www.DataSheet.co.kr Advanced CAT24C161/162(16K),.
CAT24C021 - Serial CMOS E2PROM / Precision Reset Controller and Watchdog Timer
KS24C010 - (KS24C010 / KS24C011 / KS24C020 / KS24C021) 1024/2048-bit serial eeprom
KS24C020 - (KS24C010 / KS24C011 / KS24C020 / KS24C021) 1024/2048-bit serial eeprom
KS24C011 - (KS24C010 / KS24C011 / KS24C020 / KS24C021) 1024/2048-bit serial eeprom
KS24C021 - (KS24C010 / KS24C011 / KS24C020 / KS24C021) 1024/2048-bit serial eeprom