| PartNumber | 1337DCGI8 | 1337DCGI | 1337DVGI |
| Description | IC RTC CLK/CALENDAR I2C 8-SOIC | IC RTC CLK/CALENDAR I2C 8-SOIC | IC RTC CLK/CALENDAR I2C 8-MSOP |
| Manufacturer | - | IDT, Integrated Device Technology Inc | IDT, Integrated Device Technology Inc |
| Product Category | - | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
| Series | - | - | - |
| Type | - | Clock/Calendar | Clock/Calendar |
| Packaging | - | Tube | Tube Alternate Packaging |
| Package Case | - | 8-SOIC (0.154", 3.90mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Features | - | Alarm, Leap Year, Square Wave Output | Alarm, Leap Year, Square Wave Output |
| Interface | - | I2C, 2-Wire Serial | I2C, 2-Wire Serial |
| Voltage Supply | - | 1.8 V ~ 5.5 V | 1.8 V ~ 5.5 V |
| Supplier Device Package | - | 8-SOIC | 8-TSSOP |
| Memory Size | - | - | - |
| Time Format | - | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) |
| Date Format | - | YY-MM-DD-dd | YY-MM-DD-dd |
| Voltage Supply Battery | - | - | - |
| Current Timekeeping Max | - | 0.6μA @ 1.3V ~ 1.8V | 0.6μA @ 1.3V ~ 1.8V |