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5780 Educational Toy Calculator. . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5791 7-Function, Accumulating Memory Calculator .... .'. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5794 7-Function, Accumulating Memory, Vacuum Fluorescent Display Calculator . . . . . . . . . . . . . . . . . . . . . . . . MM5795 7-Function, Accumulating Memory, Vacuum Fluorescent Display Calculator . . . . . . . . . . . . . . . . . . . . . . .'. MM57103 Scientific Calculator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM57104 Scientific Calculator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ~ ....... MM57123 Financial Calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM57135 Scientific Calculator ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . .-. . . . . . . . . . . . . . . . . . . . . . . . . . .. MM57136 RPN Scientific Calculator Control ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .'. AN-112 Calculator Chip Makes a Counter . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . • . . . . . . .. AN-119 Calculator Learns to KeepTime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. AN-149 Handheld Calculator Battery Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " ..... AN-176 Using Standard National Calculators in Industrial and Microprocessor Applications . . . . . . . . . . . . . . . . . . . . 8-2 8-8 8-14 8-26 8-35 8-46 8-56 8-66 8-76 8-80 8-84 8-90 8-96 8-105 8-114 8-123 8-132 8-141 8-153 8-157 8-163 8-169 8-177 8-181 CONTROLLER ORIENTED PROCESSOR SYSTEMS (COPS) - SECTION 9 National's Controller Oriented Processor Systems . . . . . . . . . . . . . . . '. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5781 Controller Oriented Processor System ..... ',' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . MM5782 Controller Oriented Processor System . . . . . . . . . . . . . . . . . . . . .' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5785 RAM Interface Chip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . ',' MM5788 Printer Interf~ce Chip . . . . . . . . . . . . . . . . . . . . ',' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5799 Controller Orrented Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " .. ' .... . MM57109 Number Processing Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , .•......... MM57126 COPS Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM57140 Controller Oriented Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2 9-3 9-3 9-15 9-21 9-27 9-39 9-40 9-46 KEYBOARD ENCODER CIRCUITS -SECTION 10 MM5740 90-Key Keyboard Encoder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. MM5745 78-Key Keyboard Encoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , MM5746 78-Key Keyboard Encoder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM54C922/MM74C922 16-Key Encoder . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM54C923/MM74C923 20-Key Encoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , ... ' .... AN-128 Microprocessor Mates with MOS/LSI Keyboard Encoder ...... , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AN-139 MOS Encoder Plus PROM Yield Quick Turnaround Keyboard Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 10-2 10-10 10·10 10-16 ,10-16 10-21 10-27 INTERFACE DRIVERS - SECTION 11 Display Driver Selection Guide . . . . . . . . . . . . . . . . . . . . . . . . . . '. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CD4511BM/CD4511BC BCD·to·7·Segment Latch/Decoder/Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS7664/DS8664 14·Digit Decoder/Driver with Low Battery Indicator . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . DS8665 14·Digit Decoder/Driver (Hi·Drive) . '.' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8666 14·Digit Decoder/Driver (P.O.S.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . DS8692 Printing Calculator I nterface Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8693 Printing Calculator Interface Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8694 Printing Calculator Interface Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8867 8·Segment Driver; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . DS8868 12·Digit Decoder/Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8871 Saturating LED Cathode Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8872 Saturating LED Cathode Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8873 Saturating LED Cathode Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8874 9·Digit Shift Input LED Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8877 6·Digit LEO Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8892 Programmable Hex LED Digit Driver'. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS8977 Saturating LED Cathode Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DS75491 MOS·to·LED Quad Segment Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " . . . . . . . . . . . . . . . . . . DS75492 MOS·to·LED Hex Digit Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .' . . . . . . . . . . . . . . . . . . DS75493 Quad LED Segment Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM54C48/MM74C48 BCD·to·7·Segment Decoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM54C915/MM74C915 7·Segment·to·BCD Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11·2 11·4 11·9 11·12 11·15 11·18 11·18 11·18 11·25 11·27 11·29 11·29 11·29 11·31 11·33 11·35 11·29 11·37 11·37 11·40 11-42 11·46 NSA 1100 Series 0.100 Inch 9·Digit LED Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. NSA 12980.110 Inch 9·Digit LED Display. . . . . .. .. . . . . .. . . . . . . . . . . . . . .. . . . .. . . .. . . . . . . . . . . . .. NSA 51201/8 Inch 12·Digit LED Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. NSA 51401/8 Inch 14·Digit LED Display . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . NSB 59170.5 Inch 5·Digit Numeric Display . . . . . . . . . . .' . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . _ .. NSB 59210.5 Inch 5··DigitNumeric Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .' NSB 59220.5 Inch 5·bigit Numeric Display . . . . . . . . . . '.. '. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Multi·Digit LED Numeric Series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. AN·170 Mounting Techniques for Multidigit LED Numeric Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 12·2 12·6 12·8 12·10 12·12 12·12 12·12 12· 14 12·22 DISPLAYS - SECTION 12 CLOCK MODULES - SECTION 13 MA 1002 MA1003 MA 1010 MA1012 MA1013 LED Display Digital Electronic Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. '13·2 12 VDC Automotive/Instrument Clock Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 13·8 LED Display Digital Electronic Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13·11 LED Display Digital Electronic Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13·17 LED Display Digital Electronic Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13·23 CUSTOM MOS/LSI - SECTION 14 Custom MaS at National . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 14·2 ORDERING INFORMATION/PHYSICAL DIMENSIONS Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Physical Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Definition of Terms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. A·1 A·2 ,A·8 Manufactured under one or more of the following U.S. patents: 3083262, 3189758, 3231797, 3303356, 3317671, 3323071. 3381071, 3408542, 3421025, 3426423, 3440498, 3518750,3519897, 3557431, 3560765, 3566218,3571630,3575609,3579059,3593069, 3597640,3607469, 3617859, 3631312, 3633052, 3638131, 3648071, 3651565, 3693248. National does not assume any responsibility for use of any circuitry described; no circuit patent licenses are implied; and National reserves the right, at any time without notice, to change said circuitry. 5 Alpha-Numerical Index CD4511 BC BCP-to~ 7 -Segment Latch/Decoder/Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4 CD4511 BM BCD-to-7-Segment Latch/Decoder/Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4 DS7664 14-Digit Decoder/Driver with Low Battery Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .' .... . 11-9 DS8664 14-Digit Decoder/Driver with Low Battery Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-9 DS8665 14-Digit Decoder/Driver (Hi-Drive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12 DS8666 14-Digit Decoder/Driver (P.O.S.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15 DS8692 Printing Calculator Interface Set. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ; . . . . . . . . . . . . 11-18 DS8693 Printing Calculator Interface Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-18 DS8694 Printing Calculator Interface Set. