| 14-TSSOP | HH:MM:SS:hh (12/24 hr) | Surface Mount | 2.7 V | 5.5 V | 70 °C | 0 °C | 0.173 " | 4.4 mm | 14-TSSOP | 2-Wire Serial, I2C | 20 µA | 10 µA | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.8 V | 5.5 V | | |
| 14-TSSOP | HH:MM:SS:hh (12/24 hr) | Surface Mount | 4.5 V | 5.5 V | 85 °C | -40 °C | 0.173 " | 4.4 mm | 14-TSSOP | 2-Wire Serial, I2C | 20 µA | 10 µA | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.8 V | 5.5 V | | |
| 14-TSSOP | HH:MM:SS:hh (12/24 hr) | Surface Mount | 2.7 V | 5.5 V | 85 °C | -40 °C | 0.173 " | 4.4 mm | 14-TSSOP | 2-Wire Serial, I2C | 20 µA | 10 µA | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.8 V | 5.5 V | | |
| 14-TSSOP | HH:MM:SS:hh (12/24 hr) | Surface Mount | 2.7 V | 5.5 V | 85 °C | -40 °C | 0.173 " | 4.4 mm | 14-TSSOP | 2-Wire Serial, I2C | 20 µA | 10 µA | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.8 V | 5.5 V | | |
| 16-SOIC | HH:MM:SS:hh (12/24 hr) | Surface Mount | 4.5 V | 5.5 V | 70 °C | 0 °C | | | 16-SOIC | 2-Wire Serial, I2C | 20 µA | 10 µA | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.8 V | 5.5 V | 0.295 in | 7.5 mm |
| 16-SOIC | HH:MM:SS:hh (12/24 hr) | Surface Mount | 2.7 V | 5.5 V | 85 °C | -40 °C | | | 16-SOIC | 2-Wire Serial, I2C | 20 µA | 10 µA | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.8 V | 5.5 V | 0.295 in | 7.5 mm |
| 14-TSSOP | HH:MM:SS:hh (12/24 hr) | Surface Mount | 4.5 V | 5.5 V | 70 °C | 0 °C | 0.173 " | 4.4 mm | 14-TSSOP | 2-Wire Serial, I2C | 20 µA | 10 µA | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.8 V | 5.5 V | | |
| 14-TSSOP | HH:MM:SS:hh (12/24 hr) | Surface Mount | 4.5 V | 5.5 V | 70 °C | 0 °C | 0.173 " | 4.4 mm | 14-TSSOP | 2-Wire Serial, I2C | 20 µA | 10 µA | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.8 V | 5.5 V | | |
| 16-SOIC | HH:MM:SS:hh (12/24 hr) | Surface Mount | 2.7 V | 5.5 V | 70 °C | 0 °C | | | 16-SOIC | 2-Wire Serial, I2C | 20 µA | 10 µA | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.8 V | 5.5 V | 0.295 in | 7.5 mm |
| 14-TSSOP | HH:MM:SS:hh (12/24 hr) | Surface Mount | 4.5 V | 5.5 V | 70 °C | 0 °C | 0.173 " | 4.4 mm | 14-TSSOP | 2-Wire Serial, I2C | 20 µA | 10 µA | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.8 V | 5.5 V | | |