ISL12021 Overview
® ISL12021 Real Time Clock with On Chip Temp pensation ±5ppm Data Sheet March 30, 2007 FN6451.0 Low Power RTC with VDD Battery Backed SRAM and Embedded Temp pensation ±5ppm with Auto Day Light Saving The ISL12021 device is a low power real time clock with an embedded Temp sensor for oscillator pensation, clock/calendar, power fail, low battery monitor, brown out indicator, single periodic or polled alarms,...
ISL12021 Key Features
- Real Time Clock/Calendar
- Tracks Time in Hours, Minutes and Seconds
- Day of the Week, Day, Month and Year
- On-chip Oscillator pensation Over the Operating Temp Range
- ±5ppm over -20°C to +70°C
- Day Light Saving Time
- Customer Programmable
- Separate FOUT pin
- 15 Selectable Frequency Outputs
- 1 Alarm