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ' ........ . 11-18 DS8867 8-Segment Driver .. ~ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ' ...... .' .. 11-25 DS8868 12-Digit Decoder/Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " .......... . 11-27 DS8871 Saturating LED Cathode Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-29 DS8872 Saturating LED Cathode Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . '. . . . . . . . . . . . . . . . . . . . . . . . 11-29 DS8873 Saturating LED Cathode Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-29 DS8874 9-Digit Shift Input LED Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-31 DS8877 6-Digit LED Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , ......... . 11-33 DS8892 Programmable Hex LED Digit Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .' .. . 11-35 DS8977 Saturating LED Cathode Driver . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-29 DS75491 MOS-to-LED Quad Segment Driver . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-37 DS75492 MOS-to-LED Hex Digit Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-37 DS75493 Quad LED Segment Driver. . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-40 5-2 LF13300 Integrating AID Analog Building Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LM1889 TV Video Modulator . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-48 MA 1002 LED Display Digital Electronic Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2 MA1003 12 VDC Automotive/Instrument Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-8 MA1010 LED Display Digital Electronic Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-11 MA 1012 LED Display Digital Electronic Clock Module ...... " . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-17 MA1013 LED Display Digital Electronic Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-23 6-2 MM5303 Universal Fully Asynchronous Receiver/Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ' .... . MM5307 Baud Rate Generator/Programmable Divider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . , 2-2 ,1-2 MM5309 Digital Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . " . . . . . . . . . . . . . . . . . 1-2 MM5311 Digital Clock . . . . . . . . . . .'., . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 MM5312 Digital Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 MM5313 Digital Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 MM5314 Digital Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 MM5315 Digital Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . ; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 MM5316 Digital Alarm Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " . . . . . . . . . . . . 4-2 MM5318 TV Digital Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5320 TV Camera Sync Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , 4-6 MM5321 TV Camera Sync Generator . . . . . . . . . . . . . . . . . . ' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12 MM5322 Color Bar Generator Chip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 MM53304 1/2-Digit Panel Meter Logic Block . . . . . . . . . . . . . . . . . . . . . . . . . . '. . . . . . . . . . . . . . . . . . . . . . . . . 5-23 2-7 MM5369 17-Stage Programmable Oscillator/Divider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5370 Digital Alarm Clock' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .' .... . 1-14 MM5371 Digital Alarm Clock ........ " . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14 MM5375XX Series Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21 MM5376XX Series Clocks .... ;' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . 1-27 MM5377 Auto Clock . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33 MM5378 Auto Clock . . . . . . . . . . . . . . . . . . . . . . ' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-38 MM5379 Auto Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .' ... . 1-38 MM5382 Digital Calendar Clock Radio Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-43 6 MM5383 Digital Calendar Clock Radio Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5384 LED Display Digital Clock Radio Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5385 Digital Alarm Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5386 Digital Alarm Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . '. . . . . . . . . . . . . . . . . . . . . . . MM5387 AA Digital Alarm Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5393 Push Button Telephone Dialer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ~ . . . . . . . . . . . . . . . . . . . . MM5395 TOUCH·TONE@ Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ' . . . . . . . . . . . . . . MM5396 D(,gital Alarm Clock MM5397 Digital Alarm Clock MM5402 Digital Alarm Clock MM5405 Digital Alarm Clock MM5554 Frequency Divider. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5555 Chromatic Frequency Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ; . . MM5556 Chromatic Frequency Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5559 Serial·to·Paraliel Converter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5734 8·Function, Accumulating Memory Calculator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5737 8·Digit, 4·Function, Floating Decimal Point Calculator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5740 90·Key Keyboard Encoder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5745 78·Key Keyboard Encoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5746 78·Key Keyboard Encoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5758 Scientific Calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ",' . . . . . . . . . . . . . . .. MM5760 Slide Rule Calculator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5762 Financial Calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5763 Statistical Calculator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5764 Conversion Calculator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5765 Calculator Programmer .. '. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5766 Calculator Programmer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5767 Slide Rule Calculator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5777 6·Digit, 4·Function, Floating Decimal Point Calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .'. MM5780 Educational Toy Calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . .. MM5781 Controller Oriented Processor System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " . . . . . . . . . . . . . . . . . . . MM5782 Controller Oriented Processor System . . . . . . . . . . . . '. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5785 RAM Interface Chip. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .. MM5788 Printer Interface Chip. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. MM5791 7·Function, Accumulating Memory Calculator . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5794 7·Function, Accumulating Memory, Vacuum Fluorescent Display Calculator. . . . . . . . . . . . . . . . . . . . . . .. MM5795 7·Function, Accumulating Memory, Vacuum Fluorescent Display Calculator Circuit ..... , . . . . . . . . . . . . . MM5799 Controller Oriented Processor. . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5823 Frequency Divider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5824 Frequency Divider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . '. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5829 LED Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . • . . MM5832 Chromatic Frequency Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5833 Chromatic Frequency Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5837 Digital Noise Source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5840 TV Channel Number (16 Channels) and Time Display Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5841 TV Channel Number and Time Readout Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5860 LED Watch Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . '.' ...... , . . . . . . . . . . . . MM5863 12·Bit Binary AID Building Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5865 Universal Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5871 Rhythm Pattern Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5879 RC Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5880 LED Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM5885 Direct Drive LED Watch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5886 Direct Drive LED Watch. . