DS3231M
Description
The DS3231M is a low-cost, extremely accurate, I2C realtime clock (RTC). The device incorporates a battery input and maintains accurate timekeeping when main power to the device is interrupted.
Key Features
- Highly Accurate RTC With Integrated MEMS Resonator Completely Manages All Timekeeping Functions
- Complete Clock Calendar Functionality Including Seconds, Minutes, Hours, Day, Date, Month, and Year, with Leap-Year Compensation Up to Year 2100
- Timekeeping Accuracy ±5ppm (±0.432 Second/Day) from -45°C to +85°C
- Footprint and Functionally Compatible to DS3231
- Two Time-of-Day Alarms
- 1Hz and 32.768kHz Outputs
- Reset Output and Pushbutton Input with Debounce
- Digital Temp Sensor with ±3°C Accuracy
- +2.3V to +5.5V Supply Voltage *
- Simple Serial Interface Connects to Most Microcontrollers
