DS3231 RTC Module
High Accuracy DS3231 Precise Real Time Clock Module with 32Kbit EEPROM and a built-in 10-bit temperature sensor having a resolution of 0.25C.
The DS3231 Precise Real Time Clock Module 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. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line. The DS3231 is available in commercial and industrial temperature ranges and is offered in a 16-pin, 300-mil SO package.
Specifications:
Operating Voltage Range | 2.7V ~ 5.5V (including 24C32). |
Voltage Supply for RTC | 2.2 V ~ 5.5 V |
Accuracy | ±2ppm from 0°C to +40°C. |
Battery Holder | 2032 Coin Battery. |
I2C interface | Fast (400kHz) I2C Interface. |
EEPROM | AT24C32 32Kbit Serial I2C. |
Time and Date Format | Time: HH: MM: SS (12/24 hr). |
Operating Temperature Range | Commercial (0°C to +70°C) |
Digital Temp Sensor Output | 10 bit, ±3°C Accuracy and 0.25C resolution. |