X24257 - 400kHz 2-Wire Serial EEPROM
X24257 Features
* Save critical data with programmable block lock protection
* Block lock (first page, first 2 pages, first 4 pages, first 8 pages, 1/4, 1/2, or all of EEPROM array)
* Software write protection
* Programmable hardware write protect
* In circuit programmable ROM mode