DS1972 - 1024-Bit EEPROM iButton
DS1972 Features
* 1024 Bits of EEPROM Memory Partitioned into Four Pages of 256 Bits Individual Memory Pages can be Permanently Write Protected or Put in EPROM-Emulation Mode ("Write to 0") Switchpoint Hysteresis and Filtering to Optimize Performance in the Presence of Noise IEC 10