65536 bits Electrically Programmable Read Only Memory (EPROM) communicates with the economy of one signal plus ground § Overdrive mode boosts communication speed to 142 k.

include work-in-progress tracking, electronic travelers, access control, storage of calibration constants, and debit tok.

The DS1986 64-kbit Add-Only iButton is a rugged read/write data carrier that identifies and stores relevant information about the product or person to which it is attached. This information can be accessed with minimal hardware, for example a single .

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