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| PartNumber | PT7C4302AWEX | PT7C4302AUEX | PT7C4302 |
| Description | Real Time Clock Real Time Clock SO-8 T&R 2.5K | Real Time Clock Real Time Clock MSOP-8 T&R 2.5K | |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Pericom |
| Product Category | Real Time Clock | Real Time Clock | IC Chips |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SO-8 | MSOP-8 | - |
| RTC Bus Interface | Serial, 3-Wire | Serial, 3-Wire | - |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd |
| Time Format | HH:MM:SS (12 hr, 24 hr) | HH:MM:SS (12 hr, 24 hr) | HH:MM:SS (12/24 hr) |
| Battery Backup Switching | Backup Switching | Backup Switching | - |
| RTC Memory Size | 31 B | 31 B | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 1.5 V | 1.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Reel | Tube Alternate Packaging |
| Function | Calendar, Clock | Calendar, Clock | - |
| Product | Real Time Clocks | Real Time Clocks | - |
| Type | Real Time Clock Module | Real Time Clock Module | Clock/Calendar |
| Brand | Diodes Incorporated | Diodes Incorporated | - |
| Product Type | Real Time Clock | Real Time Clock | - |
| Factory Pack Quantity | 2500 | 2500 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Series | - | - | PT7C4302 |
| Package Case | - | - | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Leap Year, NVSRAM, Square Wave Output, Trickle-Charger |
| Interface | - | - | 3-Wire Serial |
| Voltage Supply | - | - | 1.2 V ~ 5.5 V |
| Supplier Device Package | - | - | 8-SOIC |
| Memory Size | - | - | 31B |
| Voltage Supply Battery | - | - | 1.5 V ~ 5.5 V |
| Current Timekeeping Max | - | - | 25.3μA ~ 81μA @ 2V ~ 5V |