IS23SC4428 - 1-KBYTE EEPROM
IS23SC4418 IS23SC4418 contains 1024 x 8 bits of EEPROM with programmable write protection for each byte.
Random read access to any byte in the memory is always possible.
The memory can also be erased and written byte by byte.
Erasing old data in the byte location must be performed before new data ca