REAL TIME CLOCK
DS3231 or DS1302
- Operating Voltage: 2.3 – 5.5 Volts
- Operating Temperature: -45 – 80°C
- Maximum Voltage: VCC+0.3 Volts
- Battery Backup Current: 500 mA
- Accuracy at -40 – 80°C: ±3.5 ppm
- Accuracy at 0 – 40°C: ± 2.0 ppm
- Temperature Accuracy: 3°C
- Can function with low voltages
- A programmable Square-wave output as per requirement
- A battery backup to stay updated even if there is no power
- A dual-directional, 400 kHz of I2C interface for speedy transmission
- 32 bytes of EEPROM to read/write or to save data
- RTC can be used either in 12hrs or 24hrs format
- Maintains seconds, minutes, hours, days, weeks, months, years information
- Switches automatically from a power source to an in-built battery source
Price 550 Birr