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MM58274C - Microprocessor Compatible Real Time Clock

General Description

The MM58274C is fabricated using low threshold metal gate CMOS technology and is designed to operate in bus oriented microprocessor systems where a real time clock and calendar function are required The on-chip 32 768 kHz crystal controlled oscillator will maintain timekeeping down to 2 2V to allow

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Datasheet Details

Part number MM58274C
Manufacturer National
File Size 228.23 KB
Description Microprocessor Compatible Real Time Clock
Datasheet download datasheet MM58274C Datasheet

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MM58274C Microprocessor Compatible Real Time Clock April 1991 MM58274C Microprocessor Compatible Real Time Clock General Description The MM58274C is fabricated using low threshold metal gate CMOS technology and is designed to operate in bus oriented microprocessor systems where a real time clock and calendar function are required The on-chip 32 768 kHz crystal controlled oscillator will maintain timekeeping down to 2 2V to allow low power standby battery operation This device is pin compatible with the MM58174A but continues timekeeping up to tens of years The MM58274C is a direct replacement for the MM58274 offering improved Bus access cycle times Features Y Y Y Y Y Y Applications Y Y Y Y Y Y Y Y Y Point of sale terminals Teller terminals Word processors Data logging Industrial p