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DS17287

DS17287 Description

3V/5V Real-Time Clock

DS17287 Categories

RTC & Watchdog ICs

DS17287 Manufacturer

Maxim

DS17287 Datasheet (PDF)

DS17287 Datasheet

DS17287 Price & Availability


Check DS17287 Price & Availability at Canics

DS17287 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
  • 2kB additional NV RAM
  • RAM clear input
  • Century register
  • Date alarm register
  • Compatible with existing BIOS for original DS1287 functions
  • Available as chip (DS17285) or stand-alone module with embedded battery and crystal (DS17287)
  • Timekeeping algorithm includes leap year compensation valid up to 2100

DS17287 Parameters

Package24/EDIP.740
Supply Voltage (V)5
Supply Voltage (V)3
Price @ 1k$6.15
Bus TypeMultiplexed
Special Functions
  • Standard
Time Format (hh = 1/100 sec)HH:MM:SS
Date FormatYYYY-MM-DD
Op. Temp Range0° to +70°
Op. Temp Range-40° to +85°
NV RAM (Bytes)2K
Select parameters and click to see components with these parameters.

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Keywords
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DS17287 Circuit DS17287 Reference DS17287 PDF DS17287 RoHS