74AHC245PW-Q100J

{
  "slug": "74ahc245pw-q100j",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74ahc245pw-q100j",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "74ahc245pw-q100j.kicad_sym",
    "74ahc245pw-q100j.kicad_mod",
    "74ahc245pw-q100j.glb",
    "74ahc245pw-q100j.step",
    "74ahc245pw-q100j.lbr",
    "docs/hero.png",
    "docs/74ahc245pw-q100j-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74ahc245pw-q100j-hero.glb",
    "74ahc245pw-q100j-hero.overlay.json",
    "74ahc245pw-q100j-etched.glb"
  ],
  "component": {
    "mpn": "74AHC245PW-Q100J",
    "manufacturer": "Nexperia",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74AHC245PW-Q100J.pdf",
    "parts": {
      "symbol": "74ahc245pw-q100j.kicad_sym",
      "footprint": "74ahc245pw-q100j.kicad_mod",
      "model_3d": "74ahc245pw-q100j-hero.glb",
      "model_3d_plain": "74ahc245pw-q100j-etched.glb",
      "model_3d_step": "74ahc245pw-q100j-etched.step",
      "model_3d_step_plain": "74ahc245pw-q100j.step",
      "lbr": "74ahc245pw-q100j.lbr"
    },
    "distributor_links": {
      "lcsc": "C554335",
      "digikey": "1727-74AHC245PW-Q100JTR-ND",
      "mouser": "771-74AHC245PW-Q100J"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T20:24:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1727-74AHC245PW-Q100JTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "771-74AHC245PW-Q100J",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DIR",
        "type": "input",
        "description": "Direction control input that sets the transfer direction between the A and B ports while OE is LOW, per the function table."
      },
      {
        "number": "2",
        "name": "A0",
        "type": "bidirectional",
        "description": "Data input/output port A0 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "3",
        "name": "A1",
        "type": "bidirectional",
        "description": "Data input/output port A1 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "4",
        "name": "A2",
        "type": "bidirectional",
        "description": "Data input/output port A2 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "5",
        "name": "A3",
        "type": "bidirectional",
        "description": "Data input/output port A3 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "6",
        "name": "A4",
        "type": "bidirectional",
        "description": "Data input/output port A4 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "7",
        "name": "A5",
        "type": "bidirectional",
        "description": "Data input/output port A5 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "8",
        "name": "A6",
        "type": "bidirectional",
        "description": "Data input/output port A6 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "9",
        "name": "A7",
        "type": "bidirectional",
        "description": "Data input/output port A7 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "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 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "12",
        "name": "B6",
        "type": "bidirectional",
        "description": "Data input/output port B6 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "13",
        "name": "B5",
        "type": "bidirectional",
        "description": "Data input/output port B5 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "14",
        "name": "B4",
        "type": "bidirectional",
        "description": "Data input/output port B4 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "15",
        "name": "B3",
        "type": "bidirectional",
        "description": "Data input/output port B3 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "16",
        "name": "B2",
        "type": "bidirectional",
        "description": "Data input/output port B2 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "17",
        "name": "B1",
        "type": "bidirectional",
        "description": "Data input/output port B1 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "18",
        "name": "B0",
        "type": "bidirectional",
        "description": "Data input/output port B0 that goes to high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "19",
        "name": "OE",
        "type": "input",
        "description": "Output enable input, active LOW; a HIGH forces all data outputs into the high-impedance OFF-state."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage: 2.0 V to 5.5 V for 74AHC245-Q100 and 4.5 V to 5.5 V for 74AHCT245-Q100."
      }
    ],
    "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: The MPN suffix 'J' does not appear in the datasheet. The closest listed type is 74AHC245PW-Q100 (TSS"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0421,
        "at": "2026-10-21T20:19:07"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/74AHC245PW-Q100J.pdf",
        "pages": 16,
        "sha256": "571b7aa15f496d1d",
        "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": [
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        "file": "74ahc245pw-q100j.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
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        ],
        "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": "74ahc245pw-q100j-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "9730a380d76bbcd285df689d494cf051b868bcc531358e72d855f297ad8cd2cd",
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  }
}