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ISL12024IRTC - Real-Time Clock/Calendar

General Description

The X1 pin is the input of an inverting amplifier and is intended to be connected to one pin of an external 32.768kHz quartz crystal.

Key Features

  • Real-Time Clock/Calendar - Tracks Time in Hours, Minutes, and Seconds - Day of the Week, Day, Month and Year - 3 Selectable Frequency Outputs.
  • 64-Bit Unique ID.
  • Two Non-Volatile Alarms - Settable on the Second, Minute, Hour, Day of the Week, Day or Month - Repeat Mode (Periodic Interrupts).
  • Automatic Backup to Battery or Super Cap.
  • Default 32.768kHz Output at IRQ/FOUT (FO1 = 0, FO0 = 1).
  • On-Chip Oscillator Compensation - Internal Feedback Re.

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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.

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DATASHEET ISL12024IRTC Real-Time Clock/Calendar with Embedded Unique ID FN6749 Rev 1.00 December 15, 2011 The ISL12024IRTCZ device is a micro-power real-time clock with embedded 64-bit unique ID, timing and crystal compensation, clock/calender, power-fail indicator, two periodic or polled alarms, intelligent battery backup switching, and integrated 512x8-bit EEPROM configured in 16 Bytes per page. The device contains a 64-bit unique ID number for security and product identification applications. It is housed in a tiny 3mmx3mm TDFN package for small handheld applications. The clock output defaults to 32.768kHz on initial power-up for low power microcontroller clocking applications. The low 800nA battery supply current extends backup battery life.