SN74LVT245BDBR

{
  "slug": "sn74lvt245bdbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74lvt245bdbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "README.md",
    "sn74lvt245bdbr.kicad_sym",
    "sn74lvt245bdbr.kicad_mod",
    "sn74lvt245bdbr.glb",
    "sn74lvt245bdbr.step",
    "sn74lvt245bdbr.lbr",
    "docs/hero.png",
    "docs/sn74lvt245bdbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74lvt245bdbr-hero.glb",
    "sn74lvt245bdbr-hero.overlay.json"
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  "component": {
    "mpn": "SN74LVT245BDBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74lvt245b",
    "parts": {
      "symbol": "sn74lvt245bdbr.kicad_sym",
      "footprint": "sn74lvt245bdbr.kicad_mod",
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      "model_3d_step": "sn74lvt245bdbr-etched.step",
      "model_3d_step_plain": "sn74lvt245bdbr.step",
      "lbr": "sn74lvt245bdbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C543012",
      "digikey": "296-8650-2-ND",
      "mouser": "595-SN74LVT245BDBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T01:38:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-8650-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74LVT245BDBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DIR",
        "type": "input",
        "description": "Direction-control input: a low level transfers B data to the A bus and a high level transfers A data to the B bus, per the function table."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "bidirectional",
        "description": "A-bus 3-state input/output terminal 1, which drives or receives data on the A bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "bidirectional",
        "description": "A-bus 3-state input/output terminal 2, which drives or receives data on the A bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "4",
        "name": "A3",
        "type": "bidirectional",
        "description": "A-bus 3-state input/output terminal 3, which drives or receives data on the A bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "5",
        "name": "A4",
        "type": "bidirectional",
        "description": "A-bus 3-state input/output terminal 4, which drives or receives data on the A bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "6",
        "name": "A5",
        "type": "bidirectional",
        "description": "A-bus 3-state input/output terminal 5, which drives or receives data on the A bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "7",
        "name": "A6",
        "type": "bidirectional",
        "description": "A-bus 3-state input/output terminal 6, which drives or receives data on the A bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "8",
        "name": "A7",
        "type": "bidirectional",
        "description": "A-bus 3-state input/output terminal 7, which drives or receives data on the A bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "9",
        "name": "A8",
        "type": "bidirectional",
        "description": "A-bus 3-state input/output terminal 8, which drives or receives data on the A bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; per Note 5, all unused inputs must be held at VCC or GND to ensure proper operation."
      },
      {
        "number": "11",
        "name": "B8",
        "type": "bidirectional",
        "description": "B-bus 3-state input/output terminal 8, which drives or receives data on the B bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "12",
        "name": "B7",
        "type": "bidirectional",
        "description": "B-bus 3-state input/output terminal 7, which drives or receives data on the B bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "13",
        "name": "B6",
        "type": "bidirectional",
        "description": "B-bus 3-state input/output terminal 6, which drives or receives data on the B bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "14",
        "name": "B5",
        "type": "bidirectional",
        "description": "B-bus 3-state input/output terminal 5, which drives or receives data on the B bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "15",
        "name": "B4",
        "type": "bidirectional",
        "description": "B-bus 3-state input/output terminal 4, which drives or receives data on the B bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "16",
        "name": "B3",
        "type": "bidirectional",
        "description": "B-bus 3-state input/output terminal 3, which drives or receives data on the B bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "17",
        "name": "B2",
        "type": "bidirectional",
        "description": "B-bus 3-state input/output terminal 2, which drives or receives data on the B bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "18",
        "name": "B1",
        "type": "bidirectional",
        "description": "B-bus 3-state input/output terminal 1, which drives or receives data on the B bus when OE is low; it is part of the 3.3-V ABT interface with 5-V tolerant inputs (VI up to 5.5 V)."
      },
      {
        "number": "19",
        "name": "OE",
        "type": "input",
        "description": "Active-low output enable: a high level isolates the A and B buses, and per the datasheet it should be tied to VCC through a pullup resistor to keep outputs high-impedance during power up and power down."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended range 2.7 V to 3.6 V (3.3-V nominal 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: The datasheet does not print the '208mil' body width. It only names the package as DB (SSOP, 20-pin,; Pin numbers were taken from the DB/DW/NS/PW top-view drawing on page 1. The text extraction scramble; The logic diagram on page 2 shows pin numbers in an order that does not match the top-view drawing ("
        ],
        "pages_sent": 22,
        "cost_usd": 0.0894,
        "at": "2026-10-11T01:38:01"
      },
      "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
      }
    },
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.1
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9a01a276d0b4d9561efd58f2fcee56f52c1b6ab464ea7a0380cab4e87a924e6",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74lvt245bdbr-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,
        "footprint_binding": "identity",
        "sha256": "1ace5d48ecd7b984db57c329bbe4938cb43a80d8c526cddb1d4f2686af41fe63",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}