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    | Type | Description | 
|---|---|
| rohs: | RoHS | 
| type: | Clock/Calendar | 
| features: | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 
| interface: | SPI | 
| date format: | YY-MM-DD-dd | 
| memory size: | 7B | 
| part status: | Active | 
| time format: | HH:MM:SS:hh (24 hr) | 
| mounting type: | Surface Mount | 
| package / case: | 16-VQFN Exposed Pad | 
| voltage - supply: | 3V ~ 5.5V | 
| operating temperature: | -40°C ~ 85°C | 
| supplier device package: | 16-QFN (4x4) | 
| voltage - supply, battery: | 1.8V ~ 5.5V | 
| current - timekeeping (max): | 10μA @ 5.5V |