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5889 RC Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5890 LCD Chronograph Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . .. MM5891 MOS Top Octane Frequency Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM5899 RC Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM53100 Programmable TV Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM53104 TV Game Clock Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. TOUCH·TONE@ is a Registered Trademark of Bell Telephone 7 1·43 1·50 1·56 1·56 1·62 . 6·8 6·11 1·56 1·56 1·68 1·68 3·2 3-4 3·4 3·6 8·2 8·8 10·2 10·10 10·10 8·14 8·26 8·35 8·46 8·56 8·66 8·76 8·80 8·84 8·90 9·3 9·3 9·15 9·21 8·96 8·105 8·114 9·27 3·8 3·8 7·2 3·11 3·11 3·14 4·23 4·28 7·6 5·30 2·10 3·16 7·12 7·6 7·13 7·13 7·12 7·20 3·19 7·12 4·32 4·50 MM53105 Programmable TV Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM53107 17-Stage Oscillator/Divider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . .. MM53108 Digital Alarm Clock . . . . . . . . . . . . . . . . . . ; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM54C48 BCD-to-7-Segment Decoder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM55104 PLL Frequency Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . MM55106 PLL Frequency Synthesizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM55108 PLL Frequency Synthesizer with Receive/Transmit Mode. . . . . • . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. MM55110 PLL Frequency Synthesizer with Receive/Transmit Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .' . .. MM55114 PLL Frequency Synthesizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM55116 PLL Frequency Synthesizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM57100 TV Game Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM57103 Scientific Calculator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM57104 Scientific Calculator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ~ . . . . . . . . . . . . . . . . . . . . . . . . MM57109 Number Processing Unit. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... MM57123 Financial Calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ',' . . . . . . . . . . . . . MM57126 COPS Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM57135 Scientific Calculator ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . ~ . _ .. MM57136 RPN Scientific Calculator Control ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM57140 Controller Oriented Processor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM58104 Direct Drive LED Watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , MM58106 Digital Clock and TV Display Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM58115 Digitally Tuned, Direct Drive, 6-Function LED Watch . . . . . . . . . . . . . . .'. . . . . . . . . . . . . . . . . . . . . .. MM58117 LCD Watch Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ; . . . . . . .. MM58118 LCD Watch Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . " . . . . . . . . . . . . . _ . . . . . . . . . . . . . . .. . .. MM58119 LCD Watch Circuit ...... ',' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ; . . .. . . . . . . . . . .. MM58120 LCD Watch Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . ; . . . . . . . . . . . . . . . . . . '. . . . . . . . ... . . . .. MM58127 LCD Watch Circuit . . . . . . . . . . . . . . . . . . . . .' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : . . . .. MM58128 LCD Watch Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . ',' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ; . .. MM58129 LCD Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM58130 LCD Watch Circuit ...... : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM58601 Two Time Zone LED Watch Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM58801 Two Time Zone LED Watch Circuit. , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .' . . . . MM74C48 BCD-to-7-Segment Decoder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. MM54C915 7-Segment-to-BCD Converter . . . . . . . . . . . . . . . . '. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .' . . . . . . . . . . . . MM54C922 16-Key Encoder ..... . MM54C923 20-Key Encoder . . . . . . . . . . . . ; . '. . . . . . . . . . . . . . . . . . . . .' . . . . . . . . . . . . . . . . . . . . ',' ..... MM74C915 7-SegmenHo-BCD Converter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .. MM74C922 16-Key Encoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MM74C923 20-Key Encoder . . . . . . . . . . . . . ; .......... ',' . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . .. NSA 1100 Series,O.100 Inch 9-Digit LED Display ..... " ........ " ........ '- . . . . . . . . . . . . . . . . . . " .. NSA 12980.110 Inch 9-Digit LED Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. NSA 51201/8 Inch 12-Digit LED Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. NSA 51401/8 Inch 14-Digit LED Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ;' . . . . . . . . . . . . . . . . . . . ;. NSB 5917 0.5 Inch 5-Digit Numeric Display .. ; .. ; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NSB 59210.5 Inch 5-Digit Numeric Display ... ; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NSB 5922 0.5 Inch 5-Digit Numeric Display . . . . . . . . . . . . . . '.... ; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NSN Series Multi-Digit LED Numeric Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _ ...... 8 4-32 2-20 1-62 11-42 , 6-16 6-16 6-20 6-20 6-16 6-16 4-37 8-123 8-132 9-39 8-141 9-40 8-153 8-157 9-46 7-27 4-53 7-32 7-40 7-40 7-40 7-40 7-47 7-47 7-47 7-47 7-6 7-6 11-42 11-46 10-16 10-16 11-46 10-16 10-16 12-2 12-6 12-8 12-10 12-12 12-12 12-12 12-14, Clocks For additional application information, see AN-143 at the end of this section. MM5309, MM5311, MM5312, MM5313, MM5314, MM5315 digital clocks general description These digital clocks are monolithic MOS integrated circuits utilizing P-channel low-threshold, enhancement mode and ion implanted. depletion mode devices. The devices provide all the logic required to build several types of clocks. Two display modes (4 or 6-digits) facilitate end-product designs of varied. sophistication. The circuits interface to LED and gas discharge displays with minimal additional components, and require only a single power supply. The timekeeping function operates from either a 50 or 60 Hz input, and the display format may be either 12 hours (with leading-zero blanking) or 24 hours. Outputs consist of multiplexed display drives (BCD and 7-segment) and digit enables. The devices operate over a power supply range of 11 V to 19V and 00 not require a regulated supply. These clocks are packaged in dual-in-line packages. • Leading-zero blanking (12-hour format) • 7-segment outputs • Single power supply • Fast and slow set controls • Internal multiplex oscillator • For features of individual clocks, see Table I applications • Desk clocks features • Automobile clocks • 50 or 60 Hz operation • Industrial clocks • 12 or 24-hour displayformat • Interval Timers TABLEI. FEATURES MM5309 MM5311 MM5312 MM5313 BCD Outputs X X X X 4/6-Digit Display Mode X X X X X X X X X Hold Count Control 1 Hz Output X Output Enable Control X Reset X connection diagrams MM5315 X X X X X (Dual-In-Line Packages) Voti....! Rlil..l ~~~T~~~~~~~ ffii4..1 ~OUTPUT ENABLE vo02 ~ 4/6 DIGIT SELECT MULTlPLEX~O{::~ ~ MUX TIMING INEG~~~VE~ { ROZ..! MM5309 c~ ~:110 ~Hl0 INEG~~~~~ ~MUXTIMING ~ Mlj BC1iZ..! DIGIT • ...! ~~~:~~S :..2 ~SS110 d"":: r- OUTPUTS • ..!.!! ~ 50160 Hz INPUT ,.!.! ~FASTS~T ~Ml0 ~Hl MM5311 c~ HI.' 0 ~SI d-" ~S10 • .!!l ~50160 Hz INPUT 50160 Hz SELECT .!!.FASTSET ..!.!.SLOWSET ~HOLO ..!.!L-_ _ _ _--I>1l vss TOPVIEW TOPVIEW Order Number MM5309N Order Number MM5311 N See Package 23 See Package 23 1-2 DIGIT ~~~:~~S OUTPUTS 12/24 HOUR SELECT.ll 50160 Hz SELECT .!!I..-_ _ _ _---Ifl!.vss ~ MULTIPLEXED lSEGMENT [ ,.11 g.E ~SLOWSET ~ RE·SET 12124 HOUR SELECT.ll ~ 4/6 DIGIT SELECr mil..1 MULTIPLEXED 1 SEGMENT g.E ,1! OUTPUT ENABLE BCD OUTPUTS ~Mlj mil[O:~ b..2 MM5314 absolute maximum ratings Voltage at Any Pin Operating Temperature Storage Temperature Lead Temperature (Soldering, 10 seconds) VSS + 0.3 to VSS -,20V -25°C to +70°C -65°C to +150°C 300°C electrical characteristics TA within operating range, VSS = llV to 19V, VDD CONDITIONS PARAMETER Power Supply Voltage VSS (VDD Power Supply Current VSS = 14V, TYP MIN = OV) = OV, unless otherwise specified. MAX 11 V 10 mA 60k Hz (No Output Loads) 50/60 Hz Input Frequency dc 50 or 60 UNITS 19 Logical High Level VSS-l Logical Low Level VDD Multiplex Frequency Determined by External R & C All Logic Inputs Driven by External Timebase Logical High Level Internal Depletion Device to VSS VSS V VDD VSS-l0 V 1.0 60 kHz 60 kHz VSS-l VSS VDD VDD VSS VSS-l0 0.100 VSS dc Logical Low Level V V BCD and 7-Segment Outputs Logical High Level Loaded 2 kS"t to VDD 2.0 Loaded 100 S"t to VSS 5.0 Logical Low Level 20 ' 0.01 mA .