PT7C4300 Description
The PT7C4300 serial real-time clock is a low-power clock/calendar with a programmable square-wave output....
PT7C4300 Key Features
- Using external 32.768kHz quartz crystal Supports I2C-Bus's high speed mode (400 kHz) Includes time (Hour/Minute/Second)
- Automatic power-fail detect and switch circuitry of battery backup Operating range: 2.0V to 5.5V Software clock calibrat