 | |  | |
| PartNumber | DS1990A-F5+ | DS1990A-F3+ | DS1990A-F3/C4F+ |
| Description | Security ICs / Authentication ICs Serial Number iButton | Security ICs / Authentication ICs Serial Number iButton | Serial Number IButton F3 MicroCan - Rail/Tube (Alt: DS1990A-F3/C4F+) |
| 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 | - |