PT7C4563 Overview
The PT7C4563 serial real-time clock is a low-power clock/calendar with a programmable square-wave output. Address and data are transferred serially via a 2-wire bidirectional bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information.
PT7C4563 Key Features
- Using external 32.768kHz quartz crystal
- Supports I2C-Bus's high speed mode (400 kHz)
- Includes time (Hour/Minute/Second) and calendar
- Programmable square wave output signal
- Oscillator stop flag
- Low backup current: typ. 400nA at VDD=3.0V and TA=25°C
- Operating range: 1.3V to 5.5V
- 2013-06-0002