MC74HC4067ADWR2G

{
  "slug": "mc74hc4067adwr2g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Signal Switches, Multiplexers, Decoders, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "mc74hc4067adwr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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    "README.md",
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    "mc74hc4067adwr2g.kicad_mod",
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    "mc74hc4067adwr2g.step",
    "mc74hc4067adwr2g.lbr",
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    "docs/mc74hc4067adwr2g-datasheet.pdf",
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  "component": {
    "mpn": "MC74HC4067ADWR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-24-300mil",
    "pin_count": 24,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588930540241739776",
    "parts": {
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      "footprint": "mc74hc4067adwr2g.kicad_mod",
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      "lbr": "mc74hc4067adwr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C899703",
      "digikey": "MC74HC4067ADWR2GOSTR-ND",
      "mouser": "863-MC74HC4067ADWR2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T01:24:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MC74HC4067ADWR2GOSTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "863-MC74HC4067ADWR2G",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMMON",
        "type": "bidirectional",
        "description": "Common analog input/output of the 16-channel switch, which can swing across the full supply range from GND to VCC."
      },
      {
        "number": "2",
        "name": "I7",
        "type": "bidirectional",
        "description": "Analog channel 7 input/output, connected to COMMON when S3-S0 select 7 and E is low."
      },
      {
        "number": "3",
        "name": "I6",
        "type": "bidirectional",
        "description": "Analog channel 6 input/output, connected to COMMON when S3-S0 select 6 and E is low."
      },
      {
        "number": "4",
        "name": "I5",
        "type": "bidirectional",
        "description": "Analog channel 5 input/output, connected to COMMON when S3-S0 select 5 and E is low."
      },
      {
        "number": "5",
        "name": "I4",
        "type": "bidirectional",
        "description": "Analog channel 4 input/output, connected to COMMON when S3-S0 select 4 and E is low."
      },
      {
        "number": "6",
        "name": "I3",
        "type": "bidirectional",
        "description": "Analog channel 3 input/output, connected to COMMON when S3-S0 select 3 and E is low."
      },
      {
        "number": "7",
        "name": "I2",
        "type": "bidirectional",
        "description": "Analog channel 2 input/output, connected to COMMON when S3-S0 select 2 and E is low."
      },
      {
        "number": "8",
        "name": "I1",
        "type": "bidirectional",
        "description": "Analog channel 1 input/output, connected to COMMON when S3-S0 select 1 and E is low."
      },
      {
        "number": "9",
        "name": "I0",
        "type": "bidirectional",
        "description": "Analog channel 0 input/output, connected to COMMON when S3-S0 select 0 and E is low."
      },
      {
        "number": "10",
        "name": "S0",
        "type": "input",
        "description": "Channel-select input bit 0 (LSB) of the 1-of-16 decoder; VIH min 3.15 V and VIL max 1.35 V at VCC = 4.5 V."
      },
      {
        "number": "11",
        "name": "S1",
        "type": "input",
        "description": "Channel-select input bit 1 of the 1-of-16 decoder; VIH min 3.15 V and VIL max 1.35 V at VCC = 4.5 V."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the supply and for the analog and digital signals."
      },
      {
        "number": "13",
        "name": "S3",
        "type": "input",
        "description": "Channel-select input bit 3 (MSB) of the 1-of-16 decoder; VIH min 3.15 V and VIL max 1.35 V at VCC = 4.5 V."
      },
      {
        "number": "14",
        "name": "S2",
        "type": "input",
        "description": "Channel-select input bit 2 of the 1-of-16 decoder; VIH min 3.15 V and VIL max 1.35 V at VCC = 4.5 V."
      },
      {
        "number": "15",
        "name": "E",
        "type": "input",
        "description": "Enable input; low enables the selected channel and high turns all switches off (no channel selected)."
      },
      {
        "number": "16",
        "name": "I15",
        "type": "bidirectional",
        "description": "Analog channel 15 input/output, connected to COMMON when S3-S0 select 15 and E is low."
      },
      {
        "number": "17",
        "name": "I14",
        "type": "bidirectional",
        "description": "Analog channel 14 input/output, connected to COMMON when S3-S0 select 14 and E is low."
      },
      {
        "number": "18",
        "name": "I13",
        "type": "bidirectional",
        "description": "Analog channel 13 input/output, connected to COMMON when S3-S0 select 13 and E is low."
      },
      {
        "number": "19",
        "name": "I12",
        "type": "bidirectional",
        "description": "Analog channel 12 input/output, connected to COMMON when S3-S0 select 12 and E is low."
      },
      {
        "number": "20",
        "name": "I11",
        "type": "bidirectional",
        "description": "Analog channel 11 input/output, connected to COMMON when S3-S0 select 11 and E is low."
      },
      {
        "number": "21",
        "name": "I10",
        "type": "bidirectional",
        "description": "Analog channel 10 input/output, connected to COMMON when S3-S0 select 10 and E is low."
      },
      {
        "number": "22",
        "name": "I9",
        "type": "bidirectional",
        "description": "Analog channel 9 input/output, connected to COMMON when S3-S0 select 9 and E is low."
      },
      {
        "number": "23",
        "name": "I8",
        "type": "bidirectional",
        "description": "Analog channel 8 input/output, connected to COMMON when S3-S0 select 8 and E is low."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, 2.0 to 6.0 V recommended (absolute maximum -0.5 to +7.0 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The Figure 1 pin-assignment text in the extracted datasheet is scrambled, so the right-side pin numb; E and S2 are both on pins 14 and 15 and the extracted text does not clearly show which pin is which;; The datasheet gives no separate pinout for the SOIC-24 package beyond Figure 1, and the requested SO"
        ],
        "pages_sent": 13,
        "cost_usd": 0.079,
        "at": "2026-10-21T01:21:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588930540241739776",
        "pages": 13,
        "sha256": "9becdf713e6b3017",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "origin": "footprint origin = pad-pattern centre",
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        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "role": "eda",
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        "sha256": "ae398f665f381fbc73290fa873bcb6d884095e200ddff96b5c80371b98fdd4b9",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}