規格
| 屬性 | 價值 |
| Supplier | STMicroelectronics |
| Package / Case | Tube |
| Part Status | Obsolete |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer |
| Memory Size | 44B |
| Time Format | HH:MM:SS:hh (24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage - Supply | 2.7V ~ 3.6V |
| Voltage - Supply, Battery | 2.5V ~ 3.5V |
| Current - Timekeeping(Max) | 0.5mA @ 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
