M45PE40-VMN6P

Description The M45PE40 is a 4Mb (512Kb x 8) serial Flash memory device accessed by a highspeed, SPI-compatible bus. The memory can be written or programmed 1 to 256 bytes at a time using the PAGE WRITE or PAGE PROGRAM command. The PAGE WRITE command consists of an integrated PAGE ERASE cycle followed by a PAGE PROGRAM cycle. The memory is organized as 8 sectors, each containing 256 pages. Each page is 256 bytes wide. The entire memory can be viewed as consisting of 2048 pages, or 524,288 bytes. The memory can be erased one page at a time using the PAGE ERASE command or one sector at a time using the SECTOR ERASE command.