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| PartNumber | 1339-31DCGI | 1339-31DCGI8 | 1339-31DVG |
| Description | 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 Inc |
| Product Category | Real Time Clock | Real Time Clock | Clock/Timing - Real Time Clocks |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOIC-8 | SOIC-8 | - |
| RTC Bus Interface | Serial, I2C | - | - |
| Date Format | YY-MM-DD-dd | - | YY-MM-DD-dd |
| Time Format | HH:MM:SS (12 hr, 24 hr) | - | HH:MM:SS (12/24 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 | - | - |
| Packaging | Tube | Reel | Tube Alternate Packaging |
| Function | Calendar, Clock | - | - |
| Height | 1.5 mm | 1.5 mm | - |
| Length | 4.9 mm | 4.9 mm | - |
| Product | Real Time Clocks | - | - |
| Series | 1339 | 1339 | 1339 |
| Type | Serial RTC | - | Clock/Calendar |
| Width | 3.9 mm | 3.9 mm | - |
| Brand | IDT | IDT | - |
| Operating Supply Current | 450 uA | - | - |
| Product Type | Real Time Clock | Real Time Clock | - |
| Factory Pack Quantity | 97 | 2500 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Part # Aliases | 1339 IDT1339-31DCGI | 1339 IDT1339-31DCGI8 | 1339 IDT1339-31DVGI |
| Unit Weight | 0.019048 oz | 0.019048 oz | 0.005573 oz |
| Package Case | - | - | TSSOP-8 |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Alarm, Leap Year, Square Wave Output, Trickle-Charger |
| Interface | - | - | I2C, 2-Wire Serial |
| Voltage Supply | - | - | 3.3 V ~ 5.5 V |
| Supplier Device Package | - | - | 8-TSSOP |
| Memory Size | - | - | - |
| Voltage Supply Battery | - | - | 1.3 V ~ 3.7 V |
| Current Timekeeping Max | - | - | 200μA @ 3.63V ~ 5.5V |