The W25X40BVSNIG is a 4M-bit Serial Flash memory device manufactured by Winbond Electronics. It's designed to provide reliable and efficient non-volatile storage for a wide range of applications. The device supports standard SPI, Dual SPI, and Quad SPI interfaces, offering flexibility in data transfer rates and system integration. The operating voltage range is 2.7V to 3.6V.
Applications
- Storage of boot code in embedded systems
- Firmware storage in consumer electronics
- Data logging in industrial control systems
- Configuration data storage in networking equipment
- Portable devices for storing application code and data
Features
- 4M-bit (512K-byte) capacity
- SPI interface with standard, dual, and quad modes
- High-speed clock frequency up to 80MHz
- Low power consumption for extended battery life
- Hardware and software write protection mechanisms
- Compact package options (SOIC, VSOP, WSON)
- JEDEC standard manufacturer and device ID
Benefits
- Simple integration with SPI-enabled microcontrollers
- Fast data access and transfer speeds
- Reliable data storage with enhanced write protection
- Extended battery life due to low power consumption
- Small footprint suitable for space-constrained applications
Additional Details
The W25X40BVSNIG is organized into sectors and blocks, allowing for flexible erase operations. The device supports various power-saving modes, including deep power-down, to minimize current consumption when not actively in use. Write protection features prevent accidental data corruption. The device complies with JEDEC standards for manufacturer and device identification. Typical endurance is rated at 100,000 program/erase cycles, and data retention is guaranteed for a minimum of 20 years. The available packages include SOIC, VSOP, and WSON, offering options for different board layouts and assembly processes.