HEF4052BT

{
  "slug": "hef4052bt",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Analog Switches, Multiplexers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "hef4052bt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hef4052bt.kicad_sym",
    "hef4052bt.kicad_mod",
    "hef4052bt.glb",
    "hef4052bt.step",
    "hef4052bt.lbr",
    "docs/hero.png",
    "docs/hef4052bt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hef4052bt-hero.glb",
    "hef4052bt-hero.overlay.json",
    "hef4052bt-etched.glb"
  ],
  "component": {
    "mpn": "HEF4052BT",
    "manufacturer": "Nexperia",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586172926697066496",
    "parts": {
      "symbol": "hef4052bt.kicad_sym",
      "footprint": "hef4052bt.kicad_mod",
      "model_3d": "hef4052bt-hero.glb",
      "model_3d_plain": "hef4052bt-etched.glb",
      "model_3d_step": "hef4052bt-etched.step",
      "model_3d_step_plain": "hef4052bt.step",
      "lbr": "hef4052bt.lbr"
    },
    "distributor_links": {
      "lcsc": "C11352"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:23:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "2Y0",
        "type": "bidirectional",
        "description": "Independent input/output of switch 2 (channel 2Y0), routed to common terminal 2Z when E is LOW and S1, S2 select channel 0."
      },
      {
        "number": "2",
        "name": "2Y2",
        "type": "bidirectional",
        "description": "Independent input/output of switch 2 (channel 2Y2), routed to common terminal 2Z when E is LOW and the select code selects channel 2."
      },
      {
        "number": "3",
        "name": "2Z",
        "type": "bidirectional",
        "description": "Common output or input of switch 2, connected to one of 2Y0 to 2Y3 under control of S1, S2 and E."
      },
      {
        "number": "4",
        "name": "2Y3",
        "type": "bidirectional",
        "description": "Independent input/output of switch 2 (channel 2Y3), routed to common terminal 2Z when E is LOW and the select code selects channel 3."
      },
      {
        "number": "5",
        "name": "2Y1",
        "type": "bidirectional",
        "description": "Independent input/output of switch 2 (channel 2Y1), routed to common terminal 2Z when E is LOW and the select code selects channel 1."
      },
      {
        "number": "6",
        "name": "E",
        "type": "input",
        "description": "Enable input, active LOW; when HIGH, all switches are turned off regardless of S1 and S2."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Supply voltage for the analog switch channels; limiting value is -18 V to +0.5 V referenced to VDD."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply voltage; the datasheet references all voltages to VSS = 0 V."
      },
      {
        "number": "9",
        "name": "S2",
        "type": "input",
        "description": "Digital select input; together with S1 it selects which of the four channels (nY0 to nY3) connects to nZ."
      },
      {
        "number": "10",
        "name": "S1",
        "type": "input",
        "description": "Digital select input; together with S2 it selects which of the four channels (nY0 to nY3) connects to nZ."
      },
      {
        "number": "11",
        "name": "1Y3",
        "type": "bidirectional",
        "description": "Independent input/output of switch 1 (channel 1Y3), routed to common terminal 1Z when E is LOW and the select code selects channel 3."
      },
      {
        "number": "12",
        "name": "1Y0",
        "type": "bidirectional",
        "description": "Independent input/output of switch 1 (channel 1Y0), routed to common terminal 1Z when E is LOW and S1, S2 select channel 0."
      },
      {
        "number": "13",
        "name": "1Z",
        "type": "bidirectional",
        "description": "Common output or input of switch 1, connected to one of 1Y0 to 1Y3 under control of S1, S2 and E."
      },
      {
        "number": "14",
        "name": "1Y1",
        "type": "bidirectional",
        "description": "Independent input/output of switch 1 (channel 1Y1), routed to common terminal 1Z when E is LOW and the select code selects channel 1."
      },
      {
        "number": "15",
        "name": "1Y2",
        "type": "bidirectional",
        "description": "Independent input/output of switch 1 (channel 1Y2), routed to common terminal 1Z when E is LOW and the select code selects channel 2."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage; recommended operating range is 3 V to 15 V, with an absolute maximum of -0.5 V to +18 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: MPN HEF4052BT is listed in Table 1 with package SO16 (SOT109-1), not the TSSOP16 variant (HEF4052BTT; Pin-to-position mapping was reconstructed from the garbled text layer of the Fig. 6 pin diagram. It ; Datasheet does not give KiCad-style electrical types for the switch terminals; nYn and nZ were class"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0775,
        "at": "2026-10-18T06:18:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586172926697066496",
        "pages": 18,
        "sha256": "5ab031dfd60a59f0",
        "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": "hef4052bt.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hef4052bt-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": "60a8df06ebe4d1400a30bd32dfb09cf88f4e856c8fa3685415095cb53686f514",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}