W25Q128FV

{
  "schema_version": 1,
  "type": "component",
  "slug": "w25q128",
  "title": "W25Q128FV",
  "brief": "Winbond 128 Mbit (16 MB) 3 V serial NOR flash, SOIC-8. Standard/Dual/Quad SPI, 104 MHz, 4 KB sectors. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "flash",
    "nor-flash",
    "spi",
    "quad-spi",
    "soic-8",
    "winbond"
  ],
  "component": {
    "mpn": "W25Q128FV",
    "manufacturer": "Winbond",
    "package": "SOIC-8 (208 mil)",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "128 Mbit SPI NOR flash",
    "datasheet": "https://www.pjrc.com/teensy/W25Q128FV.pdf",
    "parts": {
      "symbol": "w25q128.kicad_sym",
      "footprint": "w25q128.kicad_mod",
      "model_3d": "w25q128-etched.glb",
      "model_3d_plain": "w25q128.glb",
      "lbr": "w25q128.lbr",
      "model_3d_step": "w25q128-etched.step",
      "model_3d_step_plain": "w25q128.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "/CS",
        "type": "input",
        "description": "Chip Select input (active LOW). Enables the device for SPI/QPI transactions; when HIGH, DO/IO pins are high-impedance and the device is deselected."
      },
      {
        "number": "2",
        "name": "DO (IO1)",
        "type": "bidirectional",
        "description": "Serial Data Output in Standard SPI (MISO). Bidirectional IO1 in Dual/Quad SPI and QPI modes carrying data in both directions on shared bus lines."
      },
      {
        "number": "3",
        "name": "/WP (IO2)",
        "type": "bidirectional",
        "description": "Write Protect input (active LOW) in Standard/Dual SPI - protects the Status Register from being written. Reused as IO2 in Quad SPI/QPI modes when Quad Enable (QE) bit is set."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0V)."
      },
      {
        "number": "5",
        "name": "DI (IO0)",
        "type": "bidirectional",
        "description": "Serial Data Input in Standard SPI (MOSI) - clocked in on CLK rising edge. Bidirectional IO0 in Dual/Quad SPI and QPI modes."
      },
      {
        "number": "6",
        "name": "CLK",
        "type": "input",
        "description": "Serial Clock input. Provides the timing for serial input and output; up to 104MHz operation."
      },
      {
        "number": "7",
        "name": "/HOLD or /RESET (IO3)",
        "type": "bidirectional",
        "description": "Hold input (active LOW) pauses serial communication without deselecting the device, or Reset input (active LOW) depending on Status Register HOLD/RST bit. Reused as IO3 in Quad SPI/QPI modes when QE=1."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 2.7V to 3.6V. Active current typically 4mA; power-down current <1uA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.pjrc.com/teensy/W25Q128FV.pdf",
        "pages": 100,
        "sha256": "c545e2594435d1a1",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "w25q128.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          5.3,
          2.16
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "121aee742692bb7bc9ef49972786ecb89d1b2d62ab089ed278651a884c800331",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "w25q128-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          5.3,
          2.16
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "75ff7f41c5e035663262a274810bb3da4b5dadfdb216085ad5ea79c9f0d2f177",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Serial NOR flash memory",
      "Density": "128 Mbit (16 MB)",
      "Interface": "Standard / Dual / Quad SPI + QPI",
      "Max clock": "104 MHz (416 MHz equiv. Quad)",
      "Erase granularity": "4 KB sector (uniform)",
      "Endurance": "100k erase/program cycles",
      "Supply voltage": "2.7-3.6 V",
      "Package": "SOIC-8 (208 mil)"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "w25q128",
    "winbond flash",
    "spi nor flash",
    "quad spi flash",
    "16mb flash"
  ],
  "discovery_pitch": "W25Q128FV 128 Mbit (16 MB) serial NOR flash with Standard/Dual/Quad SPI (SOIC-8) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "w25q128.kicad_sym",
    "w25q128.kicad_mod",
    "w25q128.glb",
    "w25q128.lbr",
    "docs/hero.png",
    "docs/w25q128-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "w25q128-etched.step"
  ],
  "variants": [
    {
      "mpn": "W25Q128FVSIG (SOIC-8, 208 mil)",
      "kind": "packaging"
    },
    {
      "mpn": "W25Q128FVSSIG (SOIC-8)",
      "kind": "packaging"
    }
  ]
}