Interface Modules NXP PCF8523TK/1

Bus type: Serial (I2C)

Function: Clock/Calendar/Alarm/Timer/Battery Backup

Date format: DW:DM:M:Y

Time format: HH:MM:SS

Supply current: 1.2V

Maximum rated power: 5.5V

Power-supply voltage: 1.8|2.5|3.3|5V

Number of poles of the contact point: 8

Datasheet