www.DataSheet4U.com HN58X2402/HN58X2404/HN58X2408.
HN58X2404SI - Two-wire serial interface (2k EEPROM 256-word x 8-bit) 4k EEPROM (512-word x 8-bit)
HN58X2404SFPIAG - EEPROM
HN58X2404 - EEPROM