| PartNumber | 1339-31DVGI | 1339-31DCGI | 1339-31DCGI8 |
| Description | Real Time Clock Real Time Clock | Real Time Clock Real Time Clock | Real Time Clock Real Time Clock |
| Manufacturer | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Package / Case | TSSOP-8 | SOIC-8 | SOIC-8 |
| Packaging | Tube | Tube | Reel |
| Height | 0.97 mm | 1.5 mm | 1.5 mm |
| Length | 3 mm | 4.9 mm | 4.9 mm |
| Series | 1339 | 1339 | 1339 |
| Width | 3 mm | 3.9 mm | 3.9 mm |
| Brand | IDT | IDT | IDT |
| Moisture Sensitive | Yes | - | - |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 96 | 97 | 2500 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 1339 IDT1339-31DVGI | 1339 IDT1339-31DCGI | 1339 IDT1339-31DCGI8 |
| Unit Weight | 0.005573 oz | 0.019048 oz | 0.019048 oz |
| Mounting Style | - | SMD/SMT | - |
| RTC Bus Interface | - | Serial, I2C | - |
| Date Format | - | YY-MM-DD-dd | - |
| Time Format | - | HH:MM:SS (12 hr, 24 hr) | - |
| Battery Backup Switching | - | Backup Switching | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 3.3 V | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Function | - | Calendar, Clock | - |
| Product | - | Real Time Clocks | - |
| Type | - | Serial RTC | - |
| Operating Supply Current | - | 450 uA | - |