DS1982 Datasheet | Dallas Semiconductor

DS1982 1-kbit Add-Only iButtonTM .iButton. SPECIAL Features 1024 bits Electrically Programmable ReadOnly Memory (EPROM) municates 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 write-protected 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...