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ISL12022 - Low Power RTC

General Description

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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 Temperature Range - ±5ppm Over -40°C to +85°C.
  • 10-bit Digital Temperature Sensor Output - ±2°C Accuracy.
  • Customer Programmable Day Light Saving Time.
  • 15 Selectable Frequency Outputs.
  • 1 Alarm - Settable to the Second, Minute, Hour, Day of the Week, Day, or Month - Single Event or Puls.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
ISL12022 Low Power RTC with Battery-Backed SRAM and Embedded Temp Compensation ±5ppm with Auto Daylight Saving FN6659 Rev.3.01 Oct 24, 2019 The ISL12022 device is a low power real time clock with an embedded Temp sensor for oscillator compensation, clock/calendar, power fail, low battery monitor, brownout indicator, single periodic or polled alarms, intelligent battery-backup switching, Battery Reseal™ function, 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. The device has calendar registers for date, month, year, and day of the week. The calendar is accurate through 2099, with automatic leap year correction.