DS3231SN DS 3231 IC Real Time Clock Integrated RTC/TCXO/Crystal SMD SOIC-16 IBAT22095

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