main
Ray Publish 0.1.0 235b2fa 5d ago
{
  "slug": "74lvc245ad",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Buffers, Drivers, Receivers, Transceivers, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74lvc245ad",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74lvc245ad.kicad_sym",
    "74lvc245ad.kicad_mod",
    "74lvc245ad.glb",
    "74lvc245ad.step",
    "74lvc245ad.lbr",
    "docs/hero.png",
    "docs/74lvc245ad-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74lvc245ad-hero.glb",
    "74lvc245ad-hero.overlay.json",
    "74lvc245ad-etched.glb"
  ],
  "component": {
    "mpn": "74LVC245AD",
    "manufacturer": "Nexperia",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579712077533282304",
    "parts": {
      "symbol": "74lvc245ad.kicad_sym",
      "footprint": "74lvc245ad.kicad_mod",
      "model_3d": "74lvc245ad-hero.glb",
      "model_3d_plain": "74lvc245ad-etched.glb",
      "model_3d_step": "74lvc245ad-etched.step",
      "model_3d_step_plain": "74lvc245ad.step",
      "lbr": "74lvc245ad.lbr"
    },
    "distributor_links": {
      "lcsc": "C6080"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T11:14:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DIR",
        "type": "input",
        "description": "Direction control input that selects the transfer direction between the An and Bn ports as listed in the function selection table (Table 3)."
      },
      {
        "number": "2",
        "name": "A0",
        "type": "bidirectional",
        "description": "Data input/output port A0, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "3",
        "name": "A1",
        "type": "bidirectional",
        "description": "Data input/output port A1, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "4",
        "name": "A2",
        "type": "bidirectional",
        "description": "Data input/output port A2, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "5",
        "name": "A3",
        "type": "bidirectional",
        "description": "Data input/output port A3, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "6",
        "name": "A4",
        "type": "bidirectional",
        "description": "Data input/output port A4, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "7",
        "name": "A5",
        "type": "bidirectional",
        "description": "Data input/output port A5, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "8",
        "name": "A6",
        "type": "bidirectional",
        "description": "Data input/output port A6, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "9",
        "name": "A7",
        "type": "bidirectional",
        "description": "Data input/output port A7, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference for all voltages on the device."
      },
      {
        "number": "11",
        "name": "B7",
        "type": "bidirectional",
        "description": "Data input/output port B7, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "12",
        "name": "B6",
        "type": "bidirectional",
        "description": "Data input/output port B6, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "13",
        "name": "B5",
        "type": "bidirectional",
        "description": "Data input/output port B5, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "14",
        "name": "B4",
        "type": "bidirectional",
        "description": "Data input/output port B4, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "15",
        "name": "B3",
        "type": "bidirectional",
        "description": "Data input/output port B3, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "16",
        "name": "B2",
        "type": "bidirectional",
        "description": "Data input/output port B2, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "17",
        "name": "B1",
        "type": "bidirectional",
        "description": "Data input/output port B1, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "18",
        "name": "B0",
        "type": "bidirectional",
        "description": "Data input/output port B0, which goes to the high-impedance OFF-state when OE is HIGH (Table 3)."
      },
      {
        "number": "19",
        "name": "OE",
        "type": "input",
        "description": "Active-LOW output enable; a HIGH level forces all data outputs into the high-impedance OFF-state (Table 3)."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; the recommended range is 1.65 V to 3.6 V, with functional operation specified down to 1.2 V (Table 5)."
      }
    ],
    "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: Table 3 (function selection) text is partly garbled in the extracted PDF text, so the DIR-to-transfe; The datasheet gives no separate per-pin electrical limits for the A/B data pins; the descriptions re; The datasheet calls pin 10 ground (0 V) and pin 20 supply voltage; the Table 2 pin mapping is for th"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0917,
        "at": "2026-10-18T11:12:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579712077533282304",
        "pages": 16,
        "sha256": "e87a15c19e7cc6c5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "74lvc245ad.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74lvc245ad-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9ccd7d6d346d3bd58ad0333fdd01bf8da365ae80ef63f376224175f7d91d9b1c",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}