| Part Number | DS1985U |
| Manufacturer | Dallas Semiconductor |
| Title | (DS1982U - DS1986U) Uniqueware Ibutton |
| Description | UniqueWare iButtons are factory programmed versions of the DS1982 (1024 bit), the DS1985 (16K bit) and the DS1986 (64K bit) Add–Only iButtons, res... |
| Features |
1024 bits, 16K bits or 64K bits Electrically Programmable Read Only Memory (EPROM) communicates with the economy of one signal plus ground Unique, factory lasered and tested 64 –bit registration number (8 –bit family code, 36 –bit serialization, 12 –bit ... |
| Datasheet |
 DS1985U Datasheet
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