Description
The W25Q40EWSNIG is a 4-Mbit (512K × 8-bit) serial Flash memory from the Winbond SpiFlash® family, specifically optimized for low-voltage operation at 1.8V. This device is engineered to provide a high-performance, flexible, and reliable non-volatile storage solution for systems with stringent power and space constraints. It utilizes the standard Serial Peripheral Interface (SPI), enabling high-speed data transfer while maintaining a low pin count to maximize PCB efficiency.
With its efficient 4KB sector architecture, the W25Q40EWSNIG allows for granular data updates and parameter management, making it an excellent choice for modern embedded electronics. Its low-voltage profile and compact form factor make it particularly well-suited for battery-powered devices, portable electronics, and high-density surface-mount assemblies where power efficiency is a critical design requirement.
Key Features
- High Density: 4-Mbit (512KB) storage capacity.
- Low-Voltage Operation: Optimized for 1.8V power supply environments.
- SpiFlash® Technology: Advanced serial Flash architecture with industry-standard SPI compatibility.
- Efficient Data Management: Flexible 4KB sector architecture for refined read/write/erase cycles.
- High Performance: Optimized for fast data access and efficient system integration.
- Compact Packaging: Surface-mount design, ideal for high-density, space-constrained electronic assemblies.
Applications
- Firmware Storage: Reliable non-volatile memory for boot code and application firmware.
- Portable Electronics: Ideal for battery-powered devices requiring low-voltage memory solutions.
- Configuration Management: Persistent storage for device settings, calibration data, and system identifiers.
- Data Logging: Suitable for recording operational logs and sensor data in compact designs.
Package Includes
- 1 x W25Q40EWSNIG Flash Memory IC (Surface Mount)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device | W25Q40EWSNIG |
| Memory Type | Serial NOR Flash |
| Capacity | 4 Mbit (512 KB) |
| Operating Voltage | 1.8V |
| Interface | SPI |
| Mounting Type | Surface Mount |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 × 4 × 1 cm |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, timing diagrams, and advanced features, please refer to the official Winbond datasheet.
