4Kb 2-Wire Serial EEPROM, SOIC-8, 4.5V-5.5V, -40°C-125°C
4Kb 2-Wire Serial EEPROM, 4mA, 125°C, PDIP-8, Lead Free
Integrated Circuit Memory 93C66/NM93C66N FAIRCHILD EEPROM X8=512 N8