Product Overview
The W25Q256JVIM is a 256Mbit (32MB) Serial NOR Flash Memory from Winbond with Standard/Dual/Quad SPI and QPI interfaces, operating at 2.7V to 3.6V with 133 MHz clock rate. The 32MB capacity is the largest in the standard 8-pin SPI NOR Flash family, suitable for large firmware images, Linux rootfs, and data logging. The VIM suffix indicates an 8-pin VDFN (WSON) package.
Key Specifications
| Density | 256Mbit (32MB) |
| Supply Voltage | 2.7V to 3.6V |
| Interface | Standard/Dual/Quad SPI, QPI |
| Max Clock Rate | 133 MHz |
| Page Size | 256 bytes |
| Sector Size | 4KB |
| Endurance | 100,000 P/E cycles |
| Operating Temp | -40°C to +85°C |
| Package | VDFN-8 (6x5mm WSON) |
| Part Status | Active |
Features
- 256Mbit Serial NOR Flash — largest 8-pin density
- Standard/Dual/Quad SPI and QPI modes
- 133 MHz clock, Fast Read Quad I/O
- 4KB sectors, 32KB/64KB blocks
- OTP area and security registers
- 100K P/E endurance, 20-year retention
Applications
- Large firmware and Linux rootfs storage
- Data logging and file system
- AI/ML model storage at edge
- High-capacity XIP memory