HN58X25128I
HN58X25256I
Serial Peripheral Interface
128k EEPROM (16-kword × 8-bit)
256k EEPROM (32-kword × 8-bit)
Electrically Erasable and Programmable Read Only Memory
REJ03C0059-0100Z
(Previous ADE-203-1371 (Z) Rev.0.0)
Rev. 1.00
Jun. 20, 2003
Description
HN58X25xxx Series is the Serial Peripheral Interface (SPI) EEPROM (Electrically Erasable and
Programmable ROM). It realizes high speed, low power consumption and a high level of reliability by
employing advanced MONOS memory technology and CMOS process and low voltage circuitry technology.
It also has a 64-byte page programming function to make it’s write operation faster.
Note: Renesas Technology’s serial EEPROM are authorized for using consumer applications such as
cellular phones, camcorders, audio equipments. Therefore, please contact Renesas Technology’s
sales office before using industrial applications such as automotive systems, embedded controllers,
and meters.
Rev.1.00, Jun.20.2003, page 1 of 27
