19-4889; Rev 8/09 SPECIAL FEATURES  4096 bits Electrically Erasable Programmable Read Only Memory (EEPROM)  Overdrive mode boosts communication speed to 142kbps  256-bit scratchpad ensures integrity of data transfer  Memory partitioned into 256-bit pages for packetizing data  Reduces control, address, data and power to a single data pin  8-bit family code specifies DS1973 communication 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 DS1973 4Kb EEPROM iButton COMMON iButton FEATURES  Unique, factory-lasered and tested 64-bit registration number (8-bit family code + 48-bit serial number + 8-bit CRC tester...

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