Professional IC Distribution & Technical Solutions

The W25X40BVAIG is a 4M-bit Serial Flash Memory manufactured by Winbond. Below are its specifications, descriptions, and features:

Specifications:

• Memory Size: 4M-bit (512K x 8)
• Interface: SPI (Serial Peripheral Interface)
• Supports Standard/Dual/Quad SPI modes
• Operating Voltage: 2.7V – 3.6V
• Speed:
• Clock Frequency: Up to 104 MHz (Quad SPI)
• Data Transfer Rate: Up to 52 MB/s (Quad I/O)
• Sector Size: 4KB (Uniform)
• Block Size: 64KB
• Page Size: 256 bytes
• Endurance: 100,000 Program/Erase Cycles per sector
• Data Retention: 20 Years
• Operating Temperature Range: -40°C to +85°C
• Package: 8-pin SOIC (150mil)
• Security Features:
• Software & Hardware Write Protection
• Unique 64-bit ID

Descriptions:

• The W25X40BVAIG is a high-performance, low-power serial flash memory ideal for embedded systems, IoT, and consumer electronics.
• It supports high-speed data transfer with Quad SPI for faster read operations.
• Features flexible erase capabilities (sector, block, or full-chip erase).
• Low power consumption in standby and deep power-down modes.

Features:

• SPI Modes: Standard (1-bit), Dual (2-bit), Quad (4-bit) I/O
• Advanced Security:
• Write Protection via software or hardware (WP# pin)
• OTP (One-Time Programmable) Security Register
• Fast Erase & Program Time:
• Chip Erase: ~50ms (typical)
• Sector Erase (4KB): ~30ms (typical)
• Page Program (256B): ~0.7ms (typical)
• Low Power Consumption:
• Active Read Current: ~8mA (at 104MHz)
• Deep Power-Down Current: ~1µA (typical)
• Industrial-Grade Reliability:
• AEC-Q100 qualified (for automotive applications)
• RoHS & Halogen-Free compliant

This device is widely used in applications requiring non-volatile storage, such as firmware storage, boot code, configuration data, and multimedia storage.