W25Q80BV 1 MByte SPI Flash

1 MByte SPI NOR flash in DIP package. Interfaces via SPI with any microcontroller. 3.3V supply only — requires level shifting when used with 5V systems such as Arduino (e.g., 74LVC245 or 4-transistor shifter).

Logical pinout · physical placement not verified

/CS1
Chip select input for the SPI flash, from the Winbond W25Q80BV datasheet PDIP/SOIC pin configuration.
Type · Control
IO1DO2
Serial data output in standard SPI, IO1 in dual/quad SPI modes, from the Winbond datasheet.
Type · GPIO, SignalVoltage · 3.3V logic part per Adafruit product page; use level shifting with 5V controllers.
IO2WP3
Write protect input in standard SPI, IO2 in quad SPI modes, from the Winbond datasheet.
Type · GPIO, ControlVoltage · 3.3V logic part per Adafruit product page.
GND4
Ground reference.
Type · GroundVoltage · 0V
IO0DI5
Serial data input in standard SPI, IO0 in dual/quad SPI modes, from the Winbond datasheet.
Type · GPIO, SignalVoltage · 3.3V logic part per Adafruit product page.
CLK6
Serial clock input for the SPI bus, from the Winbond datasheet.
Type · SignalVoltage · 3.3V logic part per Adafruit product page.
IO3HOLD7
Hold input in standard SPI, IO3 in quad SPI modes, from the Winbond datasheet.
Type · GPIO, ControlVoltage · 3.3V logic part per Adafruit product page.
VCC8
Positive supply for the flash memory.
Type · PowerVoltage · 3.3VDC per Adafruit product page.

Pin	Position	Type	Function	Voltage
/CS	1	Control	Chip select input for the SPI flash, from the Winbond W25Q80BV datasheet PDIP/SOIC pin configuration.
IO1DO	2	GPIO, Signal	Serial data output in standard SPI, IO1 in dual/quad SPI modes, from the Winbond datasheet.	3.3V logic part per Adafruit product page; use level shifting with 5V controllers.
IO2WP	3	GPIO, Control	Write protect input in standard SPI, IO2 in quad SPI modes, from the Winbond datasheet.	3.3V logic part per Adafruit product page.
GND	4	Ground	Ground reference.	0V
IO0DI	5	GPIO, Signal	Serial data input in standard SPI, IO0 in dual/quad SPI modes, from the Winbond datasheet.	3.3V logic part per Adafruit product page.
CLK	6	Signal	Serial clock input for the SPI bus, from the Winbond datasheet.	3.3V logic part per Adafruit product page.
IO3HOLD	7	GPIO, Control	Hold input in standard SPI, IO3 in quad SPI modes, from the Winbond datasheet.	3.3V logic part per Adafruit product page.
VCC	8	Power	Positive supply for the flash memory.	3.3VDC per Adafruit product page.

Logical pinout · physical placement not verified

Pin details

8 connections

/CS
Chip select input for the SPI flash, from the Winbond W25Q80BV datasheet PDIP/SOIC pin configuration.
Control
1
IO1DO
Serial data output in standard SPI, IO1 in dual/quad SPI modes, from the Winbond datasheet.
GPIO, SignalVoltage · 3.3V logic part per Adafruit product page; use level shifting with 5V controllers.
2
IO2WP
Write protect input in standard SPI, IO2 in quad SPI modes, from the Winbond datasheet.
GPIO, ControlVoltage · 3.3V logic part per Adafruit product page.
3
GND
Ground reference.
GroundVoltage · 0V
4
IO0DI
Serial data input in standard SPI, IO0 in dual/quad SPI modes, from the Winbond datasheet.
GPIO, SignalVoltage · 3.3V logic part per Adafruit product page.
5
CLK
Serial clock input for the SPI bus, from the Winbond datasheet.
SignalVoltage · 3.3V logic part per Adafruit product page.
6
IO3HOLD
Hold input in standard SPI, IO3 in quad SPI modes, from the Winbond datasheet.
GPIO, ControlVoltage · 3.3V logic part per Adafruit product page.
7
VCC
Positive supply for the flash memory.
PowerVoltage · 3.3VDC per Adafruit product page.
8

Memory

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