-- source mA source 0.3 mA source 25 mA sink Digital Enable Outputs Logical High Level Logical Low Level Connection diagrams (Continued) Dual-In-Line Packages (Top Views) roo...! (NEGATIVE TRUE)' li BCDB BCD 2 2. VDD...! ~VDD BCili.1 MULTIPLEXED BCD OUTPUTS (NEGATIVE TRUE) E. MUX TIMING ~., .o.! ~Ml0 b...l ,OO! MULTIPLEXED 7SEGMENT DUTPUTS } .!!. HI BCD • .J. ,..! .!!. 60/S0 Hz INPUT g.!!!. 50/S0 Hz SELECT MUL TlPLEXED 7SEGMENT DUTPUTS r VDD . MULTIPLEXED 7SEGMENT OUTPUTS ..!!FASTSET .!L SLOW SET .!!VSS ~·'I ,.l. p.!!. HI do!. r!! Hl0 ,..!. g.J. ~ 1 PPS OUTPUT ..1! so/so Hz INPUT ..;..;;. Order Number MM5313N See Package 23 VDO...!. MULTIPLEXED BCD OUTPUTS (NEGATIVE TRUE) DIGIT ENABLE OUTPUTS r!lS10 r!! 50/60 Hz INPUT .!E. 50/60 Hz SELECT ..!.!. rli FAST SET r!! SLOW SET VSS .!! ~HOLD {::::2 1!MUX TIMING 1!Mlj ' BCD 2..! BCD 1...1 1! Ml0 1! HI DIGIT 6 • ...::. 23 =Hl0 ENABLE OUTPUTS MULTIPLEXED:~ r!!SI 12124 HR SELECT l!4/S DIGIT SELECT ~2. ,!.!.Ml0 MM5314 . .!!. HDLD ~ MUX TIMING .2. BSI so/so Hz SELECT.!! ~ 4/6 DIGIT SELECT 3 DIGIT ENABLE OUTPUTS 11 S10 12124 HR SELECT.!l 2- b.!. MM5313 '9 d....;. 10 ..!lvSS 1.. . .- ~Hl .!l Hl0 .!! SLOW SET Order Number MM5312N See Package 22 OUTPUT ENABLE ~"'j ~M1D ,.!! g.E. . .!!FAST SET ..!.!. ..!l 42 b..1. :.J. l!.1 PPS OUTPUT 1! MUX TIMING BCD Z""! BCD 1...1 MM531Z .!!.Hl0 l!4/s DIGITSELECT r~ DIGIT ENABLE OUTPUTS d.2 12/24 HR SELECT UlUl ww ~~ UlN 50/60 Hz Input Voltage "m'""," BCD OUTPUTS ~~ ~~ MM5315 ~::O 7 SEGMENT d ....;. ~ 50/S0 Hz INPUT OUTPUTS • ..!.!! .!!. FAST SET ,.!! g.E. 12/24 HR SELECT .!l .!!.SLDWSET 50/60 Hz SELECT [ l!.HOLD .!!. RESET .!!L-._ _ _ _--.l.!!VSS Order Number MM5315N See Pac~age 23 Order Number MM5314N See Package 22 1-3 . II functional description A block diagram of the MM5309 digital clock is shown in Figure 1. MM5311, MM5312, MM5313, MM5314 and MM5315 clocks are bonding options of MM5309 clock. Table I shows the pin-outs for these clocks. 50 or 60 Hz Input: This input is applied to a Schmitt Trigger shaping circuit which provides approximately 5V of hysteresis and allows using a filtered sinewave input. A simple RC filter such as shown in Figure 10 should be used to remove possible line voltage transients that cauld either cause the clack to. gain time ar damage the device. The shaper output drives a caunter chain which perfarms the timekeeping functian. 50 or 60 Hz Select Input: This input pragrams the' prescale counter to. divide by either 50 ar 60 to. obtain a 1 Hz timebase. The caunter is programmed for 60 Hz operation by connecting this input to. VDD. An internal depletian device is comman to. this pin; simply leaving this input uncannected programs the clock far 50 Hz aperation. As shawn in Figure 1, the prescale co.unter provides both 1 Hz and 10Hz signals, which can be brought out as bonding aptions. which is driven by a multiplex oscillator. The ascillator and external timing companents set the frequency of the multiplexing functian iand, as controlled by the 4 ar 6-digit select input, the divider determines whether data will be output for 4 or 6 digits_ A zero-blanking circuit suppresses the zero. that would otherwise sometimes appear in the tens-of-hours display; blanking is effective only in the 12-hour format. The multiplexer addresses also become the display digit-enable outputs. The multiplexer outputs are applied to a decoder which is used to address a programmable (code converting) ROM. This'ROM generates the final output codes, i.e., BCD and 7-segment. The sequential output order is from digit 6 (unit seconds) through digit 1 (tens of hours). Multiplex Timing Input: The multiplex oscillator is shown in Figure 2. Adding an external resistor and capacitor to this circuit via the multiplex timing input (as shown in Figure 4a) produces a relaxation oscillator. The waveform at this input is a quasi-sawtooth that is squared by the shaping action of the Schmitt Trigger in Figure 2. Figure 3 provides guidelines for selecting the external components relative to desired multiplex frequency. Time Setting Inputs: Both fast and slow setting inputs, as well as a hald input, are provided. Internal depletion devices provide the narmal timekeeping function. Switching any af these inputs (one at a time) to VDD results in the desired time setting function. Figure 4 also illustrates two methods of synchronizing the multiplex oscillator- to an external timebase. The external RC timing components may be omitted and this input may be driven by an external timebase; the required logic levels are the same as 50 or 60 Hz input. The three gates in the counter chain (Figure 1) are used for setting time. During normal operatian; gate A connects the shaper output to a prescale counter (-;-50 or -;-60); gates Band C cascade the remaining counters. Gate A is used to inhibit the input to. the counters for the duration of slow, fast or hold time-setting input activity. Gate B is used to. connect the shaper output directly to a secands caunter (-;-60), the condition for slaw advance. Likewise, gate C connects the shaper output directly to. a minutes counter (-;-60) for fast advance_ Reset: Applying VDD to this input resets the counters to 0:00:00.00 in 12-hour format and 00:00:00.00 in 24-hour formats leaving the input unconnected (internal cmpletion pull-up) selects normal operation. Fast set then, advances hours infarmation at one hour per secand and slow set' advances minutes informatian at one minute per second. 12 or 24-Hour Select Input: This input is used to program the hours counter to. divide by either 12 ar 24, thereby providing the desired display format. The 12-hour display farmat is selected by cannecting this input to VDD; leaving the input uncannected (internal depletian device) selects the 24-hour format. Output MUltiplexer Operation: The seconds, minutes, and haurs counters continuously reflect the time of day. Outputs from each caunter' (indicative of bath units and tens of seconds, minutes, and hours) are timedivision multiplexed to provide digit-sequential access to the time data. Thus, instead af requiring 42 leads to intercannect a 6-digit clock and its display (7 segments per digit), ai/ly 13 output leads are required. The multiplexer is addressed by a multiplex divider decoder, 4 or 6-Digit Select Input: Like the other control inputs, this input is provided with an internal depletion pull-up device. With no input connection the clock outputs data for a 4-digit display. Applying VDD to this input provides a 6-digit display. ' Output Enable Input: With this pin unconnected the BCD and 7-segment outputs are enabled (via an internal depletion pull-up). Switching VDD to this input inhibits these outputs. (Not applicable to MM5312, MM5313, and MM5315 clacks.) Output Circuits: Figure 5a illustrates the circuit used for the BCD and 7-segment outputs. Figure 5b shows the digit enable output circuit. Figure 6 illustrates interfacing these outputs to standard and low power TTl. Figures 7 and 8 illustrate methods of interfacing these outputs to common anode and comman cathode LED displays, respectively. A method of interfacing these clocks to gas discharge display tubes is shown in Figure 9. When driving gas discharge displays which enclose more than one digit in a common gas envelope, it is necessary to inhibit the segment drive voltage(s) during inter-digit transitions. Figure 9 also illustrates a method of generating a voltage for application to the output enable input to accomplish the required interdigit blanking. functional description 5~~~~~;0- (Continued) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.... ~------------~IOHz HOLOo-------------------, ~~~--------~~IHz SLOW SET 0 - - - - - - - - - - " ' - - + - - - " " FAST SET o - - - - - - - - J - - + - - - + - - - - - - + - - , RESETo--------J--+---+---~._---;_-~~--~...-~~-_, VSSo---.} VDD C>---+ AS REC'D ~---------_o~~!~~~ MULTIPLEXED BCTi 0 UTPUTS 4/:E~I~~~ MULTIPLEXED 7-SEGMENT OUTPUTS 0---------_ L-_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _"'- DIGIT ENABLE MUL TlPLEX TIMING OUTPUT 1-----------------------------..,. . . OUTPUTS FIGURE 1. MM5309 Digital Clock Block Diagram VOO----~J_- 50/60 PPS OUTPUT OR X>.....- ... MULTIPLEX 50/60 Hz INPUT OR MULTIPLEX - - - - - - - ' TIMING COMPONENTS OSCILLATOR OUTPUT lOOk ~. .... r :I: VSS > z I I I I I I I I I~-----O< r11 I vss 10k ~-F:r. I K ~ >< ~ Ik .