ISL1209 Overview
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 pensation, 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...