74LVX245MTCX

{
  "slug": "74lvx245mtcx",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74lvx245mtcx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74lvx245mtcx.kicad_sym",
    "74lvx245mtcx.kicad_mod",
    "74lvx245mtcx.glb",
    "74lvx245mtcx.step",
    "74lvx245mtcx.lbr",
    "docs/hero.png",
    "docs/74lvx245mtcx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74lvx245mtcx-hero.glb",
    "74lvx245mtcx-hero.overlay.json",
    "74lvx245mtcx-etched.glb"
  ],
  "component": {
    "mpn": "74LVX245MTCX",
    "manufacturer": "onsemi",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/74lvx245mtcx-d.pdf",
    "parts": {
      "symbol": "74lvx245mtcx.kicad_sym",
      "footprint": "74lvx245mtcx.kicad_mod",
      "model_3d": "74lvx245mtcx-hero.glb",
      "model_3d_plain": "74lvx245mtcx-etched.glb",
      "model_3d_step": "74lvx245mtcx-etched.step",
      "model_3d_step_plain": "74lvx245mtcx.step",
      "lbr": "74lvx245mtcx.lbr"
    },
    "distributor_links": {
      "lcsc": "C238957",
      "digikey": "2156-74LVX245MTCX-ND",
      "mouser": "512-74LVX245MTCX"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T18:22:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-74LVX245MTCX-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "512-74LVX245MTCX",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "T/R",
        "type": "input",
        "description": "Transmit/Receive input: HIGH sends data from A ports to B ports, LOW sends data from B ports to A ports."
      },
      {
        "number": "2",
        "name": "A0",
        "type": "bidirectional",
        "description": "Side A data input or 3-STATE output, bit 0."
      },
      {
        "number": "3",
        "name": "A1",
        "type": "bidirectional",
        "description": "Side A data input or 3-STATE output, bit 1."
      },
      {
        "number": "4",
        "name": "A2",
        "type": "bidirectional",
        "description": "Side A data input or 3-STATE output, bit 2."
      },
      {
        "number": "5",
        "name": "A3",
        "type": "bidirectional",
        "description": "Side A data input or 3-STATE output, bit 3."
      },
      {
        "number": "6",
        "name": "A4",
        "type": "bidirectional",
        "description": "Side A data input or 3-STATE output, bit 4."
      },
      {
        "number": "7",
        "name": "A5",
        "type": "bidirectional",
        "description": "Side A data input or 3-STATE output, bit 5."
      },
      {
        "number": "8",
        "name": "A6",
        "type": "bidirectional",
        "description": "Side A data input or 3-STATE output, bit 6."
      },
      {
        "number": "9",
        "name": "A7",
        "type": "bidirectional",
        "description": "Side A data input or 3-STATE output, bit 7."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "11",
        "name": "B7",
        "type": "bidirectional",
        "description": "Side B data input or 3-STATE output, bit 7."
      },
      {
        "number": "12",
        "name": "B6",
        "type": "bidirectional",
        "description": "Side B data input or 3-STATE output, bit 6."
      },
      {
        "number": "13",
        "name": "B5",
        "type": "bidirectional",
        "description": "Side B data input or 3-STATE output, bit 5."
      },
      {
        "number": "14",
        "name": "B4",
        "type": "bidirectional",
        "description": "Side B data input or 3-STATE output, bit 4."
      },
      {
        "number": "15",
        "name": "B3",
        "type": "bidirectional",
        "description": "Side B data input or 3-STATE output, bit 3."
      },
      {
        "number": "16",
        "name": "B2",
        "type": "bidirectional",
        "description": "Side B data input or 3-STATE output, bit 2."
      },
      {
        "number": "17",
        "name": "B1",
        "type": "bidirectional",
        "description": "Side B data input or 3-STATE output, bit 1."
      },
      {
        "number": "18",
        "name": "B0",
        "type": "bidirectional",
        "description": "Side B data input or 3-STATE output, bit 0."
      },
      {
        "number": "19",
        "name": "OE",
        "type": "input",
        "description": "Output Enable input: when HIGH, both A and B ports are placed in high impedance."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 2.0V to 3.6V (absolute maximum -0.5V to 7.0V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The connection diagram on page 2 is a single 20-pin diagram. It is not labeled by package, so I appl",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.2673,
        "at": "2026-10-21T18:17:17"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/74lvx245mtcx-d.pdf",
        "pages": 8,
        "sha256": "fc4e9b51b00d7319",
        "source_tier": "mfr"
      },
      "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": "74lvx245mtcx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74lvx245mtcx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e4b4885fa589edce7ae4eafb40b374b9e99ec9215e2d467b6564786c72881e6a",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}