The Winbond W25X40BVSING is a 4M-bit Serial Flash memory device that provides a non-volatile storage solution for systems with limited space, pins and power. It is accessed through a Serial Peripheral Interface (SPI) bus, enabling simple interfacing with a wide range of microcontrollers.

Applications

• BIOS Storage
• Firmware Storage
• Data Storage
• Embedded Systems
• Portable Electronics
• Industrial Control Systems

Features

• 4M-bit (512K-byte) capacity
• SPI Interface: Supports SPI modes 0 and 3
• Clock Frequency: Up to 80MHz
• Page Program: 256 bytes per page
• Sector Erase: 4KB sectors
• Block Erase: 64KB blocks
• Chip Erase
• Software and Hardware Write Protection
• Low Voltage Operation: 2.7V to 3.6V
• Low Power Consumption: Active and Standby modes
• Operating Temperature: -40°C to +85°C
• Package: SOIC-8

Benefits

• Relatively small capacity, suitable for storing smaller amounts of firmware or configuration data.
• Easy integration with microcontrollers through the standard SPI interface.
• Fast clock frequency supports quick data transfer.
• Flexible erase options allow for efficient memory management.
• Write protection safeguards critical data from accidental modification.
• Low power consumption extends battery life in portable applications.

Additional Details

The W25X40BVSING leverages flash memory technology to deliver reliable non-volatile storage. It operates via a standard SPI interface, ensuring compatibility across different platforms and microcontrollers. With sector and block erase capabilities, the memory can be efficiently managed and updated. Write protection features safeguard against unintended data corruption. This Serial Flash memory is frequently used to store firmware, configuration settings, and other critical data in embedded systems and portable devices. The device is RoHS compliant and designed for a wide range of operating temperatures making it useful in many industrial applications. It features a small SOIC-8 package allowing for easy integration. This part is often used in lower end applications, and where space constraints are important.