Part Number: W25Q40BV
Function: 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
Manufacturer: Winbond
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Description
The W25Q40BV (4M-bit) Serial Flash memory providesa storage solution for systems with limited space, pins and power. The 25Q series offers flexibility and performance well beyond ordinary Serial Flash devices. They are ideal for code shadowing to RAM, executing code directly from Dual/Quad SPI (XIP) and storing voice, text and data. The device operates on a single 2.7V to 3.6V power supply with current consumption as low as 4mA active and 1µA for power-down. All devices are offered in space-saving packages.
The W25Q40BV array is organized into 2,048 programmable pages of 256-bytes each. Up to 256 bytes can be programmed at a time. Pages can be erased ingroups of 16 (4KB sector erase), groups of 128 (32KB block erase), groups of 256 (64KB block erase)or the entire chip (chip erase). The W25Q40BV has 128 erasable sectors and 8 erasable blocks respectively. The small 4KB sectors allow for greater flexibility in applications that require data and parameter storage.
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W25Q40BV Datasheet
