| PartNumber | DS1244WP-120+ | DS1244WP-120IND+ | DS1244WP-120 |
| Description | Real Time Clock 256k NV SRAM w/Phantom Clock | Real Time Clock 256k NV SRAM w/Phantom Clock | Real Time Clock |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | PowerCap-34 | PowerCap-34 | PowerCap-34 |
| RTC Bus Interface | Parallel | - | - |
| Date Format | DW:DM:M:Y | - | - |
| Time Format | HH:MM:SS:hh | - | - |
| RTC Memory Size | 32 kB | - | - |
| Supply Voltage Max | 3.63 V | - | - |
| Supply Voltage Min | 2.97 V | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Packaging | Tube | Tube | - |
| Function | Calendar, Clock, NV SRAM Control | - | - |
| Product | Real Time Clocks | - | - |
| Series | DS1244WP | DS1244WP | DS1244WP |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Real Time Clock | Real Time Clocks | Real Time Clocks |
| Factory Pack Quantity | 40 | 40 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1244W+P12 DS1244WP | 90-1244W+P2I DS1244WP | DS1244WP |