FM25Q04B-SO-T-G

{
  "schema_version": 1,
  "type": "component",
  "slug": "fm25q04b-so-t-g",
  "title": "FM25Q04B-SO-T-G",
  "brief": "FUDAN MICRO NOR FLASH, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "fm25q04b-so-t-g"
  ],
  "component": {
    "mpn": "FM25Q04B-SO-T-G",
    "manufacturer": "FUDAN MICRO",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "NOR FLASH",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2111041830_FUDAN-MICRO-FM25Q04B-SO-T-G_C2887921.pdf",
    "parts": {
      "symbol": "fm25q04b-so-t-g.kicad_sym",
      "footprint": "fm25q04b-so-t-g.kicad_mod",
      "model_3d": "fm25q04b-so-t-g-etched.glb",
      "model_3d_plain": "fm25q04b-so-t-g.glb",
      "model_3d_step": "fm25q04b-so-t-g-etched.step",
      "model_3d_step_plain": "fm25q04b-so-t-g.step",
      "lbr": "fm25q04b-so-t-g.lbr"
    },
    "distributor_links": {
      "lcsc": "C2887921"
    },
    "pins": [
      {
        "number": "1",
        "name": "CS#",
        "type": "input",
        "description": "Active-low SPI Chip Select input. When high, device is deselected and DO/DQ pins are high-impedance; when low, device is enabled and instructions can be written / data read. Must track VCC at power-up; a pull-up resistor to VCC is recommended."
      },
      {
        "number": "2",
        "name": "DO/DQ1",
        "type": "bidirectional",
        "description": "Standard SPI Serial Data Output (DO); becomes bidirectional DQ1 in Dual SPI, Quad SPI, and QPI modes. Data is shifted out on the falling edge of CLK in Standard SPI mode."
      },
      {
        "number": "3",
        "name": "WP#/DQ2",
        "type": "bidirectional",
        "description": "Active-low Write Protect input for Standard/Dual SPI, used with the Status Register block-protect bits and SRP to hardware-protect part or all of the array. Becomes bidirectional DQ2 when the Quad Enable (QE) bit in Status Register-2 is set for Quad SPI / QPI operation."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Device ground reference (0 V)."
      },
      {
        "number": "5",
        "name": "DI/DQ0",
        "type": "bidirectional",
        "description": "Standard SPI Serial Data Input (DI); becomes bidirectional DQ0 in Dual SPI, Quad SPI, and QPI modes. Instructions, addresses, and data are shifted in on the rising edge of CLK in Standard SPI mode."
      },
      {
        "number": "6",
        "name": "CLK",
        "type": "input",
        "description": "SPI Serial Clock input; provides timing for all serial input and output operations. Supports SPI Mode 0 and Mode 3, up to 100 MHz for FAST_READ and 50 MHz for standard READ."
      },
      {
        "number": "7",
        "name": "HOLD#/DQ3",
        "type": "bidirectional",
        "description": "Active-low Hold input for Standard/Dual SPI - when driven low with CS# low, pauses serial communication (DO becomes high-Z, DI/CLK ignored). Becomes bidirectional DQ3 when QE=1 for Quad SPI / QPI operation; HOLD# function is unavailable in Quad modes."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage input, 2.3 V to 3.6 V single-supply operation. Decouple with a bypass capacitor close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2111041830_FUDAN-MICRO-FM25Q04B-SO-T-G_C2887921.pdf",
        "pages": 69,
        "sha256": "d930695cfb844a82",
        "source_tier": "lcsc"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "fm25q04b-so-t-g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fm25q04b-so-t-g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a681db425f983a100ca8f3d1e76d6339a52f0518f267611e7acffec67b8a19c7",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "FUDAN MICRO",
      "Package": "SOP-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "fm25q04b-so-t-g"
  ],
  "discovery_pitch": "FM25Q04B-SO-T-G (FUDAN MICRO) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fm25q04b-so-t-g.kicad_sym",
    "fm25q04b-so-t-g.kicad_mod",
    "fm25q04b-so-t-g.glb",
    "fm25q04b-so-t-g.step",
    "fm25q04b-so-t-g-etched.step",
    "fm25q04b-so-t-g.lbr",
    "docs/hero.png",
    "docs/fm25q04b-so-t-g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "FM25Q04B-SO-T-G",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T20:41:05.965Z"
}