ISL12027 Datasheet PDF – Real Time Clock / Calendar

Part Number: ISL12027

Function: Real Time Clock / Calendar with EEPROM

Package: SOIC 8 Pin Type

Manufacturer: Intersil


ISL12027 datasheet



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 512×8-bit EEPROM, in 16 Byte per page format.

The oscillator uses an external, low-cost 32.768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds.


• Real Time Clock/Calendar
– Tracks Time in Hours, Minutes and Seconds
– Day of the Week, Day, Month and Year

• Two Non-Volatile Alarms
– Settable on the Second, Minute, Hour, Day of the Week, Day, or Month
– Repeat Mode (Periodic Interrupts)

• Automatic Backup to Battery or SuperCap

Other data sheets are available within the file:

ISL12027IBZ, ISL12027A


ISL12027 Datasheet PDF Download

ISL12027 pdf