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DS17485 - (DS17486 / DS17487) 3V/5V Real-Time Clock

Datasheet Summary

Description

DS17485XX-X RTC Chip 3 5 +3V operating range +5V operating range blank commercial temp range N industrial temp range blank 24-pin DIP E 28- pin TSOP S 24- pin SO DS17487X-X RTC Module; 24-pin DIP 3 5 +3V operating rang +5V operating range blank commercial temp range N industrial PIN DESCRIPTION R

Features

  • Incorporates industry standard DS1287 PC clock plus enhanced features:.
  • Y2K compliant.
  • +3V or +5V operation.
  • SMI recovery stack.
  • 64-bit silicon serial number.
  • Power-control circuitry supports system power-on from date/time alarm or key closure.
  • 32kHz output on power-up.
  • Crystal select bit allows RTC to operate with 6pF or 12.5pF crystal.
  • 114 bytes user NV RAM.
  • Auxiliary battery input.
  • 4kB additional NV RAM.
  • RAM clear input.
  • Century regi.

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Datasheet preview – DS17485

Datasheet Details

Part number DS17485
Manufacturer Dallas
File Size 427.61 KB
Description (DS17486 / DS17487) 3V/5V Real-Time Clock
Datasheet download datasheet DS17485 Datasheet
Additional preview pages of the DS17485 datasheet.

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Full PDF Text Transcription

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DS17485/DS17487 3V/5V Real-Time Clock www.maxim-ic.com FEATURES Incorporates industry standard DS1287 PC clock plus enhanced features: § Y2K compliant § +3V or +5V operation § SMI recovery stack § 64-bit silicon serial number § Power-control circuitry supports system power-on from date/time alarm or key closure § 32kHz output on power-up § Crystal select bit allows RTC to operate with 6pF or 12.
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