Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation and Auto Daylight SavingLow Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation and Auto Daylight Saving ISL12022M Features The ISL12022M device is a low power real time clock (RTC) with Embedded 32.768kHz Quartz Crystal in the Package an embedded temperature sensor and crystal. Device functions 20 Ld SOIC Package (for DFN version, refer to the ISL12020M) include oscillator compensation, clock/calendar, power fail and low battery monitors, brownout indicator, one-time, periodic or Calendar polled alarms, intelligent battery backup switching, Battery On-chip Oscillator Temperature Compensation Reseal function and 128 bytes of ……