M29DW640F 64 Mbit (8Mb x8 or 4Mb x16, Multiple Ban.
STMicroelectronics
M29DW640F - 64 Mbit 3V Supply Flash Memory
M29DW640F 64 Mbit (8Mb x8 or 4Mb x16, Multiple Bank, Page, Boot Block) 3V Supply Flash Memory Feature summary ■ Supply voltage – VCC = 2.7V to 3.6V f.