~ ::;: ~V~~ = OV R '2.2~~ 100 0.0001 0.001 C - CAPACITANCE 0.01 (~F) 0.1 WITH R = 220k I VSS L~I. ::> "A 1- _ _ ':""" _ _ ...1 ~ Dotted components added to shaping circuit to form multiplex oscillator *Effectively FIGURE 2.50/60 Hz Shaping Circuit/Multiplex Oscillator FIGURE 3. Multiplex Timing Component Selection Guide functional description (Continued) Vss MM5309 VOO FIGURE 4a. Relaxation Oscillator Vss Vss Cl C2 EXTERNAL ~ . TIME BASE MM5309 MM5309 . (INPUT OR OUTPUT) VOO VOO FIGURE 4b. External Time Base FIGURE 4c. External Clock Note. Free running frequency should be set to run slightly lower than system frequency over temperature. External time base may be inputor output. * R=100k. FIGURE 4. Synchronizing or Triggering Multiplex Oscillators vss . VSS ~vss .-f}--1 . vOO vss OIGIT ENABLE OUTPUT . _ 7-SEGMENT BCO OR lpPS OUTPUT (OPEN ORAIN) 600 VOO FIGURE 5a ' vOO FIGURE 5b FIGURE 5. Output Circuits '·6 functional description (Continue.d) MOS to Low Power TTL Interface MOS to TTL Interface VSS' 5V VSS ANY GATES VSS' 5V ANY TTL GATE VCC' 5V ss SS (11(11 ww MM5l09 ~~ (111\) VOO VOO = -12V For VSS = 5, VOO = 12, R = 10k For VSS = 5, VOO = -12, R = 7.5k Note. ~igit select will drive TTL directly when 5, -12 supplies are used. For VSS = 10 to 17V, VOO.= Gnd, R = 3k FIGURE 6. Interfacing TTL VSS--. . .----------tl~-- VSS--. . .---------~~-- VSS TYPICAL 1 - - - - - - - - 1 SEGMENT OUTPUT VSS TYPICAL 1 - - - - - - - - - 1 DIGIT ENABLE OUTPUT I '+\ ~~;~~~~ANOOE) MM5l09 TYPICAL LEO A J MM5l09 I SUCH AS NSN71L. OR EIlUIV. TYPICAL TYPICAL 2k SEGMENT I - - -......""~,....-t OUTPUT ....I"""L.. TYPICAL LEO SEGMENTS (COMMON·CATHOOE) SUCH ~S NSN74R. OR EIlUIV. EN~~~~ 1--.....,-.-------1 OUTPUT vOO ........ 5.1k VOO--~----------4~---- (Vss VOOI/2 VF 1.5V Vss - VOO VF 0.6V RL = - - - - - - - NOFI RL Where R L as in k.l1 And VF = forward drop of LED 0.6V "" voltage drop of transistors N = number of digits in display IF = required average LED current Where RL is in k.l1 And VF = forward drop of LED 0.9V .. voltage drop of transistors N = number of digits in display IF = required average LED current = -------NOFI *Transistors may be replaced by OM75491, OM75492, OM8861, OM8863 or equivalent segment/digit drivers. FIGURE 7. Interfacing Common Anode LED Displays FIGURE 8. Interfacing Common Cathode LED Displays 1·7 functional description (Continued) (OV) TYPICAL DIGIT ENABLE OUTPUT ~ TYPICAL SEGMENT MM5J09 TYPICAL SEGMENT OUTPUT MULTIPLEX TIMING INPUT OUTPUT ENABLE ..JI..... O.OOS (X7) J9k 4.7k VDD (-15V) MUL TIPLEX TIMING AND INTER·DIGIT BLANKING -JSV -12SV . FIGURE 9. Interface Panaplex 11* Neon Display Tube *TM of Burroughs Corp . OV lN914 lOOk AC IN 15 Vss 27 4/6 ---mICiUl 01 2S ANODE I 02 24 2NS086 (X4) OJ 2J 0422 • DRIVER I I OJ ONLY MMSJ09 . 14 28 26 6 b c 7 8 SEG d e f 9 9 10 11 12 II I" ,., 0.02 2DOV lOOk TvPiCAil CATHODE I DRIVER 2NJ9D4 J90 pF -lSV - - - . - -....- - . - - _ . - - -.... INTER·DIGIT BLANKING CIRCUIT lN914 I I I lN914 47k 22k -=)~ , -JSV--~------------------__- -....-~+------~----~-~---4---4~ -105V------------------------------~-----_4~-----~---~--- FIGURE 10. MM5309 Driving Gas Discharge Display. Typical Applications Clocks MM5316 digital alarm clock general description The MM5316 digital alarm clock is a monolithic MOS integrated circuit utilizing P-channel low-threshold, enhancement mode and ion-implanted depletion mode devices. It provides all the logic required to build several types of clocks and timers. Four display modes (time, seconds, alarm and sleep) are provided to optimize circuit utility_ The circuit interfaces directly with 7segment fluorescent tubes, and requires only a single power supply. The timekeeping function operates from either a 50 or 6'0 Hz input: and the display format may be either 12 hours (with leading-zero blanking and AM/PM indication) or 24 hours. Outputs consist of display drives, sleep (e.g., timed radio turn off). and alarm enable. Power failure indication is provided to inform the user that incorrect time is being displayed. Setting the time cancels this indication. The device operates over a power supply range of 8-29V and does not require a regulated supply. The MM5316 is packaged in a 40-lead dual-in-line package. 50 or 60 Hz operation' Single power supply • Low power dissipation (36 r[1W at 9V) • 12 or 24-hour display format AM/PM outputs } .-. 12-hour format Leadlng-zerQ blanking • 24-hour alarm setting • All counters are resettable • Fast and slow set controls • Power failure indication • Blanking/brightness control capability • Elimination of illegal time display at turn on • Direct interface to fluorescent tubes • • 9-minute snooze alarm Presettable 59-m inute sleep timer applications features • • • • • • Alarm clocks Desk clocks • Clock radios • Automobile clocks • • Stopwatches Industrial clocks • • Portable clocks Photography timers • Industrial timers • • Appliance timers Sequential controllers block and connection diagrams OUTPUT COMMON SOURCE 0---------------____---, 23 1212~E~~~~ o-:.;38~_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___. Dual-In-Line Package 40 AM OUTPUT PM OUT 10HRS- b&< HRS-I HRS -g 36 HRS -. 3& HRS- b AL~~~ +"'--_ __. ALARM OFF TO HRS DIGIT SNOOZE SLEEP OUT TO 10'S OF MINS DIGIT SLEEP DIS 0------------------+1 -+I ALA~~ O-,-31~_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ SECO~~ TOMINS DIGIT HRS-< SLOW SET IN HRS-. SECONDS DISPLAY IN 10MINS-I ALARM DISPLAY IN 10MINS-g SLEEP DISPLAY IN 10MINS-.&d 10MINS-b 10MINS-. MINS -I MINS-g MINS-b BLANKING 0-'-3;...1_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _+1 BLANKiNG DETECTOR INPUT 33 MINS-< SLOWSET~ ALARM OFF IN 16 25 11 24 18 23 19 22 20 21 TOP VIEW 34 FASTSET~ 28 Order Number MM5316N 29 See Package 24 VSS~ VOO~ FIGURE 1. FIGURE 2. 1·9 Hz SELECT FAST SET IN MINS-. 0-:;32:....,,-_ _ _ _ _ _ _ _ _ _ _ _ _ _ _-+1 ~0/60 50/60 Hz IN HRS - d 10MINS-< 16-22 BLANKING IN ALARM OUT SNOOZE IN OUT COMMON SOURCE MINS-< MINS-d absolute maximum ratings Voltage at Any Pin Operating Temperature Storage Temperature Lead Temperature (Soldering, 10 seconds) VSS + 0.3 to VSS - 30V -25°C to +70°C -65°C to +150°C 300°C electrical characte,'istics T A within operating range, VSS = 21 V to +29V, VOO = OV, PARAMETER Power Supply Voltage Power Supply Current unless otherwise specified. CONDITIONS VSS (VOO = OV) MIN TYP MAX 29 21 UNITS V No Output Loads VSS = 8V 4 mA VSS = 29V 5 mA Counter Operation Voltage 8 50/60 Hz Input Frequency Voltage dc Logical High Level VSS-l Logical Low Level VOO 50 or 60 VSS VOO 29 . V 10k Hz VSS V VOO+1 V Blanking Input Voltage Logical High Level VSS-1.5 VSS VSS V Logical Low Level VOO VOO VSS-4 V All Other Input Voltages Logical High Level Logical Low Level Internal Oepletion Oevice to VOO Power Failure Oetect Voltage (VSS Voltage) Output Currents, 1 Hz Oisplay VSS = 21V to 29V, VSS-l VSS VSS V VOO VOO VOO+2 V 20 V 10 Output Common = VSS Logical High Level VOH = VSS - 2V Logical Low Level, Leakage VOL=VOO 1500 J1A 1 J1A 10's of Hours (b & cl. 1 O's of Minutes (a & d) Logical High Level VOH = VSS - 2V Logical Low Level, Leakage VOL = VOO pA 1000· 1 pA All Other Display, Alarm and Sleep Outputs Logical High Level VOH = VSS '- 2V Logical Low Level, Leakage VOL = VDO pA 500 1 1·10 pA functional description A block diagram of the MM5316 digital alarm clock is shown in Figure 1. The various display modes provided by this clock are listed in Table I. The functions of the setting controls are listed in Table II. Figure 2 is a connection diagram. The following discussions are based o,n FiflUre 1. fluorescent tube displays, VSS or a display, brightness control voltage is permanently connected to this pin. Since the brightness of a fluorescent tube display is dependent on the anode (segment) Voltage, applying a variable voltage to pin 23 results in a display brightness control. This control is shown in Figure 6. 50 or 60 Hz Input (pin 35): A shaping circuit (Figure 3) is provided to square the 50 or 60 Hz input. This circuit allows use of a filtered sinewave input. The circuit is a Schmitt Trigger that is designed to provide about 6V of hysteresis. A simple RC filter, such as shown in Figure 6, should be used to remove possible line-voltage transients that could either cause the clock to gain time or damage t~e device. The shaper output drives a counter chain which performs the timekeeping function. 