The ISL1209 device is a low power real time clock with Event Detect function, timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and battery-backed user SRAM.

Features

• Real Time Clock/Calendar

  - Tracks Time in Hours, Minutes, and Seconds

  - Day of the Week, Day, Month, and Year

• Security and Event Functions

  - Tamper detection with Time Stamp

  - Event Detection During Battery Packed or Normal Modes

  - Selectable Event Input Sampling Rates Allows Low Power Operation

  - Selectable Glitch Filter on Event Input Monitor

• 15 Selectable Frequency Outputs

• Single 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

• Power Failure Detection

• On-Chip Oscillator Compensation

• 2 Bytes Battery-Backed User SRAM

• I2C Interface

- 400kHz Data Transfer Rate

• 400nA Battery Supply Current

• Small Package

  -10 Ld MSOP

• Pb-Free Plus Anneal Available (RoHS Compliant)