Keyes Brick 3231 Clock Module (pad hole) with Pin Header Board IIC Interface

Description This module mainly uses the high precision clock chip DS3231 It is a low cost high precision I2C real time clock RTC with an integrated temperature compensated crystal oscillator TCXO and crystal The device contains a battery input terminal which can maintain accurate timing when the main power supply is disconnected The integrated crystal oscillator improves the long term accuracy of the device and reduces the number of components in the production line DS3231 offers commercial and industrial temperature ranges and is packaged in a 16 pin 300mil S0package The module comes with 2 positioning holes which is convenient for you to fix the module to other devices Specifications Working voltage DC 3 3 5VInterface 4PIN interfaceCommunication interface IIC interface the highest transmission speed is 400KHz Clock accuracy 0 40℃ accuracy is 2ppmSize 36 22 7mmPackage Included 1 x3231 Clock Module battery not includes the other items are not includes