DS12887A - Real Time Clock

Product Overview

Dallas

Datasheet Details

Part number	DS12887A
Manufacturer	Dallas
File Size	86.54 KB
Description	Real Time Clock
Datasheet	DS12887A Datasheet
Additional preview pages of the DS12887A datasheet.

Product details

Description

AD0-AD7 NC MOT CS AS R/ W DS RESET IRQ SQW VCC RCLR 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 - RAM Clear - Ground DESCRIPTION The DS12887A Real Time Clock plus RAM is designed to be a direct replacement for the DS1287A.The DS12887A is identical in form, fit, and function to the DS1287A, and has an additional 64 bytes o

Features

Drop.
in replacement for IBM AT computer clock/calendar.
Pin compatible with the MC146818B and DS1287A.
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, and alarm.
12.

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Published: Jul 21, 2014 |