Description

The PT7C4363 serial real-time clock is a low-power clock/calendar with a programmable square-wave output.

Features

• Using external 32.768kHz quartz crystal

• Supports I2C-Buss high speed mode (400 kHz)

• Includes time (Hour/Minute/Second) and calendar

(Year/Month/Date/Day) counter functions (BCD

code)

• Programmable square wave output signal

• Oscillator stop flag

• Low backup current: typ. 500nA at VDD=3.0V and

TA=25°C

• Operating range: 1.8V to 5.5V