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| PartNumber | DS1744W-120IND+ | DS1744W-120+ | DS1744W-120 |
| Description | Real Time Clock Timekeeping NV RAM | Real Time Clock Timekeeping NV RAM | Real Time Clock |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | N |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | eDIP-28 | EDIP-28 | eDIP |
| RTC Bus Interface | Parallel | Parallel | Parallel |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| RTC Memory Size | 32768 B | 32768 B | 32768 B |
| 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 | - 40 C | 0 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 70 C |
| Packaging | 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 | - |
| Series | DS1744W | DS1744W | DS1744W |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clocks |
| Factory Pack Quantity | 12 | 12 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1744W+12I DS1744W | 90-1744W+120 DS1744W | DS1744W |
| Date Format | - | YYYY-MM-DD | - |
| Operating Supply Current | - | 75 mA | - |
| Unit Weight | - | 0.342157 oz | - |