BR25G640FJ-3GE2

{
  "schema_version": 1,
  "type": "component",
  "slug": "br25g640fj-3ge2",
  "title": "BR25G640FJ-3GE2",
  "brief": "ROHM Semicon EEPROM, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "br25g640fj-3ge2"
  ],
  "component": {
    "mpn": "BR25G640FJ-3GE2",
    "manufacturer": "ROHM Semicon",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589828394084446208",
    "parts": {
      "symbol": "br25g640fj-3ge2.kicad_sym",
      "footprint": "br25g640fj-3ge2.kicad_mod",
      "model_3d": "br25g640fj-3ge2-etched.glb",
      "model_3d_plain": "br25g640fj-3ge2.glb",
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      "lbr": "br25g640fj-3ge2.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CSB",
        "type": "input",
        "description": "Chip select input (active LOW). Must be held HIGH during power ON/OFF to prevent erroneous writes; a pull-up to Vcc is recommended. Schmitt-trigger input."
      },
      {
        "number": "2",
        "name": "SO",
        "type": "output",
        "description": "Serial data output. Data is shifted out MSB-first synchronous to the falling edge of SCK. High-impedance (High-Z) when CSB=HIGH or during HOLD state. VOH1 = Vcc-0.2V at IOH=-2.0mA (Vcc>=2.5V)."
      },
      {
        "number": "3",
        "name": "WPB",
        "type": "input",
        "description": "Write protect input (active LOW). When WPB=LOW and WPEN=1 in the status register, the Write Status Register (WRSR) command is prohibited. Schmitt-trigger input. Normally tied to a fixed level (Vcc or GND)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0V) for all inputs and outputs. Connect to the system ground plane; place bypass capacitor between Vcc (pin 8) and GND close to the device."
      },
      {
        "number": "5",
        "name": "SI",
        "type": "input",
        "description": "Serial data input. Opcode, address, and data are shifted in MSB-first on the rising edge of SCK. Schmitt-trigger input."
      },
      {
        "number": "6",
        "name": "SCK",
        "type": "input",
        "description": "Serial clock input, up to 20MHz (Vcc>=4.5V). Supports SPI modes (CPOL,CPHA)=(0,0) and (1,1). Schmitt-trigger input with ~0.2V hysteresis; recommended rise time <=100ns."
      },
      {
        "number": "7",
        "name": "HOLDB",
        "type": "input",
        "description": "Hold input (active LOW). When asserted LOW while SCK=LOW, suspends serial communication (SO becomes High-Z; SCK/SI become don't-care). Keep CSB=LOW during HOLD; a CSB rise while in HOLD resets the IC."
      },
      {
        "number": "8",
        "name": "Vcc",
        "type": "power_in",
        "description": "Positive supply voltage, 1.6V to 5.5V single-supply operation. Absolute max +6.5V. Recommend a 0.1uF bypass capacitor between Vcc and GND placed close to the IC."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589828394084446208",
        "pages": null,
        "sha256": "d74a758a974438ab",
        "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"
    },
    "models_3d": [
      {
        "file": "br25g640fj-3ge2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
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        "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": "br25g640fj-3ge2-etched.step",
        "role": "eda",
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        "zmin_mm": 0,
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        "sha256": "1bcefa4d5e7a6d64fe6a09944dcdcd13515bd87f843fb3af9e198a082a07554b",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "SOIC-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "BR25G640FJ-3GE2",
      "kind": "packaging"
    },
    {
      "mpn": "BR25G640F-3GE2",
      "kind": "unknown"
    },
    {
      "mpn": "BR25G640FVT-3GE2",
      "kind": "unknown"
    },
    {
      "mpn": "BR25G640FVM-3GTR",
      "kind": "unknown"
    },
    {
      "mpn": "BR25G640NUX-3TR",
      "kind": "unknown"
    }
  ],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
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  "discovery_pitch": "BR25G640FJ-3GE2 (ROHM Semicon) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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  "files": [
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    "br25g640fj-3ge2.step",
    "br25g640fj-3ge2.lbr",
    "docs/hero.png",
    "docs/br25g640fj-3ge2-datasheet.pdf",
    "viewers/symbol.html",
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  "visibility": {
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  },
  "updated_at": "2026-09-24T18:07:07.991Z"
}