Description
For modern microcontrollers like the RP2040, ESP32, RT10xx, and STM32 series, external QSPI Flash memory is used to save cost and complexity. This breakout board converts the W25Q128JVSSIQ 128-Megabit (16 Megabyte) QSPI Flash memory chip in an 8-SOIC package to a 0.3″ wide DIP, perfect for prototyping and breadboarding.
The chip operates at 3.3V logic and power with Quad SPI I/O. It features a permanently set Quad Enable bit for immediate QSPI mode operation, and the ‘hold’ and ‘write protect’ pins can be tied to 3.3V if operating in SPI mode. This breakout is ideal for adding external flash memory for code and resource storage.
This product includes a bit of header for soldering and plugging into a breadboard or to replace an existing socketed SPI flash DIP chip.
Features:
- 128 MBit (16 MByte) W25Q128JVSSIQ QSPI Flash memory chip
- 3.3V power and logic compatible
- Converted from SOIC-8 package to 0.3″ DIP format for breadboard compatibility
- Quad SPI interface
- Includes header for easy breadboard use or socket replacement
Technical Details:
- Dimensions: 11.2mm x 10.2mm x 3.5mm (0.4″ x 0.4″ x 0.1″)
- Datasheet and more information: Winbond W25Q128JV datasheet
- Arduino library: Adafruit_SPIFlash
- CircuitPython TOML definition: nvm.toml flash definition
- GitHub repo for breakout PCB: Adafruit QSPI DIP Breakout PCB
This product is RoHS compliant and suitable for reliable prototyping and project development.
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