DS1971

19-4734; Rev 7/09 SPECIAL FEATURES  256-bit Electrically Erasable Programmable Read Only Memory (EEPROM) communicates with the economy of one signal plus ground  EEPROM organized as one 256-bit page  64-bit one-time programmable application register is automatically write-protected after programming  Reduces control, address, data, power, and programming signals to a single data pin  8-bit family code specifies DS1971 communications requirements to reader  Reads and writes over a wide voltage range of 2.8V to 6.0V from -40°C to +85°C F3 MicroCan F5 MicroCan DS1971 256-Bit EEPROM iButton COMMON iButton FEATURES  Unique, factory-lasered and tested 64-bit registration number (8-bit family code + 48bit serial number + 8-bit CRC tester) assures absolute traceability because no two parts are alike  Multidrop controller for MicroLAN  Digital identification and information by momentary contact  Chip-based data carrier compactly stores information  Data can...