DS3231 High Precision Clock

1. Within the temperature range of -40°C to +85°C, the timing accuracy is maintained at °5ppm (°0.432 seconds/day)

2. Provide battery backup for continuous timing

3. Low power consumption

4. The device package and function are compatible with DS3231

5. The complete clock calendar function includes seconds, minutes, hours, week, date, month and year timing, and provides leap year compensation valid up to 2100 years

6. Two calendar alarm clocks

7.1Hz and 32.768kHz output

8. Reset output and button debounce input

9. High speed (400kHz) I2C serial bus

10. +2.3V to +5.5V supply voltage

11. Digital temperature sensor with accuracy of °3°C

12.-40°C to +85°C operating temperature range

13.16-lead SO (300mil) package