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Product attributes Property Value
Manufacturer Winbond Electronics
Product Series SpiFlash®
Packaging Tube |
Memory Type Non-Volatile
Memory Format FLASH
Technology FLASH
Memory Size 4Mbit
Memory Organization 512K x 8
Memory Interface SPI
Clock Frequency 40 MHz
Write Cycle Time - Word, Page 15ms, 5ms
Access Time -
Voltage - Supply 2.7V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

Product Overview

The Winbond W25B40VSNIG is a high-performance 4Mbit SPI Flash memory IC designed for industrial and embedded applications requiring reliable non-volatile storage. Part of Winbond's renowned SpiFlash® series, this memory component delivers exceptional performance with a 40MHz clock frequency and operates across a wide temperature range of -40°C to 85°C.

Key Features & Benefits

  • High-Speed Performance: 40MHz SPI interface ensures fast data access and transfer rates
  • Flexible Memory Organization: 512K x 8 architecture optimized for embedded systems
  • Industrial Temperature Range: Reliable operation from -40°C to 85°C for demanding environments
  • Low Power Operation: 2.7V to 3.6V supply voltage range for energy-efficient designs
  • Compact Surface Mount Package: Space-saving 8-SOIC package ideal for high-density PCB layouts
  • RoHS Compliant: Environmentally friendly and meets global regulatory standards

Applications

This SPI Flash memory is ideal for:

  • Embedded system firmware storage
  • Industrial control systems and automation
  • IoT devices and smart sensors
  • Automotive electronics
  • Medical equipment data logging
  • Consumer electronics and appliances

Why Choose Winbond SpiFlash®?

Winbond Electronics is a global leader in memory solutions, known for delivering high-quality, reliable semiconductor products. The SpiFlash® series offers proven performance in mission-critical applications worldwide, backed by comprehensive technical support and long-term product availability.

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