Parallel flash memory ic, SPI EEPROM, Random Access Memory, EEPROM reader,

 EEPROM Memory IC 256Kb (32K x 8) Parallel 90ns 32-PLCC (11.43x13.97)

https://www.futureelectronics.com/p/semiconductors--memory--RAM--eeprom--parallel/x28hc256jiz-90-renesas-1125034