規格
| 屬性 | 價值 |
| Supplier | STMicroelectronics |
| Package / Case | Tube |
| Part Status | Obsolete |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, SRAM, Watchdog Timer |
| Memory Size | 7B |
| Time Format | HH:MM:SS:hh (24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage - Supply | 2.7V ~ 5.5V |
| Voltage - Supply, Battery | 2V ~ 5.5V |
| Current - Timekeeping(Max) | 10µA @ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
