MM58274C Datasheet (National) - Microprocessor Compatible Real Time Clock

MM58274C, Microprocessor Compatible Real Time Clock

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

MM58274C 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 process control Same pin-out as MM58174A MM58274B and MM58274 Timekeeping from tenths of seconds to tens of years in independently accessible registers Leap year registe