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