main
Ray Publish 0.1.0 4d587a9 5d ago
{
  "slug": "mc74vhc1g135dbvt1g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Logic Gates, SC-74A-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "mc74vhc1g135dbvt1g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mc74vhc1g135dbvt1g.kicad_sym",
    "mc74vhc1g135dbvt1g.kicad_mod",
    "mc74vhc1g135dbvt1g.glb",
    "mc74vhc1g135dbvt1g.step",
    "mc74vhc1g135dbvt1g.lbr",
    "docs/hero.png",
    "docs/mc74vhc1g135dbvt1g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mc74vhc1g135dbvt1g-hero.glb",
    "mc74vhc1g135dbvt1g-hero.overlay.json",
    "mc74vhc1g135dbvt1g-etched.glb"
  ],
  "component": {
    "mpn": "MC74VHC1G135DBVT1G",
    "manufacturer": "onsemi",
    "package": "SC-74A-5",
    "pin_count": 5,
    "category": "Logic",
    "subcategory": "Logic Gates",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589979892881391616",
    "parts": {
      "symbol": "mc74vhc1g135dbvt1g.kicad_sym",
      "footprint": "mc74vhc1g135dbvt1g.kicad_mod",
      "model_3d": "mc74vhc1g135dbvt1g-hero.glb",
      "model_3d_plain": "mc74vhc1g135dbvt1g-etched.glb",
      "model_3d_step": "mc74vhc1g135dbvt1g-etched.step",
      "model_3d_step_plain": "mc74vhc1g135dbvt1g.step",
      "lbr": "mc74vhc1g135dbvt1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C891473",
      "digikey": "488-MC74VHC1G135DBVT1GTR-ND",
      "mouser": "863-MC74VHC1G135DBVT"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T00:42:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "488-MC74VHC1G135DBVT1GTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-MC74VHC1G135DBVT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Input B of the 2-input Schmitt-trigger NAND gate; input structures are protected for voltages up to 5.5 V regardless of the supply voltage."
      },
      {
        "number": "2",
        "name": "A",
        "type": "input",
        "description": "Input A of the 2-input Schmitt-trigger NAND gate; input structures are protected for voltages up to 5.5 V regardless of the supply voltage."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "4",
        "name": "Y",
        "type": "output",
        "description": "Open-drain NAND output; the datasheet rates the output source/sink current at 8 mA at 3.0 V and 25 mA absolute maximum."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin, specified for 2.0 V to 5.5 V operation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Figure 2 shows an 'OVT' annotation on the SC-74A pinout drawing, but the datasheet does not define i; KiCad ERC has no open-drain class, so Y is typed as 'output'. The datasheet describes it as an open-"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0669,
        "at": "2026-10-19T00:40:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589979892881391616",
        "pages": 14,
        "sha256": "071f4af7be5c14ad",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mc74vhc1g135dbvt1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.7,
          2.9,
          1.175
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4d5f230989c88c41cd5ade60ebd7cb7b1ce28a59e459a38c47fe1b40ee66d941",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mc74vhc1g135dbvt1g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.7,
          2.9,
          1.175
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1551981b2489fa0391459709c8e24294c68332da79294fce701c18fee303f9dc",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}