| Type | Description | 
| rohs: | RoHS | 
| type: | Clock/Calendar | 
| features: | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 
| interface: | I2C, 2-Wire Serial | 
| date format: | YY-MM-DD-dd | 
| memory size: | 128B | 
| part status: | Active | 
| time format: | HH:MM:SS:hh (24 hr) | 
| mounting type: | Surface Mount | 
| package / case: | 20-SSOP (0.209", 5.30mm Width) | 
| voltage - supply: | 2.7V ~ 3.6V | 
| operating temperature: | -40°C ~ 85°C | 
| supplier device package: | 20-SSOP | 
| voltage - supply, battery: | 2.5V ~ 3.6V | 
| current - timekeeping (max): | 0.5mA @ 2.7V ~ 3.6V |