11.07.2015 Views

Dynamic Shift Registers - Bitsavers - Trailing-Edge

Dynamic Shift Registers - Bitsavers - Trailing-Edge

Dynamic Shift Registers - Bitsavers - Trailing-Edge

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<strong>Dynamic</strong> <strong>Shift</strong> <strong>Registers</strong>MM4020/MM5020 quad SO-bit dynamic shift registerMM4021/MM5021 triple SO-bit dynamic shift registergeneral descriptionThe MM4020/MM5020, and MM4021/MM5021shift registers are monolithic MOS integrated circuitsutilizing P-channel enhancement mode lowthreshold technology to achieve bipolar compatibility_The MM4021/MM5021 is a metal maskoption of the MM4020/MM5020 which eliminatesone of the 80-bit registers. Power and clock capacitanceare reduced proportionally.features• Bipolar compatibility +5V, -12V operationNo pull-up or pull-downresistors required• System flexibility Guaranteed minimumoperating frequency of250 Hz at 25°C• Military and commercial temperature rangesMM4020, MM4021 -55°C to +125°CMM5020, MM5021 -25°C to +70°Capplications• Calculator storage register• CRT refresh memory• Serial data storageconnection diagramsDual-In-Line Package Metal Can Package Dual-In-Line Packager/lOUT 1 16 VGG

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