W25Q256JV WINBOND

The Winbond W25Q256JV is a high-performance 256M-bit (32MB) Serial Flash memory device designed for embedded systems and IoT applications requiring large non-volatile storage with fast data access. This chip belongs to Winbond’s Serial NOR Flash family and supports the SPI (Serial Peripheral Interface), including Dual SPI, Quad SPI, and QPI (Quad Peripheral Interface) modes for high-speed data transfer up to 104MHz.

It features uniform 4KB sectors, 32KB and 64KB blocks, and a versatile erase and program architecture ideal for firmware, data logging, and secure boot applications. The W25Q256JV comes in multiple package options and is widely used in consumer electronics, industrial controllers, microcontroller platforms, networking devices, and FPGAs.

Key Features:
• High-density 256M-bit (32MB) serial NOR flash
• Supports SPI, Dual SPI, Quad SPI, and QPI up to 104MHz
• Uniform 4KB sectors, 32KB/64KB blocks
• Standard 3.3V power supply with low-power operation
• Erase/Program Suspend & Resume capability
• Advanced security features with software/hardware protection
• JEDEC ID compatible for device recognition
• Ideal for firmware storage, OTA updates, and boot code