GN4051B

{
  "schema_version": 1,
  "type": "component",
  "slug": "gn4051b",
  "title": "GN4051B",
  "brief": "GN Semic Analog Switches, Multiplexers, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "gn4051b"
  ],
  "component": {
    "mpn": "GN4051B",
    "manufacturer": "GN Semic",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c8ecab7c606944febf2ef772b73ee638.pdf",
    "parts": {
      "symbol": "gn4051b.kicad_sym",
      "footprint": "gn4051b.kicad_mod",
      "model_3d": "gn4051b-etched.glb",
      "model_3d_plain": "gn4051b.glb",
      "model_3d_step": "gn4051b-etched.step",
      "model_3d_step_plain": "gn4051b.step",
      "lbr": "gn4051b.lbr"
    },
    "distributor_links": {
      "lcsc": "C265480"
    },
    "pins": [
      {
        "number": "1",
        "name": "Y4",
        "type": "bidirectional",
        "description": "Independent analog I/O channel 4. Connects to common Z when address = 100 and E is low. Analog signal range: VEE to VDD."
      },
      {
        "number": "2",
        "name": "Y6",
        "type": "bidirectional",
        "description": "Independent analog I/O channel 6. Connects to common Z when address = 110 and E is low."
      },
      {
        "number": "3",
        "name": "Z",
        "type": "bidirectional",
        "description": "Common analog I/O. Bidirectional: signals may flow Z→Yn (demux) or Yn→Z (mux). Routed to one of Y0-Y7 selected by A2:A0 when E is low."
      },
      {
        "number": "4",
        "name": "Y7",
        "type": "bidirectional",
        "description": "Independent analog I/O channel 7. Connects to common Z when address = 111 and E is low."
      },
      {
        "number": "5",
        "name": "Y5",
        "type": "bidirectional",
        "description": "Independent analog I/O channel 5. Connects to common Z when address = 101 and E is low."
      },
      {
        "number": "6",
        "name": "E",
        "type": "input",
        "description": "Active-low enable input. When E = low, the selected Yn↔Z channel is on. When E = high, all channels are OFF (high-impedance) regardless of A2:A0. Digital logic input referenced to VSS."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative analog supply (typically 0 V to −6 V). Sets the negative excursion limit for analog signals through the switch. Tie to VSS (0 V) for single-supply digital-signal switching; connect to a negative rail for bipolar analog signals. VDD−VEE must not exceed 9 V."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground / logic reference (0 V). Reference for A0-A2 and E logic thresholds."
      },
      {
        "number": "9",
        "name": "A2",
        "type": "input",
        "description": "Address select input, MSB of the 3-bit channel select. Combined with A1:A0 to choose which Y0-Y7 connects to Z. Logic input referenced to VSS/VDD; VIH ≥ 3.5 V at VDD = 5 V."
      },
      {
        "number": "10",
        "name": "A1",
        "type": "input",
        "description": "Address select input, middle bit of the 3-bit channel select."
      },
      {
        "number": "11",
        "name": "A0",
        "type": "input",
        "description": "Address select input, LSB of the 3-bit channel select."
      },
      {
        "number": "12",
        "name": "Y3",
        "type": "bidirectional",
        "description": "Independent analog I/O channel 3. Connects to common Z when address = 011 and E is low."
      },
      {
        "number": "13",
        "name": "Y0",
        "type": "bidirectional",
        "description": "Independent analog I/O channel 0. Connects to common Z when address = 000 and E is low."
      },
      {
        "number": "14",
        "name": "Y1",
        "type": "bidirectional",
        "description": "Independent analog I/O channel 1. Connects to common Z when address = 001 and E is low."
      },
      {
        "number": "15",
        "name": "Y2",
        "type": "bidirectional",
        "description": "Independent analog I/O channel 2. Connects to common Z when address = 010 and E is low."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, 3.0 V to 9.0 V (absolute max 12 V). Sets the positive rail for both the digital logic and the analog switch channels. Decouple to VSS with 100 nF close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c8ecab7c606944febf2ef772b73ee638.pdf",
        "pages": 15,
        "sha256": "1357b3d1e1e4fd1c",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -4.445
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "gn4051b.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gn4051b-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": "8d11cac79d31870009809e1a861e54675dfebc05b5b9023ef560d9804c708253",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GN Semic",
      "Package": "SOP-16",
      "Category": "Interface",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gn4051b"
  ],
  "discovery_pitch": "GN4051B (GN Semic) 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",
    "gn4051b.kicad_sym",
    "gn4051b.kicad_mod",
    "gn4051b.glb",
    "gn4051b.step",
    "gn4051b-etched.step",
    "gn4051b.lbr",
    "docs/hero.png",
    "docs/gn4051b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T21:08:30.883Z"
}