12 or 24-Hour Select Input (pin 38): By leaving this pin unconnected, the outputs for the most-significant display digit (10's of hours) are programmed to provide a 12-hour display format. An internal depletion pull down device is again provided. Connecting this pin to VSS programs the 24-hour display format. Segment connections for 10's of hours in 24-hour mode are shown in Figure 5b. Power Fail Indication: If the power to the integrated circuit drops indicating a momentary ac power failure and possible loss of clock, the power fail latch is set. The power failure indication consists of a flashing of the AM or PM indicator at a 1 Hz rate. A fast or slow set input resets an internal power failure latch and returns the display to normal. In the 24-hour format, the power failure indication consists of flashing segments "c" and "f" for times less than 10 hours, and of a flash ing segment "c" for times equal to or greater than 10 hours but less than 20 hours; and a flashing segment "g"for times equal to or greater than 2.0 hours. 50 or 60 Hz Select Input (pin 36): A programmable prescale counter divides the input line frequency by ~ither 50 or 60 to obtain a 1 Hz time base. This counter is programmed to divide by 60 simply by leaving pin 36 unconnected; pull-down to VOO is provided by an internal depletion device. Operation at 50 Hz is programmed by connecting pin 36 to VSS. Display Mode Sel~ct Inputs (pins 30-32): In the absence of any of these three inputs, the display drivers present, time-of-day information to the appropriate display digits. Internal pull-down depletion devices allow use of simple SPST switches to select the display mode. If more than one mode is selected, the priorities are as noted in Table I. Alternate display modes are selected by, applying· VSS to the appropriate pin. As shown in Figure 1 the code converters receive time, seconds, alarm and sleep information from appropriate points in the clock circuitry. The display mode select inputs control the gating of the desired data to the code converter 'inputs and ultimately (via output drivers) to the display ' digits. Alarm Operation and Output (pin 25): The alarm comparator (Figure 1) senses coincidence between the alarm counters (the alarm setting) and the time counters (real time). The comparator output is used to set a latch in the alarm and sleep circuits. The latch output enables the alarm output driver (Figure 4), the MM5316 output that is used to control the external alarm sound generator. The alarm latch remains set for 59 minutes, during which the alarm will therefore sound if the latch output is not temporarily inhibited by another latch set by the snooze alarm input (pin 24) or reset by the alarm "OFF" input (pin 26). If power fail occurs and power comes back up, the alarm output will be in high impedance state. Time Setting Inputs (pins 33 and 34)': Both fast ana slow setting inputs are provided. These inputs are applied either singly or in combination to obtain the control functions listed in Table II. Again, internal pull-down depletion devices are provided; application of VSS to these pins effects the control functions. Note that the .control functions proper are dependent on the selected display mode. For example, a hold-time control function is obtained by selecting seconds display and actuating the slow set input. As another example, the clock time may be reset to 12:00:00 AM, in the 12-hour format (00:00:00 in the 24-hour format). by selecting seconds display and actuating both slow and fast set inputs. Snooze Alarm Input (pin 24): Momentarily connecting pin 24 to VSS inhibits the alarm output for between 8 and 9 minutes, after which the alarm will again be sounded. This input is pulled-down to VOO by an internal depletion device. The snooze alarm feature may be repeatedly used during the 59 minutes in which the alarm latch remains set. Alarm "OFF" Input (pin 26): Momentarily connecting pin 26 to VSS resets the alarm latch and thereby silences . the alarm. This input is also returned to VOO by an internal depletion device. The momentary alarm "OFF" input also readies the alarm latch for the next comparator output, and the alarm will automatically sound again in 24 hours (or at a new alarm setting). If it is desired to silence the alarm for a day or more, the alarm "OFF" input should remain at VSS. ' Blanking Control Input (pin 37): Connecting this Sch!TIitt Trigger input to VOO places all display drivers in a non-conducting, high-impedance state, thereby inhibiting the display, (see Figures 3 and 4). Conversely, VSS applied to this input enables the display. Output Corr-rnon Source Connection (pin 23): All disp'lay output drivers are open-drain devices with all $Ol/rces common to pin 23 (Figure 4). When using Sleep Timer and Output (pin 27): The sleep output at pin 27 can be used to turn off a radio after a 1-11 functional description (Continued) and the sleep output current drive is removed, thereby turning off the radio. The turn off may also be manually controlled (at any time in the countdown) by a momentary VSS connection to the snooze, input (pin 24). The output circuitry is the same as the other outputs (Figure 4). desired time interval of up to 59 minutes. The time interval is chosen by selecting the sleep display mode (Table I) and setting the desired time interval (Table II). This automatically results in a current-source output via pin 27, which can be used to turn on a radio (or other appliance). When the sleep counter, which counts downwards, reaches 00 minutes, a latch is reset Voo 50/60 HZ B~N:~~I~~ >-"--1 50/60 Hz JC)-"-. BLANKING OUTPUT OR INPUT SIGNAL VSS FIGURE 3. 50/60 Hz or Blanking Input Shaping Circuit *OUTPUT'COMMON SOURCE BUS (PIN 23) il(OATA)~~ ---i BLANKING (FROM SHAPER) OUTPUT ,(OPEN ORAIN) VSS *Alarm and sleep output sources are connected to VSS: blanking is not applied to these outputs. FIGURE 4. Output Circuit PIN 39 1 Hz PIN 40 PM PIN 1 AM PIN 1 AM PIN 2 NC b&c (a) 12-Hour Display Format (b) 24-Hour Display Format FIGURE 5. Wiring 'Ten's-of-Hours Digit 1·12 PIN 40 PM PIN 2 b&c functional description (Continued) TABLE I. MM5316 Display Modes *SELECTED DISPLA Y MODE DIGIT NO.1 DIGIT NO.2 DIGIT NO. 3 DIGIT NO.4 1D's of Hours & AM/PM Hours 10's of Minutes Minutes Seconds Display Blanked Minutes 1D's of Seconds Seconds Alarm Display 1D's of Hours & AM/PM Hours 1D's of Minutes Minutes Sleep Display Blanked Blanked 10's of Minutes Minutes Time Display * If more than one display mode input is applied, the display priorities are in the order of Sleep (overrides all others), Alarm, Seconds, Time (no other mode selected). ' ill TABLE II. MM5316 Setting Control, Functions CONTROL INPUT SELECTED DISPLAY MODE CONTROL FUNCTION *Time Slow Fast Both Minutes Advance at 2 Hz Rate Minutes Advance at 60 Hz Rate Minutes Advance at 60 Hz Rate Alarm Slow Fast Both Both Alarm Alarm Alarm Alarm Seconds Slow Fast Both Both Input to Entire Time Counter is Inhibited (Hold) Seconds and 1D's of Seconds Reset to Zero Without a Carry to Minutes Time Resets to 12:00:00 AM (12·hour format) Time Resets to 00:00:00 (24·hour format) Slow Fast Both Substracts Count at 2 Hz Substracts Count at 60 Hz Substracts Count at 60 Hz Sleep Minutes Advance at 2 Hz Rate Minutes Advance at 60 Hz Rate Resets to 12:00 AM (12·hour format) Resets to 00:00 (24·hour format) *When setting time sleep minutes will decrement at rate of time counter, until the sleep counter reaches 00 minutes (sleep counter will not recycle). typical application Figure 6 is a schematic diagram of a general purpose alarm clock using the MM5316 and a 3 1156~~~ fluor~scent tube display. BRIGHTNESS CONTROL ...--.+_>---'...,..-.......,vss IBV lOOk [tl Z1k OUTPUT COMMON SOURCE ~~--+---+----l50/60 Hz INPUT ALARM DRIVE MMSJI6 Z1k ~--....-+-..-~--lVOD r I I I L___ t,L. .o:,;~·rcz-.:;l;:.:O':;: S: . .OF-:H" OU_R_S- =.:;.: . ;. . ;-i-UN_IT-iH~O_UR;S+T- rI.;.O.S_O. .:F~M. :.IN_UT.:;.E. .:;S-T- i-;-;.UN_IT_M;-IN_U_TET-S+SL;~- ,~ IHOURS I FOR I Z4·HR _ ___ J MODE FIGURE 6. Schematic 1·13 SLEEP DRIVE Clocks MM5370, MM5371 digital alarm clocks general description The MM5370 and MM5371 digital alarm clocks are monolithic MOS integrated circuits utilizing P-channel low-threshold, enhancement mode and ion-implanted depletion mode devices. They provide all the logic required to build several types of clocks an.d timers. Three display modes (time, alarm and sleep) are provided to optimize circuit utility. The circuits interface simply with 7-segment gas discharge displays. The timekeeping function operates from either a 60 Hz (MM5370) or 50 Hz (MM5371) input, and the display format may be. ~jther12 hours (with leading-zero blanking and AM/PM indication) or 24 hours. Outputs consist of display drives, alarm enable and sleep (e.g., timed radio turn off). Power failure indication is provided to inform the user that incorrect time is being displayed. Setting the time cancels, this indication. These clocks are packaged in 28-pin dual-in-Iine packages. 