W25Q20BW
3.
PIN CONFIGURATION SOIC 150-MIL
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.
1
2
3
4
5
6
7
8
PIN NAME
/CS
DO (IO1)
/WP (IO2)
GND
DI (IO0)
CLK
/HOLD (IO3)
VCC
I/O
I
I/O
I/O
I/O
I
I/O
Chip Select Input
FUNCTION
Data Output (Data Input Output 1)*
1
Write Protect Input ( Data Input Output 2)*
2
Ground
Data Input (Data Input Output 0)*
1
Serial Clock Input
Hold Input (Data Input Output 3)*
2
Power Supply
*1 IO0 and IO1 are used for Standard and Dual SPI instructions
*2 IO0 – IO3 are used for Quad SPI instructions
-6-
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