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| PartNumber | DS1746W-120+ | DS1746W-120IND+ | DS1746WP-120+ |
| Description | Real Time Clock Timekeeping NV RAM | Real Time Clock Timekeeping NV RAM | Real Time Clock Timekeeping NV RAM |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | Through Hole | SMD/SMT |
| Package / Case | EDIP-32 | eDIP-32 | PowerCap Module-34 |
| RTC Bus Interface | Parallel | Parallel | Parallel |
| Date Format | YYYY-MM-DD | - | DW:DM:M:Y |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| RTC Memory Size | 131072 B | 131072 B | 128 kB |
| Supply Voltage Max | 3.63 V | 3.63 V | 3.63 V |
| Supply Voltage Min | 2.97 V | 2.97 V | 2.97 V |
| Minimum Operating Temperature | 0 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 85 C | + 70 C |
| Packaging | Tube | Tube | Tube |
| Function | Calendar, Clock, NV Timekeeping RAM | Calendar, Clock, NV Timekeeping RAM | Calendar, Clock, NV Timekeeping RAM |
| Product | Real Time Clocks | Real Time Clocks | Real Time Clocks |
| Series | DS1746W | DS1746W | DS1746WP |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Operating Supply Current | 85 mA | - | 30 mA |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 11 | 11 | 40 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1746W+120 DS1746W | 90-1746W+12I DS1746W | 90-1746W+P12 DS1746WP |
| Battery Backup Switching | - | - | Backup Switching |
| Moisture Sensitive | - | - | Yes |
| Unit Weight | - | - | 0.254325 oz |