ISL12022M Overview
DATASHEET ISL12022M Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature pensation and Auto Daylight Saving FN6668 Rev.10.00 Oct 24, 2019 The ISL12022M 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,...
ISL12022M Key Features
- Embedded 32.768kHz quartz crystal in the package
- 20 Ld SOIC package (for DFN version, see the ISL12020M)
- Calendar
- On-chip oscillator temperature pensation
- 10-bit digital temperature sensor output
- 15 selectable frequency outputs
- Interrupt for alarm or 15 selectable frequency outputs
- Automatic backup to battery or supercapacitor
- VDD and battery status monitors
- Battery Reseal function to extend battery shelf life