W25N04KVZEIRS – SLC QSPI NAND Flash – Winbond

The Winbond W25N04KVZEIRS is a 4Gbit (512M x 8) single-level-cell (SLC) QSPI NAND Flash memory in a compact WSON-8 (8x6mm) package, supporting Standard/Dual/Quad SPI up to 104 MHz with on-chip ECC.

The Winbond W25N04KVZEIRS is a 4Gbit serial SLC NAND Flash memory from Winbond’s W25N KV-series QspiNAND family. It pairs the high density and low cost of NAND technology with a simple SPI-compatible serial interface, making it ideal for code storage and data logging in space-constrained, pin-limited embedded designs. The device delivers 4Gb (512M x 8) of storage in a compact WSON-8 (8x6mm) surface-mount package and includes integrated on-chip 8-bit ECC to maintain data integrity over the device lifetime.

Built on Winbond’s QspiNAND architecture, the W25N04KVZEIRS supports Standard SPI, Dual SPI, and Quad SPI (x1/x2/x4) I/O modes at clock frequencies up to 104 MHz, and offers a Sequential Read mode for efficient access across the array. As an SLC NAND device it provides higher endurance and reliability than equivalent MLC/TLC parts, which is why it is favored in industrial and embedded applications.

Key Features

• Density: 4 Gbit (4,096 Mbit) SLC NAND
• Organization: 512M x 8 (512M-Byte)
• Memory array: programmable pages of 2,048 bytes plus spare area (2,048B + 128B page)
• Interface: Standard / Dual / Quad SPI (x1 / x2 / x4 I/O)
• Maximum clock frequency: 104 MHz (208/416 MHz equivalent Dual/Quad I/O)
• On-chip 8-bit hardware ECC (Error Correcting Code)
• Endurance: 60,000 erase/program cycles; 10-year data retention
• Supply voltage: 2.7 V to 3.6 V
• Package: WSON-8, 8x6mm, surface-mount with exposed pad
• Operating temperature: -40 C to +85 C (Industrial grade)
• Technology: Single-Level-Cell (SLC) NAND for enhanced reliability

Applications

• Embedded code and firmware storage (code shadowing / XIP)
• IoT and connected-device data logging
• Networking and telecom equipment
• Industrial automation and control systems
• Wearables and consumer electronics
• Automotive and infotainment subsystems

Why Source W25N04KVZEIRS from Pacific Component Xchange

Pacific Component Xchange is an independent distributor specializing in hard-to-find, allocated, and obsolete memory. The W25N04KVZEIRS can be difficult to secure through authorized channels, and we currently hold available inventory to support your production and repair needs. Every device is screened for authenticity and quality to protect your build against counterfeit risk, and we ship globally with the documentation your supply chain requires.

Because this is a Request-For-Quote (RFQ) item, pricing is provided per order based on quantity, date code, and lead-time requirements. Submit an RFQ today and our sourcing team will respond promptly with current availability and a firm quote.