MM58274C-12 - Microprocessor Compatible Real Time Clock

National Semiconductor

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Datasheet Details

Part number	MM58274C-12
Manufacturer	National Semiconductor
File Size	209.12 KB
Description	Microprocessor Compatible Real Time Clock
Datasheet	MM58274C-12-NationalSemiconductor.pdf

MM58274C-12 Product details

Description

The MM58274C-12 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 Applications Y Point of sale terminals Y Teller terminals Y Word pr

Features

Y Same pin-out as MM58174A MM58274B MM58274C and MM58274 Y Timekeeping from tenths of seconds to tens of years in independently accessible registers Y Leap year register Y 12 hour operation only Y Buffered crystal frequency output in test mode for easy oscillator setting Y Data-changed flag.

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Published: Oct 8, 2018 |