CD4053B

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd4053b",
  "title": "CD4053B",
  "brief": "TI triple 2-channel analog mux/demux, SOIC-16. Three independent SPDT switches, INH, VEE for bipolar. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "multiplexer",
    "analog-switch",
    "mux",
    "4053",
    "soic-16",
    "texas-instruments"
  ],
  "component": {
    "mpn": "CD4053B",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Multiplexer",
    "subcategory": "Triple 2-channel analog mux / demux",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd4053b.pdf",
    "parts": {
      "symbol": "cd4053b.kicad_sym",
      "footprint": "cd4053b.kicad_mod",
      "model_3d": "cd4053b-etched.glb",
      "model_3d_plain": "cd4053b.glb",
      "lbr": "cd4053b.lbr",
      "model_3d_step": "cd4053b-etched.step",
      "model_3d_step_plain": "cd4053b.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "BY",
        "type": "bidirectional",
        "description": "B-switch Y-channel in/out (analog). Connects to common BX-OR-BY (pin 15) when address B selects the Y side and INH is low."
      },
      {
        "number": "2",
        "name": "BX",
        "type": "bidirectional",
        "description": "B-switch X-channel in/out (analog). Connects to common BX-OR-BY (pin 15) when address B selects the X side and INH is low."
      },
      {
        "number": "3",
        "name": "CY",
        "type": "bidirectional",
        "description": "C-switch Y-channel in/out (analog). Connects to common CX-OR-CY (pin 4) when address C selects the Y side and INH is low."
      },
      {
        "number": "4",
        "name": "CX_OR_CY",
        "type": "bidirectional",
        "description": "C-switch common out/in (analog). Multiplexed pole of the C SPDT: routes to CX (pin 5) or CY (pin 3) per address bit C when INH is low."
      },
      {
        "number": "5",
        "name": "CX",
        "type": "bidirectional",
        "description": "C-switch X-channel in/out (analog). Connects to common CX-OR-CY (pin 4) when address C selects the X side and INH is low."
      },
      {
        "number": "6",
        "name": "INH",
        "type": "input",
        "description": "Inhibit (active high, digital). When INH = 1 all three analog switches are turned OFF (all channels disabled). Digital input level: 3-20 V referenced to VSS; see Table 7-1."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative analog supply. Sets the lower bound of the analog signal range; may be equal to VSS for single-supply operation or below VSS for a dual analog supply (VDD − VEE ≤ 20 V absolute max)."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / digital-logic negative supply reference. Reference for the digital control inputs (A, B, C, INH). Typically 0 V."
      },
      {
        "number": "9",
        "name": "C",
        "type": "input",
        "description": "Digital channel-select C: selects X (0) or Y (1) side of the C analog switch. Referenced VSS to VDD (3-20 V logic level). See Table 7-1."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Digital channel-select B: selects X (0) or Y (1) side of the B analog switch. Referenced VSS to VDD (3-20 V logic level). See Table 7-1."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Digital channel-select A: selects X (0) or Y (1) side of the A analog switch. Referenced VSS to VDD (3-20 V logic level). See Table 7-1."
      },
      {
        "number": "12",
        "name": "AX",
        "type": "bidirectional",
        "description": "A-switch X-channel in/out (analog). Connects to common AX-OR-AY (pin 14) when address A selects the X side and INH is low."
      },
      {
        "number": "13",
        "name": "AY",
        "type": "bidirectional",
        "description": "A-switch Y-channel in/out (analog). Connects to common AX-OR-AY (pin 14) when address A selects the Y side and INH is low."
      },
      {
        "number": "14",
        "name": "AX_OR_AY",
        "type": "bidirectional",
        "description": "A-switch common out/in (analog). Multiplexed pole of the A SPDT: routes to AX (pin 12) or AY (pin 13) per address bit A when INH is low."
      },
      {
        "number": "15",
        "name": "BX_OR_BY",
        "type": "bidirectional",
        "description": "B-switch common out/in (analog). Multiplexed pole of the B SPDT: routes to BX (pin 2) or BY (pin 1) per address bit B when INH is low."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply. Digital logic supply and upper bound of the analog signal range. Operating range 3-20 V (performance degrades below 3 V); VDD − VEE ≤ 20 V absolute max."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd4053b.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": "CD4053",
      "logic_family": "CD4000",
      "function_code": "4053",
      "function_class": "Multiplexer",
      "function_name": "Triple 2-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": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
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      {
        "file": "cd4053b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "79d0fd20bc2006fb48ad64a7fc67170900f52c301870950d45e12d7c0db6533c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Triple 2-channel analog mux/demux",
      "Switches": "3 independent SPDT (bidirectional)",
      "Control": "one select per switch (A/B/C) + 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"
  ],
  "discovery_triggers": [
    "cd4053b",
    "cd4053",
    "triple 2 channel mux",
    "spdt analog switch",
    "3 spdt mux"
  ],
  "discovery_pitch": "CD4053B triple 2-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": [
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    "docs/hero.png",
    "docs/cd4053b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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  ],
  "variants": [
    {
      "mpn": "CD4053BM (SOIC-16, tube)",
      "kind": "packaging"
    },
    {
      "mpn": "CD4053BM96 (SOIC-16, tape & reel)",
      "kind": "packaging"
    }
  ]
}