12C887 - DS12C887

Dallas Semiconductor

12C887 Datasheet Preview — Preview of 12C887 PDF

Datasheet Details

Part number	12C887
Manufacturer	Dallas Semiconductor
File Size	240.12 KB
Description	DS12C887
Datasheet	12C887_DallasSemiconductor.pdf

12C887 Product details

Description

AD0-AD7 - Multiplexed Address/Data Bus NC - No Connect MOT - Bus Type Selection CS - RTC Chip Select Input AS - Address Strobe - Read/Write Input R/ W DS - Data Strobe RESET - Reset Input IRQ - Interrupt Request Output SQW - Square Wave Output VCC - +5 Volt Main Supply GND - Ground DESCRIPTION The DS12C887 Real Time Clock plus RAM is designed as a direct upgrade replacement for the DS12887 in existing IBM compatible personal computers to add hardware year 2000 compliance.A century byte was add

Features

Drop-in replacement for IBM AT computer clock/calendar Pin compatible with the MC146818B and DS1287 www. DataSheet4U. com 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.
or 24.
hour clock with AM and P.

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Published: Aug 28, 2008 |