BR25G256FJ-3GE2

{
  "schema_version": 1,
  "type": "component",
  "slug": "br25g256fj-3ge2",
  "title": "BR25G256FJ-3GE2",
  "brief": "ROHM EEPROM, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "br25g256fj-3ge2"
  ],
  "component": {
    "mpn": "BR25G256FJ-3GE2",
    "manufacturer": "ROHM",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2211030200_ROHM-Semicon-BR25G256FJ-3GE2_C509766.pdf",
    "parts": {
      "symbol": "br25g256fj-3ge2.kicad_sym",
      "footprint": "br25g256fj-3ge2.kicad_mod",
      "model_3d": "br25g256fj-3ge2-etched.glb",
      "model_3d_plain": "br25g256fj-3ge2.glb",
      "model_3d_step": "br25g256fj-3ge2-etched.step",
      "model_3d_step_plain": "br25g256fj-3ge2.step",
      "lbr": "br25g256fj-3ge2.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CSB",
        "type": "input",
        "description": "Active-low chip select input. Drive low to select the device and frame an SPI transaction; drive high to deselect and place SO in high impedance. Referenced to Vcc; VIH >= 0.7*Vcc (>=0.8*Vcc below 1.7V)."
      },
      {
        "number": "2",
        "name": "SO",
        "type": "output",
        "description": "Serial data output (MISO). Data is shifted out MSB first on the falling edge of SCK. High-impedance when CSB is high or HOLDB is asserted. Drive strength: VOH >= Vcc-0.2 V at IOH = -2 mA (2.5-5.5 V)."
      },
      {
        "number": "3",
        "name": "WPB",
        "type": "input",
        "description": "Active-low hardware write-protect input. When low, the WRSR (Write Status Register) command is inhibited, locking the block-protection bits BP0/BP1 and preventing changes to write protection."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for all inputs, outputs, and internal circuitry."
      },
      {
        "number": "5",
        "name": "SI",
        "type": "input",
        "description": "Serial data input (MOSI). Op-code, address, and write data are shifted in MSB first on the rising edge of SCK. Setup time tDIS = 5 ns min at Vcc >= 4.5 V."
      },
      {
        "number": "6",
        "name": "SCK",
        "type": "input",
        "description": "Serial clock input. Supports SPI modes (CPOL,CPHA) = (0,0) and (1,1) up to 20 MHz max at Vcc >= 4.5 V (5 MHz max at 1.7-2.5 V, 3 MHz max at 1.6-1.7 V)."
      },
      {
        "number": "7",
        "name": "HOLDB",
        "type": "input",
        "description": "Active-low hold input. Pulling HOLDB low while CSB is low pauses the current SPI transaction and forces SO to high impedance; the transaction resumes when HOLDB returns high. Allows the master to service higher-priority devices on a shared bus."
      },
      {
        "number": "8",
        "name": "Vcc",
        "type": "power_in",
        "description": "Positive supply, 1.6 V to 5.5 V. Recommended bypass capacitor 0.1 uF to GND. Typical read current 0.1 uA standby, 2.0 mA read, 0.6 mA write at 5 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2211030200_ROHM-Semicon-BR25G256FJ-3GE2_C509766.pdf",
        "pages": 37,
        "sha256": "6e0b88fc30c2ef44",
        "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": "br25g256fj-3ge2.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": "br25g256fj-3ge2-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": "1c9731afd542e0c549afad2a7d79e1ef53a1e27f016357340bf970893c71b22d",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM",
      "Package": "SOIC-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "br25g256fj-3ge2"
  ],
  "discovery_pitch": "BR25G256FJ-3GE2 (ROHM) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "br25g256fj-3ge2.kicad_sym",
    "br25g256fj-3ge2.kicad_mod",
    "br25g256fj-3ge2.glb",
    "br25g256fj-3ge2.step",
    "br25g256fj-3ge2-etched.step",
    "br25g256fj-3ge2.lbr",
    "docs/hero.png",
    "docs/br25g256fj-3ge2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "BR25G256FJ-3GE2",
      "kind": "packaging"
    },
    {
      "mpn": "BR25G256F-3GE2",
      "kind": "unknown"
    },
    {
      "mpn": "BR25G256FVT-3GE2",
      "kind": "unknown"
    },
    {
      "mpn": "BR25G256-3",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-24T18:06:59.966Z"
}