| PartNumber | DS1248W-120+ | DS1248W-120IND | DS1248W-120 |
| Description | Real Time Clock 1024k NV SRAM w/Phantom Clock | Real Time Clock 1024k NV SRAM w/Phantom Clock | Real Time Clock 1024k NV SRAM w/Phantom Clock |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | EDIP-32 | EDIP-32 | EDIP-32 |
| RTC Bus Interface | Parallel | Parallel, Phantom Clock | Parallel, Phantom Clock |
| Date Format | DW:DM:M:Y | - | - |
| Time Format | HH:MM:SS:hh | HH:MM:SS:hh | HH:MM:SS:hh |
| Battery Backup Switching | Backup Switching | Backup Switching | Backup Switching |
| RTC Memory Size | 128 kB | 131072 B | 131072 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 | 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 | - | - |
| Series | DS1248W | DS1248W | DS1248W |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Type | Real Time Clock | Real Time Clocks | Real Time Clocks |
| Factory Pack Quantity | 10 | 10 | 11 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1248W+120 DS1248W | DS1248W | DS1248W |