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| PartNumber | NJU6356ED | NJU6356EM | NJU6356E |
| Description | Real Time Clock Serial I/O Real Time Clock | Real Time Clock Serial I/O Real Time Clock | |
| Manufacturer | NJR | NJR | NJR |
| Product Category | Real Time Clock | Real Time Clock | Clock/Timing - Real Time Clocks |
| RoHS | Y | Y | Details |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | DIP-8 | DMP-8 | VFQFPN-56 |
| RTC Bus Interface | Serial | Serial | - |
| Time Format | HH:MM:SS | HH:MM:SS | - |
| Battery Backup Switching | No Backup Switching | No Backup Switching | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2 V | 2 V | - |
| Minimum Operating Temperature | - 30 C | - 30 C | - |
| Maximum Operating Temperature | + 80 C | + 80 C | - |
| Packaging | Tube | Tube | Tray |
| Function | Alarm, Calendar, Clock, Low Battery Detect, Timer | Alarm, Calendar, Clock, Low Battery Detect, Timer | - |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | NJU6356 | NJU6356 | 9ERS3125 |
| Brand | NJR | NJR | IDT |
| Product Type | Real Time Clock | Real Time Clock | - |
| Factory Pack Quantity | 2000 | 2000 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Tradename | NJU6356 | NJU6356 | - |
| Unit Weight | 0.080001 oz | - | - |
| Part # Aliases | - | - | 9ERS3125 ICS9ERS3125BKILF |