CAT25256VI-GT3

{
  "schema_version": 1,
  "type": "component",
  "slug": "cat25256vi-gt3",
  "title": "CAT25256VI-GT3",
  "brief": "onsemi 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",
    "cat25256vi-gt3"
  ],
  "component": {
    "mpn": "CAT25256VI-GT3",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/cat25256vi-gt3-d.pdf",
    "parts": {
      "symbol": "cat25256vi-gt3.kicad_sym",
      "footprint": "cat25256vi-gt3.kicad_mod",
      "model_3d": "cat25256vi-gt3-etched.glb",
      "model_3d_plain": "cat25256vi-gt3.glb",
      "model_3d_step": "cat25256vi-gt3-etched.step",
      "model_3d_step_plain": "cat25256vi-gt3.step",
      "lbr": "cat25256vi-gt3.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Active-low SPI Chip Select. A high-to-low transition on CS selects the device and initiates a new instruction sequence; a low-to-high transition deselects it and forces the SO output to high-impedance. Must be held high during standby to minimize supply current."
      },
      {
        "number": "2",
        "name": "SO",
        "type": "output",
        "description": "Serial Data Output. Data is shifted out on the falling edge of SCK (MSB first). High-impedance when CS is high or when the device is in HOLD."
      },
      {
        "number": "3",
        "name": "WP",
        "type": "input",
        "description": "Active-low Write Protect. When held low together with the WPEN bit in the status register set, the status register is hardware write-protected, preventing changes to the block protection bits. Tie to VCC if unused."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for all supply and signal levels (0 V)."
      },
      {
        "number": "5",
        "name": "SI",
        "type": "input",
        "description": "Serial Data Input. Op-codes, addresses and data are shifted in on the rising edge of SCK (MSB first)."
      },
      {
        "number": "6",
        "name": "SCK",
        "type": "input",
        "description": "SPI Serial Clock input. Supports SPI modes (0,0) and (1,1) up to 20 MHz at VCC >= 4.5 V (10 MHz at VCC >= 2.5 V, 5 MHz at VCC < 2.5 V)."
      },
      {
        "number": "7",
        "name": "HOLD",
        "type": "input",
        "description": "Active-low Hold input. Pausing serial communication without deselecting the device; when low (with CS low) SO goes high-Z and SI/SCK are ignored. Tie to VCC if unused."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, 1.8 V to 5.5 V. Typical read current 0.8-3.0 mA depending on VCC/frequency; standby current 1-5 uA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/cat25256vi-gt3-d.pdf",
        "pages": 18,
        "sha256": "15c84e62f165bfbe",
        "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": "cat25256vi-gt3.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": "cat25256vi-gt3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "737cad5e035e223a3e480953c923f85a253896b5e0e79a1f8804ef721f78218d",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cat25256vi-gt3"
  ],
  "discovery_pitch": "CAT25256VI-GT3 (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cat25256vi-gt3.kicad_sym",
    "cat25256vi-gt3.kicad_mod",
    "cat25256vi-gt3.glb",
    "cat25256vi-gt3.step",
    "cat25256vi-gt3-etched.step",
    "cat25256vi-gt3.lbr",
    "docs/hero.png",
    "docs/cat25256vi-gt3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:27:58.091Z"
}