Parameters, Packaging, Features and Application Details of W25Q256JVEIQ Serial Flash Memory Chip
Product Overview
W25Q256JVEIQ is a high-capacity and high-performance serial NOR flash memory chip launched by Winbond (Winbond Electronics). It has a storage capacity of up to 256M-bit (32MB) and supports standard SPI, Dual SPI, Quad SPI and QPI modes. Adapt to the data storage requirements of various high-performance embedded systems. This device adopts an 8-pin SOP package, with an operating voltage range of 2.7V - 3.6V. It has a clock frequency of up to 104MHz and supports the XIP (Execute-In-Place) function simultaneously, making it suitable for direct code operation.
Main technical parameters
Project Parameter description
Model W25Q256JVEIQ
Storage capacity: 256M-bit (32MB)
Interface types: SPI/Dual SPI/Quad SPI/QPI
The working voltage range is 2.7V - 3.6V
The maximum reading speed is 104MHz standard SPI and 80MHz QPI
The erase and write lifetime of each block is 100,000 times
Operating temperature range: -40°C to +85°C (industrial grade)
Packaging form: 8-SOP (300mil wide body)
Product features and highlights
✅ Large capacity NOR Flash storage (32MB) Suitable for multi-purpose embedded scenarios such as firmware, image resources, and log storage. ✅ High speed read (up to 104MHz) Support Quad SPI and QPI modes to improve the efficiency of system code access and reduce the startup time. ✅ Multi-granularity erasure mechanism 4KB/32KB/64KB erasure, meeting the requirements of fine data management. ✅ Low power design In deep power-off mode, the current is less than 1μA, making it suitable for battery-powered devices. ✅ Supports XIP (code execution) Allow the MCU/SoC to directly execute code from Flash to enhance system integration.
Typical application fields
Application field description
The embedded control system stores the startup code and user configuration data
Stable and reliable firmware storage and event log recording for industrial automation equipment
Resource management in consumer electronics such as smart speakers, set-top boxes, and TVS
Firmware update system for network and communication equipment routers and gateways
Medical and instrumentation precisely store diagnostic data and graphical user interface resources
Comparison of models in the same series
Model capacity, packaging form characteristics The W25Q128JVSIQ 128M-bit SOP-8 has a smaller capacity and lower power consumption The W25Q64JVSSIQ 64M-bit SOP-8 / WSON is used in systems with low capacity requirements W25Q512JV 512M-bit BGA/WSON has a higher capacity and is suitable for large firmware and graphics resources The MX25L25645GMI-08 256M-bit alternative model is produced by Macronix and has good compatibility The alternative model of GD25Q256E 256M-bit SOP-8 GigaDevice
Packaging and Pin Description (SOP-8)
SOP-8 pin Definition: Pin number symbol description 1 /CS chip selection signal 2 DO data output (or IO1) 3 /WP Write protection Input (or IO2) 4 GND ground wire 5 DI data input (or IO0) 6 CLK clock signal 7 /HOLD pause signal (or IO3) 8 VCC power input
Summary
W25Q256JVEIQ is a high-performance and highly reliable SPI NOR Flash memory, featuring large capacity, high-speed access and low power consumption. It is highly suitable for storing firmware, configuration files and graphic data in embedded systems and industrial equipment. Its multiple interface modes and packaging compatibility provide engineers with great flexibility and portability.
