Patohia: Clock/Calendar, Āhuahira: Alarm, Leap Year, Square Wave Output, Hōpututanga Wā: HH:MM:SS (12/24 hr), Hōpututanga Ra: YY-MM-DD-dd, Atanga: I²C, 2-Wire Serial,
Patohia: Clock/Calendar, Āhuahira: Leap Year, NVSRAM, Square Wave Output, Rahinga Mahara: 56B, Hōpututanga Wā: HH:MM:SS (12/24 hr), Hōpututanga Ra: YY-MM-DD-dd, Atanga: I²C, 2-Wire Serial,
Patohia: Clock/Calendar, Āhuahira: Alarm, Leap Year, Square Wave Output, Trickle-Charger, Hōpututanga Wā: HH:MM:SS (12/24 hr), Hōpututanga Ra: YY-MM-DD-dd, Atanga: I²C, 2-Wire Serial,