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DS17487

DS17487 Description

DS17487 Categories

DS17487 Manufacturer

DS17487 Datasheet (PDF)

DS17487 Datasheet

DS17487 Price & Availability


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DS17487 Features

Incorporates industry standard DS1287 PC clock plus enhanced features:
  • Y2K Compliant
  • +3 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 register
  • Date alarm register
  • Compatible with existing BIOS for original DS1287 functions
  • Available as chip (DS17485) or standalone module with embedded battery and crystal (DS17487)
  • Timekeeping algorithm includes leap year compensation valid up to 2100

DS17487 Parameters

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