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25q32 Spi Eprom Eeprom Memory Flash Chip In Pakistan Del



25Q32 SPI EPROM EEPROM MEMORY FLASH CHIP The W25Q32FV (32M-bit) Serial Flash memory provides a 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 W25Q32FV array is organized into 16,384 programmable pages of 256-bytes each. Up to 256 bytes can be programmed at a time. Pages can be erased in groups of 16 (4KB sector erase), groups of 128 (32KB block erase), groups of 256 (64KB block erase) or the entire chip (chip erase). The W25Q32FV has 1,024 erasable sectors and 64 erasable blocks respectively. The small 4KB sectors allow for greater flexibility in applications that require data and parameter storage. (See Figure 2.) The W25Q32FV support the standard Serial Peripheral Interface (SPI), Dual/Quad I/O SPI as well as 2- clocks instruction cycle Quad Peripheral Interface (QPI): Serial Clock, Chip Select, Serial Data I/O0 (DI), I/O1 (DO), I/O2 (/WP), and I/O3 (/HOLD). SPI clock frequencies of up to 104MHz are supported allowing equivalent clock rates of 208MHz (104MHz x 2) for Dual I/O and 416MHz (104MHz x 4) for Quad I/O when using the Fast Read Dual/Quad I/O and QPI instructions. These transfer rates can outperform standard Asynchronous 8 and 16-bit Parallel Flash memories. The Continuous Read Mode allows for efficient memory access with as few as 8-clocks of instruction-overhead to read a 24-bit address, allowing true XIP (execute in place) operation. A Hold pin, Write Protect pin and programmable write protection, with top or bottom array control, provide further control flexibility. Additionally, the device supports JEDEC standard manufacturer and device ID and SFDP Register, a 64-bit Unique Serial Number and three 256-bytes Security Registers.


  1. New Family of SpiFlash Memories
  2. – W25Q32FV: 32M-bit / 4M-byte
  3. – Standard SPI: CLK, /CS, DI, DO, /WP, /Hold
  4. – Dual SPI: CLK, /CS, IO0, IO1, /WP, /Hold
  5. – Quad SPI: CLK, /CS, IO0, IO1, IO2, IO3
  6. – QPI: CLK, /CS, IO0, IO1, IO2, IO3
  7. – Software & Hardware Reset
  8.  Highest Performance Serial Flash
  9. – 104MHz Single, Dual/Quad SPI clocks
  10. – 208/416MHz equivalent Dual/Quad SPI
  11. – 50MB/S continuous data transfer rate
  12. – More than 100,000 erase/program cycles
  13. – More than 20-year data retention
  14.  Efficient “Continuous Read” and QPI Mode
  15. – Continuous Read with 8/16/32/64-Byte Wrap
  16. – As few as 8 clocks to address memory
  17. – Quad Peripheral Interface (QPI) reduces
  18. instruction overhead
  19. – Allows true XIP (execute in place) operation
  20. – Outperforms X16 Parallel Flash
  21.  Low Power, Wide Temperature Range
  22. – Single 2.7 to 3.6V supply

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