CD4518BM

{
  "slug": "cd4518bm",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Counters, Dividers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd4518bm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4518bm.kicad_sym",
    "cd4518bm.kicad_mod",
    "cd4518bm.glb",
    "cd4518bm.step",
    "cd4518bm.lbr",
    "docs/hero.png",
    "docs/cd4518bm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd4518bm-hero.glb",
    "cd4518bm-hero.overlay.json",
    "cd4518bm-etched.glb"
  ],
  "component": {
    "mpn": "CD4518BM",
    "manufacturer": "HGSEMI",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/446688547299c27c4844dcda612e864d.pdf",
    "parts": {
      "symbol": "cd4518bm.kicad_sym",
      "footprint": "cd4518bm.kicad_mod",
      "model_3d": "cd4518bm-hero.glb",
      "model_3d_plain": "cd4518bm-etched.glb",
      "model_3d_step": "cd4518bm-etched.step",
      "model_3d_step_plain": "cd4518bm.step",
      "lbr": "cd4518bm.lbr"
    },
    "distributor_links": {
      "lcsc": "C5310785",
      "digikey": "2156-CD4518BM-ND",
      "mouser": "595-CD4518BM"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T23:35:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-CD4518BM-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-CD4518BM",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CLOCK A",
        "type": "input",
        "description": "Clock input of counter A, which increments on the positive-going transition when ENABLE A is held high."
      },
      {
        "number": "2",
        "name": "ENABLE A",
        "type": "input",
        "description": "Enable input of counter A, interchangeable with CLOCK for incrementing on the negative-going transition, and held high for single-unit operation."
      },
      {
        "number": "3",
        "name": "Q1A",
        "type": "output",
        "description": "Counter A stage 1 output."
      },
      {
        "number": "4",
        "name": "Q2A",
        "type": "output",
        "description": "Counter A stage 2 output."
      },
      {
        "number": "5",
        "name": "Q3A",
        "type": "output",
        "description": "Counter A stage 3 output."
      },
      {
        "number": "6",
        "name": "Q4A",
        "type": "output",
        "description": "Counter A stage 4 output, which can be connected to the enable input of the next counter for ripple cascading."
      },
      {
        "number": "7",
        "name": "RESET A",
        "type": "input",
        "description": "Reset input of counter A, where a high level clears Q1 through Q4 to 0."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground (VSS) reference for the supply."
      },
      {
        "number": "9",
        "name": "CLOCK B",
        "type": "input",
        "description": "Clock input of counter B, which increments on the positive-going transition when ENABLE B is held high."
      },
      {
        "number": "10",
        "name": "ENABLE B",
        "type": "input",
        "description": "Enable input of counter B, interchangeable with CLOCK for incrementing on the negative-going transition, and held high for single-unit operation."
      },
      {
        "number": "11",
        "name": "Q1B",
        "type": "output",
        "description": "Counter B stage 1 output."
      },
      {
        "number": "12",
        "name": "Q2B",
        "type": "output",
        "description": "Counter B stage 2 output."
      },
      {
        "number": "13",
        "name": "Q3B",
        "type": "output",
        "description": "Counter B stage 3 output."
      },
      {
        "number": "14",
        "name": "Q4B",
        "type": "output",
        "description": "Counter B stage 4 output, which can be connected to the enable input of the next counter for ripple cascading."
      },
      {
        "number": "15",
        "name": "RESET B",
        "type": "input",
        "description": "Reset input of counter B, where a high level clears Q1 through Q4 to 0."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, recommended 3V to 15V and absolute maximum 18V relative to VSS."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pinout is a single shared diagram for CD4518B/CD4520B and the DIP-16, SOP-16 and TSSOP-16 packag",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 14,
        "cost_usd": 0.2883,
        "at": "2026-11-04T23:35:10"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/446688547299c27c4844dcda612e864d.pdf",
        "pages": 14,
        "sha256": "38f2cabaace103c8",
        "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": "cd4518bm.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": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd4518bm-etched.step",
        "role": "eda",
        "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": "1f952ff04eee736eabbfb340cc3d01dd3c2690fc30265d058bd40629ace48aad",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}