SN74ABT5402ADWR

{
  "slug": "sn74abt5402adwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Buffer/Driver/Transceiver, SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "sn74abt5402adwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74abt5402adwr.kicad_sym",
    "sn74abt5402adwr.kicad_mod",
    "sn74abt5402adwr.glb",
    "sn74abt5402adwr.step",
    "sn74abt5402adwr.lbr",
    "docs/hero.png",
    "docs/sn74abt5402adwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74abt5402adwr-hero.glb",
    "sn74abt5402adwr-hero.overlay.json",
    "sn74abt5402adwr-etched.glb"
  ],
  "component": {
    "mpn": "SN74ABT5402ADWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-28-300mil",
    "pin_count": 28,
    "category": "Logic ICs",
    "subcategory": "Buffer/Driver/Transceiver",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74abt5402adwr.pdf",
    "parts": {
      "symbol": "sn74abt5402adwr.kicad_sym",
      "footprint": "sn74abt5402adwr.kicad_mod",
      "model_3d": "sn74abt5402adwr-hero.glb",
      "model_3d_plain": "sn74abt5402adwr-etched.glb",
      "model_3d_step": "sn74abt5402adwr-etched.step",
      "model_3d_step_plain": "sn74abt5402adwr.step",
      "lbr": "sn74abt5402adwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2868753",
      "digikey": "296-4020-2-ND",
      "mouser": "595-SN74ABT5402ADWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T00:44:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-4020-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74ABT5402ADWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Y1",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 1, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "2",
        "name": "Y2",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 2, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "3",
        "name": "Y3",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 3, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "4",
        "name": "Y4",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 4, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "5",
        "name": "Y5",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 5, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "6",
        "name": "Y6",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 6, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "Y7",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 7, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "9",
        "name": "Y8",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 8, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "10",
        "name": "Y9",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 9, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "11",
        "name": "Y10",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 10, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "12",
        "name": "Y11",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 11, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "13",
        "name": "Y12",
        "type": "tri_state",
        "description": "Buffered 3-state output of channel 12, designed to source or sink up to 12 mA with an internal 25-Ω series resistor."
      },
      {
        "number": "14",
        "name": "OE1",
        "type": "input",
        "description": "Active-low output enable; when OE1 or OE2 is high, all 12 outputs are placed in the high-impedance state, and OE should be pulled up to VCC through a resistor to ensure high impedance during power up/down."
      },
      {
        "number": "15",
        "name": "OE2",
        "type": "input",
        "description": "Active-low output enable; when OE2 or OE1 is high, all 12 outputs are placed in the high-impedance state, and OE should be pulled up to VCC through a resistor to ensure high impedance during power up/down."
      },
      {
        "number": "16",
        "name": "D12",
        "type": "input",
        "description": "Data input for channel 12, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "17",
        "name": "D11",
        "type": "input",
        "description": "Data input for channel 11, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "18",
        "name": "D10",
        "type": "input",
        "description": "Data input for channel 10, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "19",
        "name": "D9",
        "type": "input",
        "description": "Data input for channel 9, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "20",
        "name": "D8",
        "type": "input",
        "description": "Data input for channel 8, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "21",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 4.5 V to 5.5 V."
      },
      {
        "number": "22",
        "name": "D7",
        "type": "input",
        "description": "Data input for channel 7, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "23",
        "name": "D6",
        "type": "input",
        "description": "Data input for channel 6, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "24",
        "name": "D5",
        "type": "input",
        "description": "Data input for channel 5, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "25",
        "name": "D4",
        "type": "input",
        "description": "Data input for channel 4, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "26",
        "name": "D3",
        "type": "input",
        "description": "Data input for channel 3, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "27",
        "name": "D2",
        "type": "input",
        "description": "Data input for channel 2, with input voltage range 0 to VCC; unused inputs must be held high or low."
      },
      {
        "number": "28",
        "name": "D1",
        "type": "input",
        "description": "Data input for channel 1, with input voltage range 0 to VCC; unused inputs must be held high or low."
      }
    ],
    "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 pin-number-to-name mapping for the DW package was reconstructed from a garbled text extraction o; The datasheet does not state the 300 mil body width. The package is identified as DW, 28-pin plastic; Pin descriptions are limited to what the datasheet states. No per-pin electrical limits beyond the r"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0651,
        "at": "2026-10-31T00:43:54"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74abt5402adwr.pdf",
        "pages": 13,
        "sha256": "7bbf7e402f2a9b66",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn74abt5402adwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          17.9,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b889a13dbe9ec59e79fa9f1b5118b00bfa54f9582392335ff3365b64afc264b1",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74abt5402adwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          17.9,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "da08ad3491a7a14618fb2452e33183a00e84e3948e12969f472229180a9715b4",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "DW",
      "E1": {
        "nom_mm": 7.5,
        "range_mm": null
      },
      "E": {
        "nom_mm": 10.3,
        "range_mm": null
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": null
      },
      "source": "TI package designator DW (no drawing in the datasheet)",
      "model_check": {
        "file": "sn74abt5402adwr.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}