DS12887 - Real Time Clock

Dallas

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Datasheet Details

Part number	DS12887
Manufacturer	Dallas
File Size	584.91 KB
Description	Real Time Clock
Datasheet	DS12887_Dallas.pdf

DS12887 Product details

Description

AD0 AD7 NC MOT CS AS R/ W DS RESET IRQ SQW VCC GND Multiplexed Address/Data Bus No Connection Bus Type Selection Chip Select Address Strobe Read/Write Input Data Strobe Reset Input Interrupt Request Output Square Wave Output +5 Volt Supply Ground DESCRIPTION The DS12887 Real Time Clock plus RAM is designed to be a direct replacement for the DS1287

Features

Drop.
in replacement for IBM AT computer clock/calendar Pin-compatible with the MC146818B and DS1287 Totally nonvolatile with over 10 years of operation in the absence of power Self.
contained subsystem includes lithium, quartz, and support circuitry Counts seconds, minutes, hours, days, day of the week, date, month, and year with leap year compensation valid up to 2100 Binary or BCD representation of time, calendar,.

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Published: Jun 22, 2005 |