3: absolute maximum ratings (l'1 Voltage at Any Pin~~ Voltage at Any Disp ay Output Pin Operating Temperature Storage Temperature Le~d Temperature (Soldering, 10 seconds) W VSS + 0.3V to VSS - 29V VSS + 0.3V to VSS - 55V -25°C to +70°C -65°C to +150°C 300°C ..... 0 s: s: (l'1 electrical characteristics PARAMETER T A within operating range, VSS = OV, V DD = -21 V to -29V unless otherwise specified. CONDITIONS MIN TYP MAX W ..... .... UNITS Power Supply Voltage Fun·ctioning Clock I No Output Loads Outputs Driving Display Power Supply Current -8.0 -25 -21 No Output Loads, (See "Power -29 V -29 V 5.0 mA Supply" Section) 60 Hz (or 50 Hz) Input Frequency MM5370 dc 30k Hz MM5371 dc 30k Hz 60 Hz (or 50 Hz) Input Voltage Logical High Level VSS-1.0 VSS VSS V Logical Low Level VDD VDD VDD+1 V VSS VSS-4.0 V VSS VDD+2.0 V Brightness Control Voltage Logical High Level VSS-2.0 VSS Logical Low Level VDD '{DD V All Other Input Voltages Logical High Level Logical Low Level Multiplex Frequency Internal Depletion Load to VDD VSS-1.0 VSS VDD VDD V Determined by Ext. RC 500 60k Hz Driven by Ext. Time Base dc 60k Hz -8.0 V .\-3.0 Power Failure Detect Voltage (VDD Voltage) Output Currents VDD = -21 V to -29V, VSS = OV Digit Anode Outputs Logica High Level, ("ON") VOH = VSS - 5V Logical Low Level, ("OFF") VOL = VSS - 45V 8.0 mA 40 /-LA Segment Cathode Outputs Logical High Level, ("OFF") VOH=VSS-5V Logical Low Level, ("ON ") VOL = VSS - 45V mA 2.0 10 /-LA Alarm and Sleep Outputs Logical High Level, ("ON") VOH=VSS-2V Logical Low Level, ("OFF") VOL = VDD + 2V 1.5 mA -10 functiona I description functions of the clocks (proper counting, etc.) except output drive capabilities. In order to ensure proper output levels and breakdown voltages it is necessary to provide supply voltages between -21V and -29V. At some point between -7V and -3V, the power fail latch becomes "set". All counters will then hold their count at least 0.5V below this point. This ensures power failure indication before any count is lost. For proper power failure indication, power supply rise time should not exceed 10 V/ms, since faster rise times may be faster than propagation delays within the latch circuitry. A block diagram of the MM5370 and MM5371 clocks is shown in Figure 1. The various display modes provided by these clocks are listed in Table I. The functions of the controls are listed in Table II. A connection diagram for these devices is shown on page 1. Unless indicated other· wise, the following discussions are based on Figure ,. Power Supply: Even though these clocks do not require a regulated supply, and operate over a wide voltage range, certain factors should be remembered. Power supply voltages between -8V and ·-21V will provide all 1·15 /-LA III functional description (Continued) frequency of the multiplexing func_n. Each digit anode is sequentially enabled for a time equal to the period of one cycle ofthe multiplex oscillator frequency. Line Frequency Input (pin 12): A shaping circuit is provided to square the 60 Hz (MM5370) or 50 Hz (MM5371) input., This circuit allows use of a sinewave input. The Schmitt Trigger shaper (Figure 2) is designed to provide approximately 6V of hysteresis. A simple RC filter, such as shown in Figure 8,' should be used to remove possible line·voltage transients that could cause the clock to gain time o'r damage the device. The shaper output drives a counter chain which performs the timekeeping function. A prescale counter divides the line input frequency to obtain a 1 pps timebase. When driving gas discharge displays which enclose more than one digit in a common gas envelope, it is necessary to either (1) inhibit the segment drive voltage(s) for a short time' during inter-digit transitions, or (2) avoid physically adjacent. inter-digit transitions. The MM5370 and MM5371 clocks utilize an interlaced output sequence to eliminate the need for inter·digit blanking circuitry and to prevent display arcing problems. The digit sequence is: (1) digit no. 1 (ten's of hours), (2) digit no. 3 (ten's of minutes), (3) blank for one digit time, (4) digit no. 2 (unit hours), (5) digit no. 4 (unit minutes), (6) blank for one digit time, etc. The two blanking intervals are provided to recharge level-translating capacitors located in the display segment drive lines (see Figure 8). Both segment data and digit enables are blanked. Figure 3 is a ,timing diagram which illustrates output timing. Display Mode Select Inputs (pins 7 and 8): In the absence of, either of these inputs, the display drivers output time·of-day information to the display. Internal ,pull·down (to VDD) depletion loads allow use of simple SPST switches for connecting these inputs to VSS, thereby selecting alternate display modes. If more than one mode is simultaneously selected, the priorities are are noted in Table I. As shown in Figure 1 the multiplexed code converter receives time, alarm and sleep information from appropriate points in the clock circuitry. The display mode select inputs control the gating of the desired data to the multiplexed code converter inputs and ultimately (via output drivers) to the display. MUltiplex Timing Input (pin 14): The multiplex oscillator is shown in Figure 4. Adding an external resistor and capacitor to this circuit via the mUltiplex timing input produces a relaxation oscillator. The waveform at this input is a quasi-sawtooth that is squared by the shaping action of the Schmitt Trigger in Figure 4. Figure 5 provides guidelines for selecting the external components relative to the desired multiplex frequency. Figure 6 illustrates a method of synchronizing or driving the multiplex oscillator with an external timebase. The external RC timing components may be omitted and this input driven by an external timebase; the required logic levels are the same as the 60 Hz or 50 Hz input. Time Setting Inputs (pins 10 and 11): Both fast and slow setting inputs are provided. These inputs are applied either singly or In combination to obtain the control functions listed in Table II. Again, internal pull-down depletion loads are provided; application of VSS to these pins effects the control functions. Note that the control functions proper are determined by the selected display mode. An optional hold-time control function can be obtained as shown in Figure 8. Output Circuits: All display output drivers are opendrain devices with sources common to VSS (pin 5), see Figure 7. Figure 8 illustrates interfacing the clock' outputs and a gas discharge display. Reset Input (pin 9): Applying VSS tO,this input results in resetting the timekeeping function' of the clock; a pull-down depletion load is provided at this input I Time is reset to 12:00 AM in the 12-hour format, or 00:00 in the 24-hour format. See Table II. Brightness Control Input (pin 15): Since display brightness is a function of cathode segment current, a capability of interrupting this current for a variable percentage of the digit interval results in a brightness control. Connecting this Schmitt Trigger input (see Figure 2) to VDD places all cathode segm'ent drive voltages at the high level, thereby inhibiting the display. Conversely, VSS applied to this input enables the cathode segment drives. The Schmitt Trigger shaper provides approximately 1V of hysteresis, which facilitates using a waveform such as a sawtooth with a variable slope (or variabledc component) to effect the shaper output duty cycle and, therefore, the display brightness. The control waveform should, be derived from the multiplex frequency; a circuit is included in Figure 8. 