R1EX25002ASA00A/R1EX25004ASA00A R1EX25002ATA00A/R1.
Renesas Technology
R1EX25002ASA00A - Serial Peripheral Interface Electrically Erasable and Programmable Read Only Memory
R1EX25002ASA00A/R1EX25004ASA00A R1EX25002ATA00A/R1EX25004ATA00A Serial Peripheral Interface 2k EEPROM (256-word × 8-bit) 4k EEPROM (512-word × 8-bit) .