DS3231M Datasheet - Maxim Integrated

DS3231M I2C Real-Time Clock

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. The integration of the microelectromechanical systems (MEMS) resonator enhances the long-term accuracy of .

DS3231M 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 (

DS3231M-MaximIntegrated.pdf