Datasheet Summary
Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature pensation and Auto Daylight Saving
FN7575 Rev 5.00 September 5, 2012
The ISL12022MA device is a low power real time clock (RTC) with an embedded temperature sensor and crystal. Device functions include oscillator pensation, clock/calendar, power fail and low battery monitors, brownout indicator, one-time, periodic or polled alarms, intelligent battery backup switching, Battery Reseal™ function and 128 bytes of battery-backed user SRAM. Backup battery current draw is less than 1.6µA over the temperature range. The device is offered in a 20 Ld SOIC module that contains the RTC and an embedded...