Professional IC Distribution & Technical Solutions

The Winbond 25Q40BVNIG is a 4Mbit (512KB) Serial Flash Memory device. Below are its key specifications, descriptions, and features:

Specifications:

• Memory Size: 4Mbit (512KB)
• Interface: SPI (Serial Peripheral Interface)
• Supports Standard/Dual/Quad SPI modes
• Clock frequency up to 104MHz (Quad I/O Fast Read)
• Voltage Range: 2.7V – 3.6V
• Operating Temperature: -40°C to +85°C
• Sector Size: 4KB (Uniform)
• Page Size: 256 Bytes
• Erase/Program Cycles: 100,000 cycles (minimum)
• Data Retention: 20 years (minimum)
• Package: 8-pin SOIC (150mil)

Descriptions:

• The 25Q40BVNIG is a non-volatile flash memory designed for high-performance embedded systems.
• It supports Quad I/O Fast Read for faster data transfer.
• Features software and hardware write protection for secure data storage.
• Compatible with SPI mode 0 and mode 3.

Features:

• High-Speed Data Transfer: Up to 104MHz in Quad I/O mode.
• Flexible Erase Options:
• Sector Erase (4KB)
• Block Erase (32KB, 64KB)
• Chip Erase
• Security Features:
• Write Protection via software (BP bits) or hardware (WP# pin).
• Unique 64-bit ID for device identification.
• Low Power Consumption:
• Deep Power-Down Mode (1μA typical).
• Industrial-Grade Reliability:
• AEC-Q100 qualified (for automotive applications).

This flash memory is commonly used in automotive, industrial, consumer electronics, and networking applications.

Would you like additional details on pin configurations or timing diagrams?