Winbond NOR 4 MB SPI Flash Memory 8-Pin SOIC

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Subtotal (1 pack of 15 units)*

£5.385

(exc. VAT)

£6.465

(inc. VAT)

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In Stock
  • 135 unit(s) ready to ship
  • Plus 5,745 unit(s) shipping from 10 February 2026
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Units
Per unit
Per Pack*
15 - 60£0.359£5.39
75 - 135£0.323£4.85
150 - 735£0.293£4.40
750 - 1485£0.27£4.05
1500 +£0.249£3.74

*price indicative

RS Stock No.:
171-2238
Mfr. Part No.:
W25X40CLSNIG/TUBE
Brand:
Winbond
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Brand

Winbond

Memory Size

4MB

Product Type

Flash Memory

Interface Type

SPI

Package Type

SOIC

Pin Count

8

Organisation

512 k x 8 Bit

Mount Type

Surface

Maximum Clock Frequency

104MHz

Cell Type

NOR

Minimum Supply Voltage

2.3V

Maximum Supply Voltage

3.6V

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Width

4 mm

Height

1.5mm

Length

5mm

Standards/Approvals

No

Number of Bits per Word

8

Maximum Random Access Time

8ns

Supply Current

15mA

Series

W25X40CL

Number of Words

512K

Automotive Standard

No

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

Single and Dual Serial Peripheral Interface

Uniform 4KB erasable sectors & 32KB/64KB erasable blocks

2,048 pages (256 bytes), page program in 0.4mS (typ.)

Fast Read (0Bh), Fast Read Dual Output (3Bh) and Fast Read Dual I/O (BBh) instructions

Clock operation up to 104MHz (208MHz equivalent with Fast Read Dual Output)

2.3 to 3.6V power supply

1mA active read current, 1μA power down current

-40° to +85°C operating range

Electronic ID in Single or Dual I/O mode

Read Unique ID (4Bh) instruction

Hardware and software write protection for top or bottom blocks

Volatile & Non-volatile Status Register Bits

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