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The DS9104 Digital Decoder Ring is a portable database disguised as jewelry with the DS1996 Memory iButton® as signet. Data is transferred serially using the 1-Wire® protocol through a simple interface. Data is first written to a scratchpad, verified, and then transferred to NV memory. The 64-bit serial number guarantees that each ring is unique and traceable. The ring communicates by touch through a parallel or serial port interface. Applications include access control to buildings, doors, and computers and digitized storage of personal information. Note: Rings cannot be resized as the iButton will not withstand the high temperatures required.
| PART NO | RING SIZE
(US/Canadian) | DIAMETER
(mm) | | DS9104-060 | 6 | 16.4 | | DS9104-065 | 6-1/2 | 16.8 | | DS9104-070 | 7 | 17.3 | | DS9104-075 | 7-1/2 | 17.7 | | DS9104-080 | 8 | 18.1 | | DS9104-085 | 8-1/2 | 18.5 | | DS9104-090 | 9 | 18.9 | | DS9104-095 | 9-1/2 | 19.3 | | DS9104-100 | 10 | 19.7 | | DS9104-105 | 10-1/2 | 20.1 | | DS9104-110 | 11 | 20.6 | | DS9104-115 | 11-1/2 | 21.0 | | DS9104-120 | 12 | 21.4 |
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