What is a flash memory, flash memory ic, flash memory card, SPI Memory ICs

 MX29GL Series 3 V 256 Mb (32M x 8/16M x 16) 90 ns Parallel Flash - TSOP-56

https://www.futureelectronics.com/p/semiconductors--memory--flash--norflash--nor/mx29gl256fht2i-90q-macronix-8014135