NOR Flash Memory, Flash memory drives, what is flash memory, Usb flash drives - tatanh1983/conchodom GitHub Wiki SST39SF Series 4 Mbit 512 K x 8 5 V Multi-Purpose Flash - PLCC-32 https://www.futureelectronics.com/p/semiconductors--memory--flash--norflash--nor/sst39sf040-70-4c-nhe-microchip-6467633