DATASHEET ISL12008 I2C Real Time Clock with Battery Backup Low Power RTC with Battery ReSeal™ Function FN6690 Rev 1.00 Sep 26, 2008 The ISL12008 device is a low power real time clock/calendar that is pin compatible and functionally equivalent to the ST M41T00S and Maxim DS1340 with timing and crystal compensation.
The device additionally provides power-fail indicator, software alarm and intelligent battery backup.
The oscillator uses an external, low-cost 32.768kHz crystal.
The real time cloc
