The W25Q256JWEIQ with NOR Flash spiFlash is a 1.8V, 256M-bit, 4Kb Uniform Sector Flash memory device manufactured by Winbond. It is a popular NOR-based Flash memory device that supports the standard Serial Peripheral Interface (SPI) bus as well as a high-performance dual-SPI (QuadSPI) bus, allowing for higher performance data storage and retrieval. The W25Q256JWEIQ has a 4Kb uniform sector size, meaning each sector is the same size and data can be read or written to any sector. It also has a write protect pin which allows the user to control when data can be written to the device. The W25Q256JWEIQ is well suited for a wide range of applications including but not limited to industrial, networking, computing, and consumer applications.