آی سی

I2C Real Time Clock/Calendar ■Provides Year, Month, Day, Weekday, Hours, Minutes and Seconds Information Consumption: 0.25μA at VDD = 3.0 V ■I2C-bus Interface ■Programmable Clock Output (32.768 kHz, 1024 Hz, 32 Hz and 1 Hz) ■Alarm and Timer Functions ■Built-in Power Voltage Detecting Circuit ■I2C-bus Slave Address: Read A3H and Write A2H ■Open-Drain Interrupt Pin