TC74HC4052AFT

{
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  "type": "component",
  "slug": "tc74hc4052aft",
  "title": "TC74HC4052AFT",
  "brief": "TOSHIBA Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "tc74hc4052aft"
  ],
  "component": {
    "mpn": "TC74HC4052AFT",
    "manufacturer": "TOSHIBA",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908257523453952",
    "parts": {
      "symbol": "tc74hc4052aft.kicad_sym",
      "footprint": "tc74hc4052aft.kicad_mod",
      "model_3d": "tc74hc4052aft-etched.glb",
      "model_3d_plain": "tc74hc4052aft.glb",
      "model_3d_step": "tc74hc4052aft-etched.step",
      "model_3d_step_plain": "tc74hc4052aft.step",
      "lbr": "tc74hc4052aft.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "0Y",
        "type": "bidirectional",
        "description": "Y-bank switch terminal 0. Analog input/output of Y multiplexer channel 0; connected to Y-COM when A=L, B=L and INH=L."
      },
      {
        "number": "2",
        "name": "2Y",
        "type": "bidirectional",
        "description": "Y-bank switch terminal 2. Analog input/output of Y multiplexer channel 2; connected to Y-COM when A=L, B=H and INH=L."
      },
      {
        "number": "3",
        "name": "Y-COM",
        "type": "bidirectional",
        "description": "Y-bank common terminal. Analog input/output shared by the Y-side 4:1 switch; routed to 0Y/1Y/2Y/3Y per the address (A,B) selection when INH=L."
      },
      {
        "number": "4",
        "name": "3Y",
        "type": "bidirectional",
        "description": "Y-bank switch terminal 3. Analog input/output of Y multiplexer channel 3; connected to Y-COM when A=H, B=H and INH=L."
      },
      {
        "number": "5",
        "name": "1Y",
        "type": "bidirectional",
        "description": "Y-bank switch terminal 1. Analog input/output of Y multiplexer channel 1; connected to Y-COM when A=H, B=L and INH=L."
      },
      {
        "number": "6",
        "name": "INH",
        "type": "input",
        "description": "Active-high inhibit (enable) input. When INH=H all analog switches are OFF (both X and Y banks disconnected); when INH=L the address inputs A,B select the ON channel. Digital input referenced to VCC/GND (0 to VCC)."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative analog supply for the switch bodies. Sets the low limit of the analog signal range; operating range -6 to 0 V, and VCC-VEE must be 2 to 12 V. Tie to GND for unipolar (0..VCC) operation."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground / logic reference (0 V). Reference for the control inputs A, B, C (unused on 4052) and INH."
      },
      {
        "number": "9",
        "name": "B",
        "type": "input",
        "description": "Address (select) input B - the MSB of the 2-bit channel select shared by both X and Y banks. Digital logic input referenced to VCC/GND. See Truth Table for A,B → channel mapping."
      },
      {
        "number": "10",
        "name": "A",
        "type": "input",
        "description": "Address (select) input A - the LSB of the 2-bit channel select shared by both X and Y banks. Digital logic input referenced to VCC/GND. See Truth Table for A,B → channel mapping."
      },
      {
        "number": "11",
        "name": "3X",
        "type": "bidirectional",
        "description": "X-bank switch terminal 3. Analog input/output of X multiplexer channel 3; connected to X-COM when A=H, B=H and INH=L."
      },
      {
        "number": "12",
        "name": "0X",
        "type": "bidirectional",
        "description": "X-bank switch terminal 0. Analog input/output of X multiplexer channel 0; connected to X-COM when A=L, B=L and INH=L."
      },
      {
        "number": "13",
        "name": "X-COM",
        "type": "bidirectional",
        "description": "X-bank common terminal. Analog input/output shared by the X-side 4:1 switch; routed to 0X/1X/2X/3X per the address (A,B) selection when INH=L."
      },
      {
        "number": "14",
        "name": "1X",
        "type": "bidirectional",
        "description": "X-bank switch terminal 1. Analog input/output of X multiplexer channel 1; connected to X-COM when A=H, B=L and INH=L."
      },
      {
        "number": "15",
        "name": "2X",
        "type": "bidirectional",
        "description": "X-bank switch terminal 2. Analog input/output of X multiplexer channel 2; connected to X-COM when A=L, B=H and INH=L."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive digital / analog supply, 2 V to 6 V (VCC-VEE ≤ 12 V). Powers the internal logic and sets the upper limit of the analog signal range. Bypass locally with a 0.1 µF ceramic to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908257523453952",
        "pages": 14,
        "sha256": "17928eda0541281c",
        "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"
    },
    "logic": {
      "family_id": "74HC4052",
      "logic_family": "74HC",
      "function_code": "4052",
      "function_class": "Multiplexer",
      "function_name": "Dual 4-Channel Analog Mux/Demux",
      "manufacturer": "Toshiba",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "tc74hc4052aft.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tc74hc4052aft-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "89aa02f86d5dc2e3c7d78069fa53129a4728b8f8c95349a80a1589de2fce86ee",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TOSHIBA",
      "Package": "TSSOP-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "variants": [
    {
      "mpn": "TC74HC4052AFT",
      "kind": "packaging"
    },
    {
      "mpn": "TC74HC4052AFTAP",
      "kind": "packaging"
    }
  ],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tc74hc4052aft"
  ],
  "discovery_pitch": "TC74HC4052AFT (TOSHIBA) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "tc74hc4052aft.kicad_sym",
    "tc74hc4052aft.kicad_mod",
    "tc74hc4052aft.glb",
    "tc74hc4052aft.step",
    "tc74hc4052aft.lbr",
    "docs/hero.png",
    "docs/tc74hc4052aft-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T09:22:41.586Z"
}