DS3231 Datasheet - Maxim Integrated

DS3231 - Extremely Accurate I2C-Integrated RTC/TCXO/Crystal

The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperaturecompensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping when main power to the device is interrupted. The integration of the cry.

DS3231 Features

* Highly Accurate RTC Completely Manages All Timekeeping Functions

* Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year, with Leap-Year Compensation Valid Up to 2100

* Accuracy ±2ppm from 0°C to +40°C

* Accuracy ±3.5pp

DS3231-MaximIntegrated.pdf