FEATURES Family of Serial Flash Memories – W25X40CL: 4M-bit/512K-byte (524,288) – 256-bytes per programmable page – Uniform erasable 4KB, 32KB & 64KB regions. SPI with Single / Dual Outputs / I/O – Standard SPI: CLK, /CS, DI, DO, /WP, /Hold – Dual SPI: CLK, /CS, IO0, IO1, /WP, /Hold Data Transfer up to 208M-bits / second – Clock operation to 104MHz –208MHz equivalent Dual SPI – Auto-increment Read capability Efficient “Continuous Read Mode” – Low Instruction overhead – Continuous Read – As few as 16 clocks to address memory – Allows true XIP (execute in place) operation Flexible Architecture with 4KB sectors – Uniform Sector/Block Erase (4/32/64-kbytes) – Page program up to 256 bytes <1ms – More than 100,000 erase/write cycles – More than 20-year data retention Low Power, Wide Temperature Range – Single 2.3V to 3.6V supply – 1mA active current, <1μA Power-down(typ.) – -40° to +85°C operating range Space Efficient Packaging – 8-pin SOIC 150-mil / VSOP 150-mil – 8-pin SOIC 208-mil – 8-pin PDIP 300-mil – 8-pad WSON 6x5-mm – 8-pad USON 2x3-mm – 8-pin PDIP 300-mil – Contact Winbond for KGD and other options