19-4891; Rev 8/09 SPECIAL FEATURES  1024 bits Electrically Programmable ReadOnly Memory (EPROM) communicates with the economy of one signal plus ground  EPROM partitioned into four 256-bit pages for randomly accessing packetized data  Each memory page can be permanently writeprotected to prevent tampering  Device is an “add only” memory where additional data can be programmed into EPROM without disturbing existing data  Architecture allows software to patch data by superseding an old page in favor of a newly programmed page  Reduces control, address, data, power, and programming signals to a single data pin  8-bit family code specifies DS1982 communications requirements to reader  R...

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