Low power consumption
The complete calendar clock functions include seconds, minutes , hours, day , date , month and year time
1Hz and 32.768kHz output
Reset button to output and input jitter
High-speed (400kHz) I2C serial bus
+ 2.3V to + 5.5V supply voltage
The accuracy of ± 3 ° C digital temperature sensor
-40 ° C to + 85 ° C temperature range , timing accuracy is maintained at ± 5ppm (± 0.432 s / day )
Package include: 4 X DS3231 real time RTC clock module
