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Ray 74vhc4052aft: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC bod… 460f06c 14d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "74vhc4052aft",
  "title": "74VHC4052AFT",
  "brief": "TOSHIBA Analog Switches, Multiplexers, TSSOP-16-175mil. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "74vhc4052aft"
  ],
  "component": {
    "mpn": "74VHC4052AFT",
    "manufacturer": "TOSHIBA",
    "package": "TSSOP-16-175mil",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/159a16191f7d4abba6abdaac745d9109.pdf",
    "parts": {
      "symbol": "74vhc4052aft.kicad_sym",
      "footprint": "74vhc4052aft.kicad_mod",
      "model_3d": "74vhc4052aft-etched.glb",
      "model_3d_plain": "74vhc4052aft.glb",
      "model_3d_step": "74vhc4052aft-etched.step",
      "model_3d_step_plain": "74vhc4052aft.step",
      "lbr": "74vhc4052aft.lbr"
    },
    "distributor_links": {
      "digikey": "74VHC4052AFTTR-ND",
      "lcsc": "C146311"
    },
    "pins": [
      {
        "number": "1",
        "name": "0Y",
        "type": "bidirectional",
        "description": "Y-bank channel 0 analog switch I/O. Bidirectional analog signal port; connected to Y-COM when A=L, B=L and INH=L. Vs range 0 to Vcc; typical Ron 24 Ω at Vcc = 4.5 V."
      },
      {
        "number": "2",
        "name": "2Y",
        "type": "bidirectional",
        "description": "Y-bank channel 2 analog switch I/O. Selected when A=L, B=H and INH=L. Vs range 0 to Vcc."
      },
      {
        "number": "3",
        "name": "Y-COM",
        "type": "bidirectional",
        "description": "Common (pole) terminal of the Y-bank 4:1 analog switch. Connects to one of 0Y..3Y as selected by A/B when INH=L; high-impedance to all when INH=H."
      },
      {
        "number": "4",
        "name": "3Y",
        "type": "bidirectional",
        "description": "Y-bank channel 3 analog switch I/O. Selected when A=H, B=H and INH=L. Vs range 0 to Vcc."
      },
      {
        "number": "5",
        "name": "1Y",
        "type": "bidirectional",
        "description": "Y-bank channel 1 analog switch I/O. Selected when A=H, B=L and INH=L. Vs range 0 to Vcc."
      },
      {
        "number": "6",
        "name": "INH",
        "type": "input",
        "description": "Active-high inhibit / enable input. INH=H disables both banks (all channels OFF, COM pins float); INH=L allows A/B to select one of the four channels per bank. Digital CMOS input; VIH ≥ 2.0 V at Vcc = 3.0 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / 0 V reference. Tie to system ground; must be the most-negative voltage seen by any analog switch signal."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / 0 V reference (second GND pin). Both GND pins should be tied together to the system ground plane."
      },
      {
        "number": "9",
        "name": "B",
        "type": "input",
        "description": "Channel-select input B (MSB of the 2-bit channel address, shared across both X and Y banks). Digital CMOS input; VIH ≥ 2.0 V at Vcc = 3.0 V. Note: the 74VHC4052 uses only A and B (no C select)."
      },
      {
        "number": "10",
        "name": "A",
        "type": "input",
        "description": "Channel-select input A (LSB of the 2-bit channel address, shared across both X and Y banks). Digital CMOS input; VIH ≥ 2.0 V at Vcc = 3.0 V."
      },
      {
        "number": "11",
        "name": "3X",
        "type": "bidirectional",
        "description": "X-bank channel 3 analog switch I/O. Selected when A=H, B=H and INH=L. Vs range 0 to Vcc."
      },
      {
        "number": "12",
        "name": "0X",
        "type": "bidirectional",
        "description": "X-bank channel 0 analog switch I/O. Selected when A=L, B=L and INH=L. Vs range 0 to Vcc."
      },
      {
        "number": "13",
        "name": "X-COM",
        "type": "bidirectional",
        "description": "Common (pole) terminal of the X-bank 4:1 analog switch. Connects to one of 0X..3X as selected by A/B when INH=L; high-impedance when INH=H."
      },
      {
        "number": "14",
        "name": "1X",
        "type": "bidirectional",
        "description": "X-bank channel 1 analog switch I/O. Selected when A=H, B=L and INH=L. Vs range 0 to Vcc."
      },
      {
        "number": "15",
        "name": "2X",
        "type": "bidirectional",
        "description": "X-bank channel 2 analog switch I/O. Selected when A=L, B=H and INH=L. Vs range 0 to Vcc."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Operating range 2.0 V to 5.5 V (absolute max 7.0 V). Sets the upper rail of the analog switch signal range and the digital control input thresholds. Decouple to GND with 0.1 μF close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/159a16191f7d4abba6abdaac745d9109.pdf",
        "pages": 15,
        "sha256": "d9a936f777a9cff6",
        "source_tier": "mfr"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.8625,
        -2.275
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TSSOP-16_4.4x5mm_P0.65mm@sha256:fbac79fc5f310754",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "74VHC4052",
      "logic_family": "74VHC",
      "function_code": "4052",
      "function_class": "Multiplexer",
      "function_name": "Dual 4-Channel Analog Mux/Demux",
      "manufacturer": null,
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "74vhc4052aft.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74vhc4052aft-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b0830b20c4c1ff67d7375d57cd81904b85b1c7ab535412e415c86875b5f31f9e",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TOSHIBA",
      "Package": "TSSOP-16-175mil",
      "Category": "Interface",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "74vhc4052aft"
  ],
  "discovery_pitch": "74VHC4052AFT (TOSHIBA) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74vhc4052aft.kicad_sym",
    "74vhc4052aft.kicad_mod",
    "74vhc4052aft.glb",
    "74vhc4052aft.step",
    "74vhc4052aft-etched.step",
    "74vhc4052aft.lbr",
    "docs/hero.png",
    "docs/74vhc4052aft-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T15:18:50.759Z"
}