Flash programming, SPI serial flash, non-volatile computer memory storage

 MX25R8035F Series 8 Mb (x 1/x 2/x 4) 3.6 V 33 MHz Flash Memory - SOP-8

https://www.futureelectronics.com/p/semiconductors--memory--flash--norflash--serial/mx25r8035fm1il0tr-macronix-2078457