HN58S256AT-20   Datasheet

Hitachi -> Renesas Electronics

256 k EEPROM (32-kword × 8-bit)

Hitachi -> Renesas Electronics

Two-wire serial interface (2k EEPROM 256-word x 8-bit) 4k EEPROM (512-word x 8-bit)

Renesas Electronics

1M EEPROM (128-kword × 8-bit) Ready/Busy and RES function

Renesas Electronics

Two-wire serial interface 8k EEPROM (1-kword × 8-bit)/16k EEPROM (2-kword × 8-bit) 32k EEPROM (4-kword × 8-bit)/64k EEPROM (8-kword × 8-bit)

Hitachi -> Renesas Electronics

Two-wire serial interface (2k EEPROM 256-word x 8-bit) 4k EEPROM (512-word x 8-bit)

Renesas Electronics

256k EEPROM (32-kword × 8-bit) Ready/Busy and RES function (HN58V257A)

Renesas Electronics

64k EEPROM (8-kword × 8-bit) Ready/Busy function, RES function (HN58V66A) Wide Temperature Range version

Renesas Electronics

Serial Peripheral Interface 128k EEPROM (16-kword × 8-bit)/256k EEPROM (32-kword × 8-bit)

Renesas Electronics

Two-wire serial interface 8k EEPROM (1-kword × 8-bit)/16k EEPROM (2-kword × 8-bit) 32k EEPROM (4-kword × 8-bit)/64k EEPROM (8-kword × 8-bit)

Hitachi -> Renesas Electronics

Two-wire serial interface (2k EEPROM 256-word x 8-bit) 4k EEPROM (512-word x 8-bit)