W25Q20BW Datasheet, PDF (35/70 Pages) Winbond – 1.8V 2M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

W25Q20BW
4 04 0 4 04 0
515 15 151
6 26 2 6 26 2
7 37 3 7 37 3
Byte 1 Byte 2 Byte 3 Byte 4
Figure 16b. Octal Word Read Quad I/O Instruction Sequence (Previous instruction set M5-4 = 10)
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Publication Release Date: January 25, 2011
Preliminary - Revision B