EEPROM, Random Access Memory, Parallel F-RAM Memory, Serial flash memory

 FM22L16 Series 4 Mb (256 K x 16) 3 V 55 ns Parallel F-RAM Memory - TSOP-44

https://www.futureelectronics.com/p/semiconductors--memory--RAM--nvram--fram-mram/fm22l16-55-tg-cypress-5809744