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DS1971 256-Bit EEPROM iButton™
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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 § Economically communicates to bus master with a single digital signal at 16.
3k bits per second § Stand...