ISL12027A PDF File ( Datasheet )

® Data Sheet ISL12027, ISL12027A August 12, 2010 FN8232.8 Real Time Clock, Calendar with EEPROM The ISL12027 device is a low power real time clock with timing and crystal compensation, clock, calender, power-fail indicator, two periodic or polled alarms, intelligent battery backup switching, CPU Supervisor and integrated 512x8-bit EEPROM, in 16 Byte per page format. The oscillator uses an external, low-cost 32.768kH- crystal. The real time clock tracks time with separate registers for hou