MC14040BDR2G

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc14040bdr2g",
  "title": "MC14040BDR2G",
  "brief": "onsemi Counters / Dividers, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "mc14040bdr2g"
  ],
  "component": {
    "mpn": "MC14040BDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters / Dividers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc14040b-d.pdf",
    "parts": {
      "symbol": "mc14040bdr2g.kicad_sym",
      "footprint": "mc14040bdr2g.kicad_mod",
      "model_3d": "mc14040bdr2g-etched.glb",
      "model_3d_plain": "mc14040bdr2g.glb",
      "model_3d_step": "mc14040bdr2g-etched.step",
      "model_3d_step_plain": "mc14040bdr2g.step",
      "lbr": "mc14040bdr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C62403"
    },
    "pins": [
      {
        "number": "1",
        "name": "Q12",
        "type": "output",
        "description": "Counter output stage 12 (MSB, divide-by-4096). CMOS push-pull output, high in reset-cleared state means low."
      },
      {
        "number": "2",
        "name": "Q6",
        "type": "output",
        "description": "Counter output stage 6 (divide-by-64). CMOS push-pull output."
      },
      {
        "number": "3",
        "name": "Q5",
        "type": "output",
        "description": "Counter output stage 5 (divide-by-32). CMOS push-pull output."
      },
      {
        "number": "4",
        "name": "Q7",
        "type": "output",
        "description": "Counter output stage 7 (divide-by-128). CMOS push-pull output."
      },
      {
        "number": "5",
        "name": "Q4",
        "type": "output",
        "description": "Counter output stage 4 (divide-by-16). CMOS push-pull output."
      },
      {
        "number": "6",
        "name": "Q3",
        "type": "output",
        "description": "Counter output stage 3 (divide-by-8). CMOS push-pull output."
      },
      {
        "number": "7",
        "name": "Q2",
        "type": "output",
        "description": "Counter output stage 2 (divide-by-4). CMOS push-pull output."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply / ground reference. Typically 0 V."
      },
      {
        "number": "9",
        "name": "Q1",
        "type": "output",
        "description": "Counter output stage 1 (LSB, divide-by-2). CMOS push-pull output."
      },
      {
        "number": "10",
        "name": "C",
        "type": "input",
        "description": "Clock input. Counter advances on the negative-going edge of the clock. Schmitt-shaped input with diode protection; VIH >= 0.7*VDD, VIL <= 0.3*VDD."
      },
      {
        "number": "11",
        "name": "R",
        "type": "input",
        "description": "Asynchronous reset input, active high. A high level forces all Q outputs low regardless of the clock; must be held low for normal counting."
      },
      {
        "number": "12",
        "name": "Q9",
        "type": "output",
        "description": "Counter output stage 9 (divide-by-512). CMOS push-pull output."
      },
      {
        "number": "13",
        "name": "Q8",
        "type": "output",
        "description": "Counter output stage 8 (divide-by-256). CMOS push-pull output."
      },
      {
        "number": "14",
        "name": "Q10",
        "type": "output",
        "description": "Counter output stage 10 (divide-by-1024). CMOS push-pull output."
      },
      {
        "number": "15",
        "name": "Q11",
        "type": "output",
        "description": "Counter output stage 11 (divide-by-2048). CMOS push-pull output."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage. Operating range 3.0 V to 18 V; absolute maximum -0.5 V to +18.0 V referenced to VSS."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc14040b-d.pdf",
        "pages": 8,
        "sha256": "b8b18b3a9e3cff9e",
        "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": "CD4040",
      "logic_family": "CD4000",
      "function_code": "4040",
      "function_class": "Counter",
      "function_name": "12-Bit Binary Counter",
      "manufacturer": "Onsemi (Motorola legacy)",
      "is_specialty": false
    },
    "models_3d": [
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        "file": "mc14040bdr2g.step",
        "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": "mc14040bdr2g-etched.step",
        "role": "eda",
        "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": "dafeebc1a710db3617d3cfda20beb89e18b44f8031bf8efe1c21522b8d971d41",
        "checked": "2026-10-19",
        "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": [
    "mc14040bdr2g"
  ],
  "discovery_pitch": "MC14040BDR2G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mc14040bdr2g.kicad_sym",
    "mc14040bdr2g.kicad_mod",
    "mc14040bdr2g.glb",
    "mc14040bdr2g.step",
    "mc14040bdr2g-etched.step",
    "mc14040bdr2g.lbr",
    "docs/hero.png",
    "docs/mc14040bdr2g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MC14040BDR2GDG",
      "kind": "packaging"
    },
    {
      "mpn": "MC14040BDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "MC14040BDR2GDTR2G",
      "kind": "packaging"
    },
    {
      "mpn": "MC14040BDR2GFELG",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:41:53.127Z"
}