DS3231 Real Time Clock Module for 3.3V/5V with battery For Raspberry Pi

Raspberry Pi foreign highest precision clock module DS3231

Note board can also use this module .

Module itself can adapt to 3.3V and 5V system without level conversion , this is a super easy !

two. characteristic:

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

2. Continuous Timekeeping Battery Backup

3. Low power consumption

4. The device package, and functionally compatible with the DS3231

5. The complete calendar clock functions include seconds, minutes , hours, day , date , month and year time, and provide valid until 2100 Leap Year Compensation

6. The two -day alarms

7.1Hz and 32.768kHz output

8. Reset button to output and input jitter

9. High-speed (400kHz) I2C serial bus

10. + 2.3V to + 5.5V supply voltage

11. The accuracy of ± 3 ° C digital temperature sensor

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

13.16 Pin SO (300mil) package

14. Underwriters Laboratories (UL) certification