The A25L032M-F is a 32M x 1-bit low voltage dual-I/O Serial Flash Memory with advanced write protection mechanisms, accessed by a high speed SPI-compatible bus. The memory can be programmed 1 to 256 bytes at a time, using the Page Program instruction. The memory is organized as 64 blocks, each containing 16 sectors. Each sector is composed of 16 pages. The whole memory can be erased using the chip erase instruction, a block at a time, using block erase instruction or a sector at a time, using the sector erase instruction.