CD4018BE

{
  "slug": "cd4018be",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Counters, Dividers, PDIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd4018be",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4018be.kicad_sym",
    "cd4018be.kicad_mod",
    "cd4018be.glb",
    "cd4018be.step",
    "cd4018be.lbr",
    "docs/hero.png",
    "docs/cd4018be-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd4018be-hero.glb",
    "cd4018be-hero.overlay.json",
    "cd4018be-etched.glb"
  ],
  "component": {
    "mpn": "CD4018BE",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd4018b",
    "parts": {
      "symbol": "cd4018be.kicad_sym",
      "footprint": "cd4018be.kicad_mod",
      "model_3d": "cd4018be-hero.glb",
      "model_3d_plain": "cd4018be-etched.glb",
      "model_3d_step": "cd4018be-etched.step",
      "model_3d_step_plain": "cd4018be.step",
      "lbr": "cd4018be.lbr"
    },
    "distributor_links": {
      "lcsc": "C2871901",
      "digikey": "296-14236-ND",
      "mouser": "595-CD4018BE"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T07:18:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-14236-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-CD4018BE",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DATA",
        "type": "input",
        "description": "Serial data input to the first Johnson-counter stage; feed back Q5, Q4, Q3, Q2 or Q1 outputs here for divide-by-10, 8, 6, 4 or 2."
      },
      {
        "number": "2",
        "name": "JAM 1",
        "type": "input",
        "description": "Jam (preset) input for stage 1, loaded into the counter when PRESET ENABLE is high."
      },
      {
        "number": "3",
        "name": "JAM 2",
        "type": "input",
        "description": "Jam (preset) input for stage 2, loaded into the counter when PRESET ENABLE is high."
      },
      {
        "number": "4",
        "name": "Q2̅",
        "type": "output",
        "description": "Buffered inverted output of counter stage 2."
      },
      {
        "number": "5",
        "name": "Q1̅",
        "type": "output",
        "description": "Buffered inverted output of counter stage 1."
      },
      {
        "number": "6",
        "name": "Q3̅",
        "type": "output",
        "description": "Buffered inverted output of counter stage 3."
      },
      {
        "number": "7",
        "name": "JAM 3",
        "type": "input",
        "description": "Jam (preset) input for stage 3, loaded into the counter when PRESET ENABLE is high."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / negative supply terminal; all voltages are referenced to VSS."
      },
      {
        "number": "9",
        "name": "JAM 4",
        "type": "input",
        "description": "Jam (preset) input for stage 4, loaded into the counter when PRESET ENABLE is high."
      },
      {
        "number": "10",
        "name": "PRESET ENABLE",
        "type": "input",
        "description": "A high level allows the information on the JAM inputs to preset the counter."
      },
      {
        "number": "11",
        "name": "Q4̅",
        "type": "output",
        "description": "Buffered inverted output of counter stage 4."
      },
      {
        "number": "12",
        "name": "JAM 5",
        "type": "input",
        "description": "Jam (preset) input for stage 5, loaded into the counter when PRESET ENABLE is high."
      },
      {
        "number": "13",
        "name": "Q5̅",
        "type": "output",
        "description": "Buffered inverted output of counter stage 5."
      },
      {
        "number": "14",
        "name": "CLOCK",
        "type": "input",
        "description": "Clock input with Schmitt trigger action allowing unlimited rise and fall times; the counter advances one count on the positive clock transition."
      },
      {
        "number": "15",
        "name": "RESET",
        "type": "input",
        "description": "A high level clears the counter to an all-zero condition."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply; recommended 3 V to 18 V, absolute maximum -0.5 V to +20 V referenced 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": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet calls the E-suffix package '16-lead dual-in-line plastic'. It never prints the name PD",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.1826,
        "at": "2026-10-16T07:18:12"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd4018b",
        "pages": 20,
        "sha256": "c8693929a49778b6",
        "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": "cd4018be.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd4018be-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d627688b90ef4180a49c30514c9bee0778dafd6ac6aff34214aa7b0c5672de70",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}