CD74HCT4067M

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd74hct4067m",
  "title": "CD74HCT4067M",
  "brief": "Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "logic",
    "cd74hct4067m",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "CD74HCT4067M",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-24-300mil",
    "pin_count": 24,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd74hct4067",
    "parts": {
      "symbol": "cd74hct4067m.kicad_sym",
      "footprint": "cd74hct4067m.kicad_mod",
      "model_3d": "cd74hct4067m-etched.glb",
      "model_3d_plain": "cd74hct4067m.glb",
      "model_3d_step": "cd74hct4067m-etched.step",
      "model_3d_step_plain": "cd74hct4067m.step",
      "lbr": "cd74hct4067m.lbr"
    },
    "distributor_links": {
      "lcsc": "C424181",
      "digikey": "296-23078-ND",
      "mouser": "595-CD74HCT4067M"
    },
    "distributor_check": {
      "checked_at": "2026-09-26T15:23:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-23078-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CD74HCT4067M",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMMON",
        "type": "bidirectional",
        "description": "Common analog input/output terminal that connects to the selected channel via the internal multiplexer."
      },
      {
        "number": "2",
        "name": "I7",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "3",
        "name": "I6",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "4",
        "name": "I5",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "5",
        "name": "I4",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "6",
        "name": "I3",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "7",
        "name": "I2",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "8",
        "name": "I1",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "9",
        "name": "I0",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "10",
        "name": "S0",
        "type": "input",
        "description": "Binary select input; bit 0 of the 4-bit address code to select one of 16 analog channels."
      },
      {
        "number": "11",
        "name": "S1",
        "type": "input",
        "description": "Binary select input; bit 1 of the 4-bit address code to select one of 16 analog channels."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; negative power supply return."
      },
      {
        "number": "13",
        "name": "S3",
        "type": "input",
        "description": "Binary select input; bit 3 of the 4-bit address code to select one of 16 analog channels."
      },
      {
        "number": "14",
        "name": "S2",
        "type": "input",
        "description": "Binary select input; bit 2 of the 4-bit address code to select one of 16 analog channels."
      },
      {
        "number": "15",
        "name": "E",
        "type": "input",
        "description": "Enable control input; logic high disables all analog switches for isolation, logic low enables the selected channel."
      },
      {
        "number": "16",
        "name": "I15",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "17",
        "name": "I14",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "18",
        "name": "I13",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "19",
        "name": "I12",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "20",
        "name": "I11",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "21",
        "name": "I10",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "22",
        "name": "I9",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "23",
        "name": "I8",
        "type": "bidirectional",
        "description": "Analog channel input/output terminal; bidirectional analog line that switches to or from the common terminal."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply voltage input pin; operates at 4.5V to 5.5V for HCT variant."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 30,
        "cost_usd": 0.3434,
        "at": "2026-09-26T15:23:27"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd74hct4067",
        "pages": 30,
        "sha256": "e850e9dac84801b3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "cd74hct4067m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          15.4,
          2.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4b0d20f82f5b0124fecfe11c941274a3c865a30f7baee8b8fadd7df55972d4cd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "zmin_mm": 0,
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        "sha256": "fb6b2b6d3eb6c04d07095513c58feeb72054c22b0fc58267c41bea44604390ea",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-24-300mil",
      "Category": "Logic",
      "Pins": "24"
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
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  "discovery_pitch": "CD74HCT4067M (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "cd74hct4067m.lbr",
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  "visibility": {
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}