main
Ray Publish 0.1.0 a41a2ed 1d ago
{
  "slug": "cd74hct4052m",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog Switches, Multiplexers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "cd74hct4052m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd74hct4052m.kicad_sym",
    "cd74hct4052m.kicad_mod",
    "cd74hct4052m.glb",
    "cd74hct4052m.step",
    "cd74hct4052m.lbr",
    "docs/hero.png",
    "docs/cd74hct4052m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd74hct4052m-hero.glb",
    "cd74hct4052m-hero.overlay.json"
  ],
  "component": {
    "mpn": "CD74HCT4052M",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd74hct4051",
    "parts": {
      "symbol": "cd74hct4052m.kicad_sym",
      "footprint": "cd74hct4052m.kicad_mod",
      "model_3d": "cd74hct4052m-hero.glb",
      "model_3d_plain": "cd74hct4052m.glb",
      "model_3d_step": "cd74hct4052m-etched.step",
      "model_3d_step_plain": "cd74hct4052m.step",
      "lbr": "cd74hct4052m.lbr"
    },
    "distributor_links": {
      "lcsc": "C1546046",
      "digikey": "296-26029-5-ND",
      "mouser": "595-CD74HCT4052M"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:42:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-26029-5-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-CD74HCT4052M",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CH B0",
        "type": "bidirectional",
        "description": "Channel B0 analog input/output of the B switch bank, which passes analog signals between VEE and VCC when enabled."
      },
      {
        "number": "2",
        "name": "CH B2",
        "type": "bidirectional",
        "description": "Channel B2 analog input/output of the B switch bank, which passes analog signals between VEE and VCC when enabled."
      },
      {
        "number": "3",
        "name": "COM B",
        "type": "bidirectional",
        "description": "Common B analog output/input that connects to the selected B channel, with analog switch voltage limited to VEE to VCC."
      },
      {
        "number": "4",
        "name": "CH B3",
        "type": "bidirectional",
        "description": "Channel B3 analog input/output of the B switch bank, which passes analog signals between VEE and VCC when enabled."
      },
      {
        "number": "5",
        "name": "CH B1",
        "type": "bidirectional",
        "description": "Channel B1 analog input/output of the B switch bank, which passes analog signals between VEE and VCC when enabled."
      },
      {
        "number": "6",
        "name": "E",
        "type": "input",
        "description": "Active-low enable input; when driven high all switches are disabled to the off state, and control inputs must stay within 0 V to VCC."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative power supply input; the datasheet specifies VEE from 0 V to -6 V and VCC - VEE from 2 V to 10 V."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all voltages; the datasheet states that all voltages are referenced to GND unless otherwise noted."
      },
      {
        "number": "9",
        "name": "S1",
        "type": "input",
        "description": "Channel select 1 control input, which together with S0 selects the active channel; logic levels are referenced to GND with VIH minimum 2 V and VIL maximum 0.8 V at 4.5 V to 5.5 V VCC."
      },
      {
        "number": "10",
        "name": "S0",
        "type": "input",
        "description": "Channel select 0 control input, which together with S1 selects the active channel; logic levels are referenced to GND with VIH minimum 2 V and VIL maximum 0.8 V at 4.5 V to 5.5 V VCC."
      },
      {
        "number": "11",
        "name": "CH A3",
        "type": "bidirectional",
        "description": "Channel A3 analog input/output of the A switch bank, which passes analog signals between VEE and VCC when enabled."
      },
      {
        "number": "12",
        "name": "CH A0",
        "type": "bidirectional",
        "description": "Channel A0 analog input/output of the A switch bank, which passes analog signals between VEE and VCC when enabled."
      },
      {
        "number": "13",
        "name": "COM A",
        "type": "bidirectional",
        "description": "Common A analog input/output that connects to the selected A channel, with analog switch voltage limited to VEE to VCC."
      },
      {
        "number": "14",
        "name": "CH A1",
        "type": "bidirectional",
        "description": "Channel A1 analog input/output of the A switch bank, which passes analog signals between VEE and VCC when enabled."
      },
      {
        "number": "15",
        "name": "CH A2",
        "type": "bidirectional",
        "description": "Channel A2 analog input/output of the A switch bank, which passes analog signals between VEE and VCC when enabled."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply input; the datasheet specifies VCC from 2 V to 6 V (HC) and 4.5 V to 5.5 V (HCT), with VCC - VEE up to 10 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 datasheet's pinout covers the CD74HCT4052 in the D (SOIC, 16) package. Pin numbers are taken fro; Page 33 of the package addendum lists CD74HCT4052M as Obsolete. The active SOIC orderable is CD74HCT; Pin types for the channel and common pins are mapped from the datasheet's I/O label to KiCad bidirec"
        ],
        "pages_sent": 22,
        "cost_usd": 0.1298,
        "at": "2026-10-08T20:41:48"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd74hct4051",
        "pages": 50,
        "sha256": "cc5bd993625a4388",
        "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": "cd74hct4052m.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd74hct4052m-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": "969fa13a685febc4d701a4718607b69576828c7f9cfb4c7b9a0c473ed9785a3e",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}