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DS1642

DS1642 Manufacturer

DS1642 Description

DS1642 Categories

DS1642 Datasheet (PDF)

DS1642 Datasheet

DS1642 Price & Availability


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DS1642 Features

  • Integrated NV SRAM, real-time clock, crystal, power-fail control circuitry, and lithium energy cell
  • Tracks BCD-coded seconds, minutes, hours, days, dates, months, years, and leap years, valid to year 2100
  • Clock and RAM registers accessed identically
  • Standard JEDEC bytewide 2k x 8 static RAM pin-out
  • Clock accuracy better than ±1 min/month at 25°C
  • Voltage/power-fail tolerance: 5V ±10%
  • Operating range: 0°C to 70°C
  • >10 years operation without system power
  • Freshness seal (lithium disconnected until first power-up)

DS1642 Parameters


 

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