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ISL12020 Datasheet Low Power RTC

Manufacturer: Intersil (now Renesas)

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Overview

® ISL12020 Real Time Clock with On Chip Temp Compensation ±5ppm Data Sheet March 29, 2007 FN6450.0 Low Power RTC with VDD Battery Backed SRAM and Embedded Temp Compensation ±5ppm with Auto Day Light Saving The ISL12020 device is a low power real time clock with an embedded Temp sensor for oscillator compensation, clock/calendar, power fail, low battery monitor, brown out indicator, single periodic or polled alarms, intelligent battery backup switching and 128 bytes of battery-backed user SRAM.

The oscillator uses an external, low-cost 32.768kHz crystal.

The real time clock tracks time with separate registers for hours, minutes, and seconds.

Key Features

  • Real Time Clock/Calendar - Tracks Time in Hours, Minutes and Seconds - Day of the Week, Day, Month and Year.
  • On-chip Oscillator Compensation Over the Operating Temp Range - ±5ppm over -20°C to +70°C.
  • Day Light Saving Time - Customer Programmable.
  • 15 Selectable Frequency Outputs.
  • 1 Alarm - Settable to the Second, Minute, Hour, Day of the Week, Day, or Month - Single Event or Pulse Interrupt Mode.
  • Automatic Backup to Battery or Super Cap - Ope.

📁 Similar Datasheet

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