Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Winbond
	Memory Size	4MB
	Product Type	Flash Memory
	Interface Type	SPI
	Package Type	USON
	Pin Count	8
	Organisation	512 k x 8 Bit
	Mount Type	Surface
	Maximum Clock Frequency	104MHz
	Cell Type	NOR
	Maximum Supply Voltage	3.6V
	Minimum Supply Voltage	2.3V
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	85°C
	Standards/Approvals	No
	Length	2.1mm
	Height	0.55mm
	Width	2.1 mm
	Maximum Random Access Time	8ns
	Supply Current	15mA
	Series	W25X40CL
	Number of Bits per Word	8
	Automotive Standard	No
	Number of Words	512K

	Select all
	Brand Winbond
	Memory Size 4MB
	Product Type Flash Memory
	Interface Type SPI
	Package Type USON
	Pin Count 8
	Organisation 512 k x 8 Bit
	Mount Type Surface
	Maximum Clock Frequency 104MHz
	Cell Type NOR
	Maximum Supply Voltage 3.6V
	Minimum Supply Voltage 2.3V
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 85°C
	Standards/Approvals No
	Length 2.1mm
	Height 0.55mm
	Width 2.1 mm
	Maximum Random Access Time 8ns
	Supply Current 15mA
	Series W25X40CL
	Number of Bits per Word 8
	Automotive Standard No
	Number of Words 512K

Family of Serial Flash Memories

W25X40CL: 4M-bit/512K-byte (524,288)

256-bytes per programmable page

Uniform erasable 4KB, 32KB & 64KB regions.

SPI with Single / Dual Outputs / I/O

Standard SPI: CLK, /CS, DI, DO, /WP, /Hold

Dual SPI: CLK, /CS, IO0, IO1, /WP, /Hold

Data Transfer up to 208M-bits / second

Clock operation to 104MHz

208MHz equivalent Dual SPI

Auto-increment Read capability

Efficient “Continuous Read Mode”

Low Instruction overhead

Continuous Read

As few as 16 clocks to address memory

Allows true XIP (execute in place) operation

Flexible Architecture with 4KB sectors

Uniform Sector/Block Erase (4/32/64-kbytes)

Page program up to 256 bytes <1ms

More than 100,000 erase/write cycles

More than 20-year data retention

Low Power, Wide Temperature Range

Single 2.3V to 3.6V supply

1mA active current, <1μA Power-down(typ.)

-40° to +85°C operating range

Space Efficient Packaging

8-pin SOIC 150-mil / VSOP 150-mil

8-pin SOIC 208-mil

8-pin PDIP 300-mil

8-pad WSON 6x5-mm

8-pad USON 2x3-mm

8-pin PDIP 300-mil

4M-bit 2.5V Serial Flash Memory with uniform 4KB sectors and Dual SPI.

Single/Dual SPI

UID & OTP Feature

2.3V to 3.6V Vcc Range

Volatile & Non-Volatile SR

Erase/Program Suspend & Resume

Winbond NOR 4 MB SPI Flash Memory 8-Pin USON

Related links