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| Manufacturer | STMicroelectronics |
| Packaging | Tube |
| Series | Timekeeper® |
| Part Status | Obsolete |
| Type | Clock/Calendar |
| Features | Leap Year, NVSRAM |
| Memory Size | 32KB |
| Time Format | HH:MM:SS:hh (24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage - Supply | 4.5 V ~ 5.5 V |
| Voltage - Supply, Battery | 2.5 V ~ 3.5 V |
| Current - Timekeeping (Max) | 2.5mA @ 4.5V ~ 5.5V |
| Operating Temperature | -25°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT |
| Supplier Device Package | 44-SOH |
| Standard Package | 28 |
IC RTC CLK CALENDAR I2C 16-SOIC
IC RTC BINARY CNT I2C 8-USOP
IC RTC CLK CALENDAR I2C 14 TSSOP
IC RTC CLK CALENDAR PAR 24-SOP
IC RTC CLK CALENDAR I2C 8 DIP
IC RTC CLK CALENDAR I2C 8-SOIC
IC RTC CLK CALENDAR I2C 16-SOIC
IC RTC PHANTOM PAR 34-PCM
IC RTC CLK CALENDAR I2C 14-SOIC
IC RTC CLK CALENDAR I2C 8-UTDFN
IC RTC CLK CALENDAR PAR 18-DIP
IC RTC CLK CALENDAR PAR 24-SOIC
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