16 Kbit, 8 Kbit, 4 Kbit, 2 Kbit and 1 Kbit serial I²C bus EEPROM 512 Kbit and 256 Kbit serial I²C bus EEPROM with three Chip Enable lines 512 Kbit and 256 Kbit serial I²C bus EEPROM with three Chip Enable lines 型DC - DC电压转换 16 Kbit, 8 Kbit, 4 Kbit, 2 Kbit and 1 Kbit serial I²C bus EEPROM 型DC - DC电压转换