HN58X2402SI/HN58X2404SI Two-wire serial interface .
HN58X2404SI - Two-wire serial interface (2k EEPROM 256-word x 8-bit) 4k EEPROM (512-word x 8-bit)
HN58X2402SI/HN58X2404SI Two-wire serial interface 2k EEPROM (256-word × 8-bit) 4k EEPROM (512-word × 8-bit) ADE-203-1105A (Z) Rev. 1.0 Nov. 30, 2000 .