The W25X40BVIG is a 4M-bit Serial Flash memory device from Winbond Electronics. This device is designed for a wide range of applications requiring non-volatile storage. It utilizes a single 2.7V to 3.6V power supply and offers standard SPI (Serial Peripheral Interface), Dual SPI, and Quad SPI functionalities for flexible and high-speed data transfer.

Applications

• Embedded systems for storing boot code
• Consumer electronics for storing firmware and user settings
• Data logging in industrial and medical equipment
• Storage for configuration data in networking devices
• Portable devices for storing application code and data

Features

• 4M-bit (512K-byte) Serial Flash Memory
• SPI Interface: Supports Standard, Dual, and Quad SPI modes
• High-Speed Clock Frequency: Up to 80MHz
• Low Power Consumption: Active, Standby, and Power-Down modes
• Write Protection: Hardware and Software Write Protection
• Small Package Options: SOIC, VSOP, WSON
• JEDEC Standard Manufacturer and Device ID

Benefits

• Space-efficient: Compact package design for use in small form-factor devices
• High Performance: Fast clock speeds for rapid data access and transfer
• Reliable Storage: Write protection features to ensure data integrity
• Low Power Operation: Extends battery life in portable devices
• Versatile Interface: Supports multiple SPI modes for flexible integration

Additional Details

The W25X40BVIG operates from a single 2.7V to 3.6V power supply and is available in various package options including SOIC, VSOP, and WSON. The device supports standard SPI, Dual SPI, and Quad SPI operation allowing for flexible data transfer rates. The memory array is organized into uniform 4KB sectors and 64KB blocks, allowing for flexible erase options. The device features both hardware and software write protection mechanisms to prevent accidental data corruption. It also includes a JEDEC standard manufacturer and device ID for easy device recognition. Endurance is rated at 100,000 program/erase cycles, and data retention is guaranteed for a minimum of 20 years.