12 or 24-Hour Select Input (pin 13): By lE)aving this pin unconnected, the clock is programmed to provide a 12-hour display format. This format provides for zero-blanking the most significant display digit (ten's of hours). An internal pull-down depletion load "is again provided; connecting this pin to VSS' programs the 24-hour display fprmat. (See Figure 8). Output Multiplexer Operation: Depending upon the selected display mode (see Table I), outputs from the appropriate internal counter are time division multiplexed to provide digit-sequential access to the data. Thus, instead of requiring 28 leads to interconnect a 4-digit clock and its display (7 -segments per digit), only 11 output leads are required. Note that the MM5370 and MM5371 actually provide 13 outputs (4-digit anode drive outputs plus 9 "segment" cathode drive outputs). The two additional "segment" drives are provided to accommodate displays which feature a colon and/or AM/PM indication. (See sections on pin 16 and pin 17). The multiplexed code converter and output drivers are controlled by a multiplex oscillator. The oscillator and external timing components'set the Alarm Operation and Output (pin 2): An alarm com· parator (see Figure 1) senses coincidence between the alarm counters (the alarm setting) and the time counters (real time). The comparator output isused to set a latch in the alarm and sleep circuits. This latch enables the alarm output driver (see Figure 7), the output of which is used to control the external alarm sound generator. The alarm latch remains set for 59 minutes, during which the alarm will sound if the latch output is' not 1-16 functional description (Continued) sleep display mode (see Table I) and setting the desired time interval (see Table II). This automatically results in a current-source output via pin 4 which. can be used to turn on a radio. When the sleep counter, which counts downwards, reaches 00 minutes a latch is reset and the sleep output drive current is removed, thereby turning off the radio. This turn off also may be manually controlled (at any time in the count-down) by a momentary VSS connection to the snooze input (pin 1). This input is also returned to VDD by a depletion load. The output circuitry is the same as the alarm output (see Figure 7). temporarily inhibited by another latch set by the snooze input (pin 1) or reset by the alarm "OF F" input (pin 3). Alarm time setting and resetting are outlined in Table II. When initially powered, alarm is in "OFF" state. Alarm "OFF" Input (pin 3): Momentarily connecting this pin to VSS resets the alarm latch and thereby silences the alarm. This input is also returned to VDD by an internal depletion load. The momentary alarm "OFF" input also readies the alarm latch for the next alarm comparator output; the alarm will sound again in 24 hours (or at a new alarm setting). If it is desired to silence the alarm for a day or more, the alarm input should remain at VSS. Snooze Timer Input (pin 1): Momentarily connecting this pin to VSS inhibits the alarm output for between 8 and 9 minutes, after which the alarm will again be sounded. This input is pulled to VDD by an internal depletion load. The snooze feature may be repeatedly used during the 59 minutes in which the alarm latch remains set. AM/PM Cathode Output (pin 16): Current with this writing, gas-discharge clock displays are available with two types of AM/PM indications, (1) AM and PM indicators common to digits 3 and 4 respectively; and (2) a PM only indication common to digit 1_ Figure 3 illustrates an AM/PM cathode drive output that is compatible with both display types. Note that this same output also provides a non-blinking (steady) colon drive common to digit two. Power failure is shown by turning off this output at a 1 Hz rate. Sleep Timer and Output (pin 4): The sleep output at pin 4 can be used to turn off a radio (or other appliance) after. a desired time interval of up to 59 minutes. The time interval is chosen by selecting the Colon Cathode Output (pin 17): As an optional indication of clock operation, some users may prefer to display a 1. Hz activity_As shown in Figure 3, a cathode drive output is provided to facilitate a blinking colon. .J ' VSS 0--+ VDD 0--+ MULTIPLEX TIMING O-----------i~ INPUT 12/2~EHL~~~ LINE FREQUENCY INPUT MULTIPLEX OSCILLATOR 0-------------------------------. ~DO:::RS 0----+1 ) DIGIT ANODE DRIVE OUTPUTS lD MINS MINS ALARM OUTPUT ...- - - - - . . . . , ALARM 0-------, AMIPM OFF COLON INPUT } ) ALARM DISPLAY o---_________..:...______________--.J SLEEP DISPLAY o--------------------...;.--------.....J BRIGHTNESS CONTROL O-----------i~ INPUT SHAPING CIRCUIT FIGURE 1. MM5370 and MM5371 Digital Alarm Clock, Block Diagram 1-17 AUXILIARY CATHODE DRIVE OUTPUTS MULTIPLEXED 7·SEGMENT CATHODE DRIVE OUTPUTS III ... ,... M it) functional description (Continued) ~ :E ~ TABLE I. MM5370 and MM5371 Display Modes M it) :E :2 *SELECTED DISPLA Y MODE DIGIT NO.1 DIGIT NO.2 DIGIT NO.3 DIGIT NO.4 Time Alarm Sleep 10's of Hours 10's of Hours Blanked** Unit Hours Unit Hours Blanked 10's of Minutes 10's of Minutes 10's of Minutes Unit Minutes Unit Minutes Unit Minutes I * If more than one display mode input is :applied, the display priorities are in the order of Sleep (overrides all others), Alarrii, Seconds, Time (no other mode selected). " * * F segment is lit in 12-hour disP"lay mode_ This may be eliminated by using circuit shown in Figure 9. (~I Table II. MM5370 and MM5371 Setting Control Functions SELECTED DISPLA Y MODE CONTROL INPUT Time* Slow Fast Both Reset Reset Minutes Advance at 2 Hz Rate Minutes Advance at 60 Hz Rate Minutes Advance at60 Hz Rate Time Resets to 12:00 AM (12-hour format) Time Resets to 00:00 (24-hour format) Alarm Slow Fast Both Both Alarm Alarm Alarm Alarm Sleep Slow Fast Both Subtracts Count at 2 Hz Rate Subtracts Count at 60 Hz Rate Subtracts Count at 60 Hz Rate CONTROL FUNCTION Minutes Advance at 2 Hz Rate Minutes Advance at 60 Hz Rate Resets to 12:00 AM (12-hour format) Resets to 00:00 (24-hour format) *When setting time sleep minutes will decrement at rate of time counter, until the sleep counter reaches 00 minutes (sleep counter will not recycle). vss LINE FREQUENCY 8RII~~~~E~~ SHAPEO LINE 0----4.......... X>-"'--1~ ~~E~~I~~CT~ESS CONTROL INPUT CONTROL SIGNAL VOD FIGURE 2. 60 Hz (or 50 Hz) Input (or Brightness Control Input) Shaping Circuit 1-18 functional description MULTIPLEX TIMING INPUT s: s: U1 (Continued) eN -...J o I I n II DIGITNO.l 10'S OF HOURS DIGIT NO. 3 10·SOFMINS. I l r 11--- I '~I----------------~' I II ~ ~ I I I I r I11.-.__________--; ~ U~II~I~~~R~ I n I ~I--~I--------~ I I I ~I;I~ ~I~S~ I I ~--------~ _ _ _1L I ~--~--------------~ ANY SEGMENT AMII'M CATHODES I NON·BlINKING . COLON DRIVE I ~l'HZBlINKING COLON DRIVE COLON CATHOOES COLON I : COLON : L ___ ..1 FIGURE 3. Output Timing Diagram VSS ExTERNAL...Lc TIMING COMPONENTS MULTIPLEX TIMING INPUT I "'-0-...-1 OSCillATOR OUTPUT 1.000.000 ~ F 5 100.000 15 :c ~ ~ ~~ VOO "" ~ ::; Iil!: voo=-a.DvR VOO=-2IV ~I 10.000 r- VOO = -29V~ 1000 VOO ~ ;= ~ UlL 100 10 pF 1111 100 pF 11111 1000 pF O.DI~F O.I~F CAPACIT ANCE C (WITH R=IDDk) VSS FIGURE 5. Multiplex Timing Component Selection Guide (Typical Only) FIGURE 4. Multiplex Oscillator Circuit .._---+----- VSS-....._ _........ Note 1: For synchronizing, free running period should be set to run slightly longer than exter· nal timebase over temperature. Note 2: For driving, timing capacitor should be deleted. EXTERNAL TIMEBASE Voo-------4I.....- - -...- - - - - - FIGURE 6. Synchronizing or Driving Multiplex Oscillator 1·19 functional description (Continued) Vss "M"'« n (DATA) ALARM DR SLEEP OUTPUT VOO (OPEN DRAIN) TYPICAL DIGIT DR SEGMENT OUTPUT FIGURE 7. Output Circuits VSS ~ O.OT5~F °t/ :~ 1, 5 VSS VOD 55k J. en T2k TOOk MUX TIMING BRIGHTNESS CO NT. ~ VSS ~o- FAST SET ~o- RESET ~o- ALARM DISPLAY ALARM OFF ~o- SNOOZE 60Hz IN ,,+,~,~ ! " .r TOOk . TOOk (X4) ~o- ~ } CONTROLS TO ALARM ANDIDR RADIO CIRCUITS SLEEP ~o- 0- . ALARM SLOW SET ~ MM53)0 M 10M SLEEP DISPLAY H 10H T2/24 HOURS 10H VDD . > LINE FREn. b c d . I 9 AMI PM COLON . > H~"" II II TOk II II VSS II II II II VSS= OV VOO = -2TV TO -29V II II >
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O&O DriveLED v2.0.383 serial key or number

Hot Cpu Tester Pro v4.3 with Serial



Hot Cpu Tester Pro v4.3 | Serial | 1.7 MB

Hot CPU Tester Pro is a system health and stability tester. It tests CPU, chipset and virtually all parts of motherboard for errors/bugs, defective parts and components. It is a burn-in test with uniquely designed state of the art DefectTrack engine. DefectTrack is a technology developed by 7Byte to diagnose systems regarding its stability and in general, computer's health. Hot CPU Tester is currently being used in many labs and governmental organizations around the world, as a reliable stability testing utility.

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Hot CPU Tester Pro 4 is consisted of several test modules to stress-test each component within a system. Defective parts are most likely for to fail while they are under a heavy load, when the heat production is at its highest. The testing modules intentionally stress all components to their maximum limits to assess their integrity. Unstable parts cannot endure these pressures and will fail the tests, allowing the opportunity for an upgrade or exchange before the PC is released into a production environment. It is recommended that Hot CPU Tester should run for at least six hours to fully check the system. If a system is stable under hard conditions for six hours, it is unlikely to generate errors during normal operating conditions.

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• Fixed bug: False ‘Calculating Pi’ error
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