Jenis: Clock/Calendar, ciri-ciri: Alarm, Leap Year, Format masa: HH:MM:SS (12/24 hr), Format tarikh: YY-MM-DD-dd, Antara muka: I²C, 2-Wire Serial,
Jenis: Clock/Calendar, ciri-ciri: Alarm, Leap Year, Format masa: HH:MM:SS (12/24 hr), Format tarikh: YY-MM-DD-dd, Antara muka: 3-Wire Serial,