25Q40BW Datasheet | Winbond

W25Q40BW 1.8V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI Publication Release Date: October 11, 2013 - 1 - Revision F W25Q40BW Table of Contents 1. GENERAL DESCRIPTION ............................................................................................................... 5 2. Features ....................................................................................................................................... 5 3. PIN CONFIGURATION SOIC/VSOP 150-MIL ................................................................................. 6 4. PAD CONFIGURATION WSON 6X5-MM, USON 2X3-MM ............................................................. 6 5. PIN DESCRIPTION SOIC/VSOP 150-MIL, WSON 6X5-MM & USON 2X3-MM ............................. 6 5.1 Package Types..................................................................................................................... 7 5.2 Chip Select (/CS).................................................................................................................. 7 5.3 Serial Data Input, Output and IOs (DI, DO and IO0, IO1, IO2, IO3) .................................... 7 5.4 Write Protect (/WP)............................................................................................................... 7 5.5 HOLD (/HOLD) ..................................................................................................................... 7 5.6 Serial Clock (CLK) ................................................................................................................ 7 6. BLOCK DIAGRAM............................................................................................................................ 8 7. FUNCTIONAL DESCRIPTION ......................................................................................................... 9 7.1 SPI OPERATIONS ............................................................................................................... 9 7.1.1 Standard SPI...