25Q40; W25Q40; W25Q40BV

Datasheet 25Q40; W25Q40; W25Q40BV​

4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

FEATURES

• Family of SpiFlash Memories
• W25Q40BV: 4M-bit/512K-byte (524,288)
• 256-byte per programmable page
• Standard SPI: CLK, /CS, DI, DO, /WP, /Hold
• Dual SPI: CLK, /CS, IO0, IO1, /WP, /Hold
• Quad SPI: CLK, /CS, IO0, IO1, IO2, IO3
• Highest Performance Serial Flash
• 104MHz Dual/Quad SPI clocks
• 208/416MHz equivalent Dual/Quad SPI
• 50MB/S continuous data transfer rate
• Up to 8X that of ordinary Serial Flash
• More than 100,000 erase/program cycles
• More than 20-year data retention
• Efficient “Continuous Read Mode”
• Low Instruction overhead
• Continuous Read with 8/16/32/64-Byte Wrap
• As few as 8 clocks to address memory
• Allows true XIP (execute in place) operation
• Outperforms X16 Parallel Flash