| PartNumber | DS1747W-120IND+ | DS1747WP-120+ | DS1747W-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 | Through Hole |
| Package / Case | eDIP-32 | PowerCap Module-34 | EDIP-32 |
| RTC Bus Interface | Parallel | Parallel | Parallel |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| RTC Memory Size | 524288 B | 524288 B | 512 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 | - 40 C | 0 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 70 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 | DS1747W | DS1747WP | DS1747W |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 10 | 40 | 10 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 90-1747W+12I DS1747W | 90-1747W+P12 DS1747WP | 90-1747W+120 DS1747W |
| Date Format | - | YYYY-MM-DD | DW:DM:M:Y |
| Moisture Sensitive | - | Yes | - |
| Operating Supply Current | - | 85 mA | - |