MC14049UBDR2G

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc14049ubdr2g",
  "title": "MC14049UBDR2G",
  "brief": "onsemi Inverters, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "mc14049ubdr2g"
  ],
  "component": {
    "mpn": "MC14049UBDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Inverters",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc14049ub-d.pdf",
    "parts": {
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      "footprint": "mc14049ubdr2g.kicad_mod",
      "model_3d": "mc14049ubdr2g-etched.glb",
      "model_3d_plain": "mc14049ubdr2g.glb",
      "model_3d_step": "mc14049ubdr2g-etched.step",
      "model_3d_step_plain": "mc14049ubdr2g.step",
      "lbr": "mc14049ubdr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C233449"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply pin. Operating range 3.0 V to 18 V (absolute max -0.5 V to +18.0 V)."
      },
      {
        "number": "2",
        "name": "OUTA",
        "type": "output",
        "description": "Buffer A output - inverted logic level of INA. CMOS push-pull output; drives two TTL/DTL loads at VDD = 5 V (VOL <= 0.4 V, IOL >= 3.2 mA)."
      },
      {
        "number": "3",
        "name": "INA",
        "type": "input",
        "description": "Buffer A input. High-impedance CMOS input; VIN may exceed VDD (up to 18 V) enabling high-to-low level translation."
      },
      {
        "number": "4",
        "name": "OUTB",
        "type": "output",
        "description": "Buffer B output - inverted logic level of INB."
      },
      {
        "number": "5",
        "name": "INB",
        "type": "input",
        "description": "Buffer B input. High-impedance CMOS input; VIN may exceed VDD."
      },
      {
        "number": "6",
        "name": "OUTC",
        "type": "output",
        "description": "Buffer C output - inverted logic level of INC."
      },
      {
        "number": "7",
        "name": "INC",
        "type": "input",
        "description": "Buffer C input. High-impedance CMOS input; VIN may exceed VDD."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / negative supply reference. All voltages referenced to VSS."
      },
      {
        "number": "9",
        "name": "IND",
        "type": "input",
        "description": "Buffer D input. High-impedance CMOS input; VIN may exceed VDD."
      },
      {
        "number": "10",
        "name": "OUTD",
        "type": "output",
        "description": "Buffer D output - inverted logic level of IND."
      },
      {
        "number": "11",
        "name": "INE",
        "type": "input",
        "description": "Buffer E input. High-impedance CMOS input; VIN may exceed VDD."
      },
      {
        "number": "12",
        "name": "OUTE",
        "type": "output",
        "description": "Buffer E output - inverted logic level of INE."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Datasheet states pin 13 is not connected internally; connections to this terminal will not affect circuit operation."
      },
      {
        "number": "14",
        "name": "OUTF",
        "type": "output",
        "description": "Buffer F output - inverted logic level of INF."
      },
      {
        "number": "15",
        "name": "INF",
        "type": "input",
        "description": "Buffer F input. High-impedance CMOS input; VIN may exceed VDD."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Datasheet states pin 16 is not connected internally; connections to this terminal will not affect circuit operation."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc14049ub-d.pdf",
        "pages": 8,
        "sha256": "5dcc468a00c33385",
        "source_tier": "mfr"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -4.445
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "CD4049",
      "logic_family": "CD4000",
      "function_code": "4049",
      "function_class": "Buffer",
      "function_name": "Hex Inverting Buffer / Level Translator",
      "manufacturer": "Onsemi (Motorola legacy)",
      "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,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mc14049ubdr2g-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,
        "centre_offset_mm": 0,
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        "sha256": "affab4a0cf96d9725d503a86003cd1b8f906eaa8b9fdecd5e8119d9edee8c0c9",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mc14049ubdr2g"
  ],
  "discovery_pitch": "MC14049UBDR2G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mc14049ubdr2g.kicad_sym",
    "mc14049ubdr2g.kicad_mod",
    "mc14049ubdr2g.glb",
    "mc14049ubdr2g.step",
    "mc14049ubdr2g-etched.step",
    "mc14049ubdr2g.lbr",
    "docs/hero.png",
    "docs/mc14049ubdr2g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MC14049UBDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "MC14049UBDR2GDG",
      "kind": "packaging"
    },
    {
      "mpn": "MC14049UBDR2GNLVDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "MC14049UBDR2GDTR2G",
      "kind": "packaging"
    },
    {
      "mpn": "MC14049UBDR2GNLVDTR2G",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:42:08.445Z"
}