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| PartNumber | DS1501YEN+ | DS1501YEN |
| Description | Real Time Clock Y2K-Compliant Watchdog | Real Time Clock |
| Manufacturer | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock |
| RoHS | Y | N |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | TSOP-28 | TSOP |
| RTC Bus Interface | Parallel | Parallel |
| Date Format | YYYY-MM-DD | - |
| Time Format | HH:MM:SS | HH:MM:SS |
| RTC Memory Size | 256 B | 256 B |
| Supply Voltage Max | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C |
| Packaging | Tube | - |
| Function | Alarm, Calendar, Clock, Watchdog Timekeeper | Alarm, Calendar, Clock, Watchdog Timekeeper |
| Series | DS1501YEN | DS1501YEN |
| Brand | Maxim Integrated | Maxim Integrated |
| Moisture Sensitive | Yes | Yes |
| Product Type | Real Time Clocks | Real Time Clocks |
| Factory Pack Quantity | 234 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1501Y+EN0 DS1501YEN | - |
| Unit Weight | 0.071253 oz | 0.000705 oz |