ISL1220 Description
DATASHEET ISL1220 Low Power RTC with 8 Bytes of Battery Backed SRAM and Separate FOUT FN6315 Rev 1.00 August 7, 2015 The ISL1220 device is a low power real time clock with timing and crystal pensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching, battery-backed user SRAM and separate FOUT and IRQ outputs. The oscillator uses an external, low-cost 32.768kHz...