ISL1209 Datasheet (Renesas)

ISL1209, Low Power RTC

DATASHEET ISL1209 Low Power RTC with Battery Backed SRAM and Event Detection FN6109 Rev 4.00 October 17, 2006 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.

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

The real time clock tracks time with separate registers for hours, minutes, a