HEF4104BT

{
  "slug": "hef4104bt",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Translators, Level Shifters, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "hef4104bt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hef4104bt.kicad_sym",
    "hef4104bt.kicad_mod",
    "hef4104bt.glb",
    "hef4104bt.step",
    "hef4104bt.lbr",
    "docs/hero.png",
    "docs/hef4104bt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hef4104bt-hero.glb",
    "hef4104bt-hero.overlay.json",
    "hef4104bt-etched.glb"
  ],
  "component": {
    "mpn": "HEF4104BT",
    "manufacturer": "Nexperia",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Translators, Level Shifters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193698200043520",
    "parts": {
      "symbol": "hef4104bt.kicad_sym",
      "footprint": "hef4104bt.kicad_mod",
      "model_3d": "hef4104bt-hero.glb",
      "model_3d_plain": "hef4104bt-etched.glb",
      "model_3d_step": "hef4104bt-etched.step",
      "model_3d_step_plain": "hef4104bt.step",
      "lbr": "hef4104bt.lbr"
    },
    "distributor_links": {
      "lcsc": "C7531"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T09:45:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD(B)",
        "type": "power_in",
        "description": "Supply voltage for port B; must be greater than or equal to VDD(A), with 15 V as the recommended maximum and -0.5 V to +18 V as the absolute limit."
      },
      {
        "number": "2",
        "name": "~B0",
        "type": "tri_state",
        "description": "Complementary data output B0, the inverse of data output B0; it goes to high-impedance OFF-state when OE is LOW."
      },
      {
        "number": "3",
        "name": "B0",
        "type": "tri_state",
        "description": "Data output B0 follows data input A0 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW."
      },
      {
        "number": "4",
        "name": "A0",
        "type": "input",
        "description": "Data input A0 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A)."
      },
      {
        "number": "5",
        "name": "A1",
        "type": "input",
        "description": "Data input A1 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A)."
      },
      {
        "number": "6",
        "name": "B1",
        "type": "tri_state",
        "description": "Data output B1 follows data input A1 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW."
      },
      {
        "number": "7",
        "name": "~B1",
        "type": "tri_state",
        "description": "Complementary data output B1, the inverse of data output B1; it goes to high-impedance OFF-state when OE is LOW."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Common negative supply voltage, 0 V (ground) reference for all voltages in the device."
      },
      {
        "number": "9",
        "name": "~B2",
        "type": "tri_state",
        "description": "Complementary data output B2, the inverse of data output B2; it goes to high-impedance OFF-state when OE is LOW."
      },
      {
        "number": "10",
        "name": "B2",
        "type": "tri_state",
        "description": "Data output B2 follows data input A2 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW."
      },
      {
        "number": "11",
        "name": "A2",
        "type": "input",
        "description": "Data input A2 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A)."
      },
      {
        "number": "12",
        "name": "A3",
        "type": "input",
        "description": "Data input A3 on the port A supply domain, with an input range of 0 V to VDD(A) and clamp diodes that allow a current-limited external resistor for voltages above VDD(A)."
      },
      {
        "number": "13",
        "name": "B3",
        "type": "tri_state",
        "description": "Data output B3 follows data input A3 when OE is HIGH and goes to high-impedance OFF-state when OE is LOW."
      },
      {
        "number": "14",
        "name": "~B3",
        "type": "tri_state",
        "description": "Complementary data output B3, the inverse of data output B3; it goes to high-impedance OFF-state when OE is LOW."
      },
      {
        "number": "15",
        "name": "OE",
        "type": "input",
        "description": "Output enable input; HIGH passes the An inputs to the outputs, while LOW forces all Bn and Bn outputs into the high-impedance OFF-state."
      },
      {
        "number": "16",
        "name": "VDD(A)",
        "type": "power_in",
        "description": "Supply voltage for port A; must be at least 3 V and less than or equal to VDD(B), with -0.5 V to +18 V as the absolute limit."
      }
    ],
    "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 text extraction dropped the overbars, so the complementary outputs are labelled 'B0 (c; Pin types for B outputs are set to tri_state because the datasheet describes 3-state outputs with a ; The HEF4104BT is the SO16 package (SOT109-1), which matches the requested SOIC-16 hint. No other pac"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0748,
        "at": "2026-10-18T09:43:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193698200043520",
        "pages": 12,
        "sha256": "7e651ba2e78481da",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "hef4104bt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hef4104bt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4d4bf5c17a9ebc6f1273801bb1334dadb88678f12db52fd8509d103fc96c9851",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}