The W25X40AVSIG is a 4M-bit Serial Flash memory device, offering high performance and reliability in a compact package. Manufactured by Winbond Electronics, this memory device utilizes a single 2.7V to 3.6V power supply and offers SPI (Serial Peripheral Interface) standard, dual or quad SPI, high-speed clock frequencies and supports JEDEC standard manufacturer and device ID.

Applications

• Embedded systems for code storage
• Data logging applications
• Firmware storage in consumer electronics
• Storage for configuration data in industrial control systems
• Networking equipment for boot code and configuration files

Features

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

Benefits

• Space-efficient: Compact package design suitable for small form-factor devices.
• High Performance: Fast clock speeds for quick data access and execution.
• Reliable Data Storage: Ensures data integrity with robust write protection features.
• Low Power Operation: Extends battery life in portable applications.
• Versatile Interface: Supports multiple SPI modes for flexible integration with various microcontrollers and processors.

Additional Details

The W25X40AVSIG operates from a single 2.7V to 3.6V power supply. It 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 256 pages of 256 bytes each. The device offers both hardware and software write protection to prevent accidental data corruption. It also features a JEDEC standard manufacturer and device ID, simplifying device identification during system initialization. The typical endurance is 100,000 program/erase cycles per sector, providing long-term reliability. Data retention is specified as a minimum of 20 years.