CD4051B

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd4051b",
  "title": "CD4051B",
  "brief": "TI CMOS 8-channel analog multiplexer/demultiplexer, SOIC-16. 3-A/B/C select, INH, VEE for bipolar. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "multiplexer",
    "analog-switch",
    "mux",
    "soic-16",
    "texas-instruments"
  ],
  "component": {
    "mpn": "CD4051B",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Multiplexer",
    "subcategory": "8-channel analog mux / demux",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd4051b.pdf",
    "parts": {
      "symbol": "cd4051b.kicad_sym",
      "footprint": "cd4051b.kicad_mod",
      "model_3d": "cd4051b-etched.glb",
      "model_3d_plain": "cd4051b.glb",
      "lbr": "cd4051b.lbr",
      "model_3d_step": "cd4051b-etched.step",
      "model_3d_step_plain": "cd4051b.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CH4",
        "type": "bidirectional",
        "description": "Channel 4 analog in/out. Bidirectional analog switch terminal; connects to COM when address = 100 and INH = 0."
      },
      {
        "number": "2",
        "name": "CH6",
        "type": "bidirectional",
        "description": "Channel 6 analog in/out. Bidirectional analog switch terminal; connects to COM when address = 110 and INH = 0."
      },
      {
        "number": "3",
        "name": "COM",
        "type": "bidirectional",
        "description": "Common out/in. Shared analog terminal that is switched to the addressed channel (CH0-CH7). Signal may swing from VEE to VDD."
      },
      {
        "number": "4",
        "name": "CH7",
        "type": "bidirectional",
        "description": "Channel 7 analog in/out. Bidirectional analog switch terminal; connects to COM when address = 111 and INH = 0."
      },
      {
        "number": "5",
        "name": "CH5",
        "type": "bidirectional",
        "description": "Channel 5 analog in/out. Bidirectional analog switch terminal; connects to COM when address = 101 and INH = 0."
      },
      {
        "number": "6",
        "name": "INH",
        "type": "input",
        "description": "Inhibit (active-high). When INH = 1 (VDD), all channels are OFF (disconnected from COM). When INH = 0 (VSS), the channel selected by A/B/C is connected to COM."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative analog supply. Sets the lower end of the analog signal range; may be tied to VSS for single-supply operation or to a negative rail (e.g. −5V) for dual-supply. VDD − VEE ≤ 20V."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital/logic ground reference. Logic 0 level for INH and address inputs A/B/C."
      },
      {
        "number": "9",
        "name": "C",
        "type": "input",
        "description": "Channel select address bit C (MSB). Digital input; logic levels 0 = VSS, 1 = VDD. Selects one of eight channels together with A and B."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Channel select address bit B. Digital input; logic levels 0 = VSS, 1 = VDD."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Channel select address bit A (LSB). Digital input; logic levels 0 = VSS, 1 = VDD."
      },
      {
        "number": "12",
        "name": "CH3",
        "type": "bidirectional",
        "description": "Channel 3 analog in/out. Bidirectional analog switch terminal; connects to COM when address = 011 and INH = 0."
      },
      {
        "number": "13",
        "name": "CH0",
        "type": "bidirectional",
        "description": "Channel 0 analog in/out. Bidirectional analog switch terminal; connects to COM when address = 000 and INH = 0."
      },
      {
        "number": "14",
        "name": "CH1",
        "type": "bidirectional",
        "description": "Channel 1 analog in/out. Bidirectional analog switch terminal; connects to COM when address = 001 and INH = 0."
      },
      {
        "number": "15",
        "name": "CH2",
        "type": "bidirectional",
        "description": "Channel 2 analog in/out. Bidirectional analog switch terminal; connects to COM when address = 010 and INH = 0."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply. VDD − VSS = 3V to 20V (performance degrades below 3V). Absolute maximum V+ to V− = 20V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd4051b.pdf",
        "pages": 39,
        "sha256": "3fbac7b3f3463b15",
        "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"
    },
    "logic": {
      "family_id": "CD4051",
      "logic_family": "CD4000",
      "function_code": "4051",
      "function_class": "Multiplexer",
      "function_name": "8-Channel Analog Multiplexer/Demultiplexer",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    }
  },
  "metadata": {
    "specs": {
      "Type": "8-channel analog mux / demux",
      "Channels": "8 (CH0-CH7 <-> COM)",
      "Control": "3-bit address A/B/C + INH inhibit",
      "Signal range": "Bipolar (VDD to VEE)",
      "Supply (VDD)": "3-18 V",
      "Direction": "Bidirectional (mux or demux)",
      "Package": "SOIC-16",
      "Body (L×W×H)": "9.9 × 3.9 × 1.75 mm"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cd4051b",
    "8 channel analog mux",
    "analog multiplexer",
    "4051 mux demux"
  ],
  "discovery_pitch": "CD4051B CMOS 8-channel analog mux/demux (SOIC-16) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4051b.kicad_sym",
    "cd4051b.kicad_mod",
    "cd4051b.glb",
    "cd4051b.lbr",
    "docs/hero.png",
    "docs/cd4051b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd4051b-etched.step"
  ],
  "variants": [
    {
      "mpn": "CD4051BM (SOIC-16, tube)",
      "kind": "packaging"
    },
    {
      "mpn": "CD4051BNSR (SO-16)",
      "kind": "packaging"
    }
  ]
}