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DS12C887 - Real Time Clock

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 t e DS12C887 24

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, and alarm 12.
  • or 24.
  • hour clock with AM and PM in 12.
  • hour.

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Datasheet preview – DS12C887

Datasheet Details

Part number DS12C887
Manufacturer Dallas Semiconducotr
File Size 219.34 KB
Description Real Time Clock
Datasheet download datasheet DS12C887 Datasheet
Additional preview pages of the DS12C887 datasheet.

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Full PDF Text Transcription

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DS12C887 Real Time Clock www.dalsemi.com 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.
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