W25Q40BW datasheet(6/70 Pages) WINBOND

Part #	W25Q40BW

Description	1.8V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

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Manufacturer	WINBOND [Winbond]

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W25Q40BW

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3. PIN CONFIGURATION SOIC 150-MIL

Figure 1a. W25Q40BW Pin Assignments, 8-pin SOIC 150-mil (Package Code SN)

4. PAD CONFIGURATION WSON 6X5-MM, USON 2X3-MM

Figure 1b. W25Q40BW Pad Assignments, 8-pad WSON 6x5-mm, USON 2x3-mm (Package Code ZP & UX)

5. PIN DESCRIPTION SOIC 150-MIL, WSON 6X5-MM & USON 2X3-MM

PIN NO.

PIN NAME

I/O

FUNCTION

1

/CS

I

Chip Select Input

2

DO (IO1)

I/O

Data Output (Data Input Output 1)*

1

3

/WP (IO2)

I/O

Write Protect Input ( Data Input Output 2)*

2

4

GND

Ground

5

DI (IO0)

I/O

Data Input (Data Input Output 0)*

1

6

CLK

I

Serial Clock Input

7

/HOLD (IO3)

I/O

Hold Input (Data Input Output 3)*

2

8

VCC

Power Supply

*1 IO0 and IO1 are used for Standard and Dual SPI instructions

*2 IO0 – IO3 are used for Quad SPI instructions

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