PT7C433833 Description
The PT7C4338 serial real-time clock is a low-power clock/calendar with a programmable square-wave output and 56 bytes of nonvolatile RAM. 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.
PT7C433833 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
- 56-byte, battery-backed, nonvolatile (NV) RAM for data storage
- Automatic power-fail detect and switch circuitry of battery backup
- UL Recognized: E348121
- 1, 4.096k, 8.192k, 32.768k 568