PT7C4339C
Description
The PT7C4339 real-time clock is a low-power clock/calendar device with two programmable time-of- day alarms and a programmable square-wave output. Address and data are transferred serially through an I2C bus.
Key Features
- Real-Time Clock (RTC) Including Time (Seconds, Minutes and Hours) and Calendar (Day, Date, Month and Year with Leap-Year Compensation Valid Up to 2100) counter functions (BCD code)
- Available in a Surface-Mount Package with an Integrated Crystal (Only for PT7C4339C)
- I2C Serial Interface supports I2C-Bus's high speed mode (400 kHz)
- Programmable square wave output signal, defaults to 32 kHz on Power-up
- Two Time-of-Day Alarms
- Oscillator Stop Flag
- Automatic Power-Fail Detect and Switch Circuitry
- Temperature Range: -40°C to +85°C
- Package: MSOP-8L and SOIC-8L for PT7C4339 TDFN4x4-8L for PT7C4339C
