SN74LVT245BDWR

{
  "slug": "sn74lvt245bdwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74lvt245bdwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74lvt245bdwr.kicad_sym",
    "sn74lvt245bdwr.kicad_mod",
    "sn74lvt245bdwr.glb",
    "sn74lvt245bdwr.step",
    "sn74lvt245bdwr.lbr",
    "docs/hero.png",
    "docs/sn74lvt245bdwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74lvt245bdwr-hero.glb",
    "sn74lvt245bdwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN74LVT245BDWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74lvt245b",
    "parts": {
      "symbol": "sn74lvt245bdwr.kicad_sym",
      "footprint": "sn74lvt245bdwr.kicad_mod",
      "model_3d": "sn74lvt245bdwr-hero.glb",
      "model_3d_plain": "sn74lvt245bdwr.glb",
      "model_3d_step": "sn74lvt245bdwr-etched.step",
      "model_3d_step_plain": "sn74lvt245bdwr.step",
      "lbr": "sn74lvt245bdwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675854",
      "digikey": "296-8651-2-ND",
      "mouser": "595-SN74LVT245BDWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T07:53:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-8651-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74LVT245BDWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DIR",
        "type": "input",
        "description": "Direction control input; low selects B bus data to A bus transmission, high selects A bus data to B bus transmission."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "bidirectional",
        "description": "Bus A transceiver data line bit 1 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "bidirectional",
        "description": "Bus A transceiver data line bit 2 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "4",
        "name": "A3",
        "type": "bidirectional",
        "description": "Bus A transceiver data line bit 3 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "5",
        "name": "A4",
        "type": "bidirectional",
        "description": "Bus A transceiver data line bit 4 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "6",
        "name": "A5",
        "type": "bidirectional",
        "description": "Bus A transceiver data line bit 5 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "7",
        "name": "A6",
        "type": "bidirectional",
        "description": "Bus A transceiver data line bit 6 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "8",
        "name": "A7",
        "type": "bidirectional",
        "description": "Bus A transceiver data line bit 7 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "9",
        "name": "A8",
        "type": "bidirectional",
        "description": "Bus A transceiver data line bit 8 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V)."
      },
      {
        "number": "11",
        "name": "B8",
        "type": "bidirectional",
        "description": "Bus B transceiver data line bit 8 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "12",
        "name": "B7",
        "type": "bidirectional",
        "description": "Bus B transceiver data line bit 7 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "13",
        "name": "B6",
        "type": "bidirectional",
        "description": "Bus B transceiver data line bit 6 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "14",
        "name": "B5",
        "type": "bidirectional",
        "description": "Bus B transceiver data line bit 5 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "15",
        "name": "B4",
        "type": "bidirectional",
        "description": "Bus B transceiver data line bit 4 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "16",
        "name": "B3",
        "type": "bidirectional",
        "description": "Bus B transceiver data line bit 3 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "17",
        "name": "B2",
        "type": "bidirectional",
        "description": "Bus B transceiver data line bit 2 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "18",
        "name": "B1",
        "type": "bidirectional",
        "description": "Bus B transceiver data line bit 1 with mixed-mode 5-V input/output support on 3.3-V core."
      },
      {
        "number": "19",
        "name": "OE",
        "type": "input",
        "description": "Output enable control input; low enables transceiver outputs, high places all outputs in high-impedance state."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply voltage (2.7 V to 3.6 V nominal), supports mixed-mode 5-V signal operation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 22,
        "cost_usd": 0.1451,
        "at": "2026-10-07T07:53:40"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74lvt245b",
        "pages": 22,
        "sha256": "edba6f3dad321ba6",
        "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": "sn74lvt245bdwr.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74lvt245bdwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1d29b34cf2eb991e40e5e47a8a4e695eb6987bbad359172939339dd87d27c229",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}