| PartNumber | DS1990A-F5+ | DS1990A-F3+ |
| Description | Security ICs / Authentication ICs Serial Number iButton | Security ICs / Authentication ICs Serial Number iButton |
| Manufacturer | Maxim Integrated | Maxim Integrated |
| Product Category | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| RoHS | Y | Y |
| Data Bus Width | 64 bit | 64 bit |
| Packaging | Bulk | Bulk |
| Series | DS1990 | DS1990 |
| Brand | Maxim Integrated | Maxim Integrated |
| Product Type | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| Factory Pack Quantity | 100 | 100 |
| Subcategory | Security ICs / Authentication ICs | Security ICs / Authentication ICs |
| Tradename | iButton | iButton |
| Part # Aliases | 90-1990A+F50 DS1990A | 90-1990A+F30 DS1990A |