SN74AHCU04DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74ahcu04dr",
  "title": "SN74AHCU04DR",
  "brief": "Texas Instruments Inverters, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "logic",
    "sn74ahcu04dr"
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  "component": {
    "mpn": "SN74AHCU04DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Inverters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74ahcu04.pdf",
    "parts": {
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      "footprint": "sn74ahcu04dr.kicad_mod",
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      "model_3d_plain": "sn74ahcu04dr.glb",
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      "model_3d_step_plain": "sn74ahcu04dr.step",
      "lbr": "sn74ahcu04dr.lbr"
    },
    "distributor_links": {
      "digikey": "296-31753-2-ND",
      "mouser": "595-SN74AHCU04DR",
      "lcsc": "C544477"
    },
    "pins": [
      {
        "number": "1",
        "name": "1A",
        "type": "input",
        "description": "Inverter 1 input. CMOS logic input; VIH = 1.7 V (VCC=2V), 2.4 V (VCC=3V), 4.4 V (VCC=5.5V). Drives 1Y = /1A."
      },
      {
        "number": "2",
        "name": "1Y",
        "type": "output",
        "description": "Inverter 1 output. Unbuffered CMOS output; Y = /A. IOH/IOL = ±8 mA at VCC = 5 V ±0.5 V."
      },
      {
        "number": "3",
        "name": "2A",
        "type": "input",
        "description": "Inverter 2 input. CMOS logic input driving 2Y = /2A."
      },
      {
        "number": "4",
        "name": "2Y",
        "type": "output",
        "description": "Inverter 2 output. Unbuffered CMOS output, Y = /A."
      },
      {
        "number": "5",
        "name": "3A",
        "type": "input",
        "description": "Inverter 3 input. CMOS logic input driving 3Y = /3A."
      },
      {
        "number": "6",
        "name": "3Y",
        "type": "output",
        "description": "Inverter 3 output. Unbuffered CMOS output, Y = /A."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference. 0 V return for VCC and all logic signals."
      },
      {
        "number": "8",
        "name": "4Y",
        "type": "output",
        "description": "Inverter 4 output. Unbuffered CMOS output, Y = /A."
      },
      {
        "number": "9",
        "name": "4A",
        "type": "input",
        "description": "Inverter 4 input. CMOS logic input driving 4Y = /4A."
      },
      {
        "number": "10",
        "name": "5Y",
        "type": "output",
        "description": "Inverter 5 output. Unbuffered CMOS output, Y = /A."
      },
      {
        "number": "11",
        "name": "5A",
        "type": "input",
        "description": "Inverter 5 input. CMOS logic input driving 5Y = /5A."
      },
      {
        "number": "12",
        "name": "6Y",
        "type": "output",
        "description": "Inverter 6 output. Unbuffered CMOS output, Y = /A."
      },
      {
        "number": "13",
        "name": "6A",
        "type": "input",
        "description": "Inverter 6 input. CMOS logic input driving 6Y = /6A."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 2 V to 5.5 V. Decouple locally with a 0.1 uF ceramic capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74ahcu04.pdf",
        "pages": 23,
        "sha256": "d32bb24afddf475c",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -3.81
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-14_3.9x8.7mm_P1.27mm@sha256:a885b619b22880c9",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "74AHCU04",
      "logic_family": "74AHCU",
      "function_code": "04",
      "function_class": "Gate",
      "function_name": "Hex Inverter",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74ahcu04dr-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "4aadbaffb5f7746d3519c8b03d8e5a79c4bc21d825bd578c601b72faeda47a8e",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-14",
      "Category": "Logic",
      "Pins": "14"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "sn74ahcu04dr"
  ],
  "discovery_pitch": "SN74AHCU04DR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74ahcu04dr.kicad_sym",
    "sn74ahcu04dr.kicad_mod",
    "sn74ahcu04dr.glb",
    "sn74ahcu04dr.step",
    "sn74ahcu04dr-etched.step",
    "sn74ahcu04dr.lbr",
    "docs/hero.png",
    "docs/sn74ahcu04dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SN74AHCU04DRD",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DRN",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DRNSR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DRDBR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DRPW",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DRPWR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DRDGVR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DRRGYR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DRJ",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DRW",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCU04DRFK",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:46:44.521Z"
}