DATASHEET
ISL1218 FN6313
Rev.0.00
Jun 22, 2006 Low Power RTC with Battery Backed SRAM
The ISL1218 device is a low power real time clock with
timing and crystal compensation, clock/calendar, power fail
indicator, periodic or polled alarm, intelligent battery backup
switching and 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. Real Time Clock/Calendar
-Tracks Time in Hours, Minutes, and Seconds
-Day of the Week, Day, Month, and Year 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 Ordering Information
PART
NUMBER
(Note) Features TEMP.
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