Feature

●Devices include battery input and can be precisely maintained when the main power is off. Temperature compensated crystal oscillators improve the long-term accuracy of the device and reduce the number of components in the production line.
●DS3231 clock module mainly uses high-precision clock chip DS3231.
●This is an integrated temperature compensation crystal oscillator (TCXO) and crystal with low cost precision I2C real-time clock (RTC).
●The DS3231 is available in commercial and industrial temperature ranges and uses a 16-pin 300mil SO package.


Description

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Specifications
Operating Voltage: 3.3-5V (DC)
Interface: 4PIN interface
Communication interface: IIC BI, maximum transmission speed of 400 kHz (working voltage of 5 V).
Watch accuracy: 0-40 degrees Celsius range, 2 ppm accuracy, 1 minute annual error.
Weight: 3.5 grams

Shipping List
DS3231 clock module x 1