W25Q40BL Datasheet, PDF (29/73 Pages) Winbond – 2.5V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

W25Q40BL
Figure 13b. Fast Read Dual I/O Instruction Sequence (Previous instruction set M5-4 = 10)
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Publication Release Date: July 08, 2010
Preliminary - Revision B