W25Q20BW Datasheet, PDF (6/70 Pages) Winbond – 1.8V 2M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

3. PIN CONFIGURATION SOIC 150-MIL
W25Q20BW
Figure 1a. W25Q20BW Pin Assignments, 8-pin SOIC 150-mil (Package Code SN)
4. PAD CONFIGURATION WSON 6X5-MM, USON 2X3-MM
Figure 1b. W25Q20BW 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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