CD4052B

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd4052b",
  "title": "CD4052B",
  "brief": "TI dual 4-channel analog mux/demux, SOIC-16. Two 4:1 switches, 2-bit select, INH, VEE for bipolar. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "multiplexer",
    "analog-switch",
    "mux",
    "4052",
    "soic-16",
    "texas-instruments"
  ],
  "component": {
    "mpn": "CD4052B",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Multiplexer",
    "subcategory": "Dual 4-channel analog mux / demux",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd4052b.pdf",
    "parts": {
      "symbol": "cd4052b.kicad_sym",
      "footprint": "cd4052b.kicad_mod",
      "model_3d": "cd4052b-etched.glb",
      "model_3d_plain": "cd4052b.glb",
      "lbr": "cd4052b.lbr",
      "model_3d_step": "cd4052b-etched.step",
      "model_3d_step_plain": "cd4052b.step"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "Y0",
        "type": "bidirectional",
        "description": "Y-section channel 0 analog input/output. Connected to Y COM (pin 3) when A=0, B=0 and INH=0."
      },
      {
        "number": "2",
        "name": "Y2",
        "type": "bidirectional",
        "description": "Y-section channel 2 analog input/output. Connected to Y COM (pin 3) when A=0, B=1 and INH=0."
      },
      {
        "number": "3",
        "name": "Y_COM",
        "type": "bidirectional",
        "description": "Y common out/in. Bidirectional common terminal of the Y-section 4:1 analog multiplexer, routed to one of Y0-Y3 based on the A/B address when INH=0."
      },
      {
        "number": "4",
        "name": "Y3",
        "type": "bidirectional",
        "description": "Y-section channel 3 analog input/output. Connected to Y COM (pin 3) when A=1, B=1 and INH=0."
      },
      {
        "number": "5",
        "name": "Y1",
        "type": "bidirectional",
        "description": "Y-section channel 1 analog input/output. Connected to Y COM (pin 3) when A=1, B=0 and INH=0."
      },
      {
        "number": "6",
        "name": "INH",
        "type": "input",
        "description": "Inhibit input (active high). When INH=1 (VDD), all channels are disabled (both X and Y sections turned OFF). Logic levels: 0=VSS, 1=VDD. VIH,min = 3.5V at VDD=5V; VIL,max = 0.8V at VDD=5V."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative analog supply. Sets the lower rail of the analog signal swing (analog signals may swing from VEE to VDD). Typically tied to VSS for single-supply operation or to a negative rail for bipolar analog signals. VDD-VEE ≤ 20V."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground / logic reference. Digital-control input logic levels are: 0 = VSS, 1 = VDD."
      },
      {
        "number": "9",
        "name": "B",
        "type": "input",
        "description": "Channel select address bit B (MSB of 2-bit address). Together with A, selects one of four channels (0-3) in both the X and Y sections simultaneously. Logic levels: 0=VSS, 1=VDD."
      },
      {
        "number": "10",
        "name": "A",
        "type": "input",
        "description": "Channel select address bit A (LSB of 2-bit address). Together with B, selects one of four channels (0-3) in both the X and Y sections simultaneously. Logic levels: 0=VSS, 1=VDD."
      },
      {
        "number": "11",
        "name": "X3",
        "type": "bidirectional",
        "description": "X-section channel 3 analog input/output. Connected to X COM (pin 13) when A=1, B=1 and INH=0."
      },
      {
        "number": "12",
        "name": "X0",
        "type": "bidirectional",
        "description": "X-section channel 0 analog input/output. Connected to X COM (pin 13) when A=0, B=0 and INH=0."
      },
      {
        "number": "13",
        "name": "X_COM",
        "type": "bidirectional",
        "description": "X common in/out. Bidirectional common terminal of the X-section 4:1 analog multiplexer, routed to one of X0-X3 based on the A/B address when INH=0."
      },
      {
        "number": "14",
        "name": "X1",
        "type": "bidirectional",
        "description": "X-section channel 1 analog input/output. Connected to X COM (pin 13) when A=1, B=0 and INH=0."
      },
      {
        "number": "15",
        "name": "X2",
        "type": "bidirectional",
        "description": "X-section channel 2 analog input/output. Connected to X COM (pin 13) when A=0, B=1 and INH=0."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input. Operating range 3V to 20V (VDD referenced to VSS). Sets the upper rail for both the analog signal swing and the digital-control logic HIGH level. Absolute max VDD-VEE = 20V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd4052b.pdf",
        "pages": 39,
        "sha256": "45b7f1be0f490337",
        "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": "CD4052",
      "logic_family": "CD4000",
      "function_code": "4052",
      "function_class": "Multiplexer",
      "function_name": "Dual 4-Channel Analog Mux/Demux",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd4052b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "454f43c8bb623d365ba0689725f3561d6caa8a69fa09ea14a76cc4f2efe48c10",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Dual 4-channel analog mux/demux",
      "Switches": "2 x 4:1 (X and Y groups), bidirectional",
      "Control": "shared 2-bit address (A/B) + INH",
      "Signal range": "bipolar (VDD to VEE)",
      "Supply (VDD)": "3-18 V",
      "On-resistance": "~125 Ω typ at 15 V",
      "Family": "CD4051/4052/4053",
      "Package": "SOIC-16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "cd4052b",
    "cd4052",
    "dual 4 channel mux",
    "4:1 analog mux",
    "differential mux"
  ],
  "discovery_pitch": "CD4052B dual 4-channel analog mux/demux (SOIC-16) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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    "docs/cd4052b-datasheet.pdf",
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    "viewers/footprint.html",
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  "variants": [
    {
      "mpn": "CD4052BM96 (SOIC-16)",
      "kind": "packaging"
    },
    {
      "mpn": "CD4052BE (PDIP-16)",
      "kind": "packaging"
    }
  ]
}