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Ray cd4028bm96: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body… f4a6cdc 15d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "cd4028bm96",
  "title": "CD4028BM96",
  "brief": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "cd4028bm96"
  ],
  "component": {
    "mpn": "CD4028BM96",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches / Encoders & Decoders / Multiplexers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd4028bm96.pdf",
    "parts": {
      "symbol": "cd4028bm96.kicad_sym",
      "footprint": "cd4028bm96.kicad_mod",
      "model_3d": "cd4028bm96-etched.glb",
      "model_3d_plain": "cd4028bm96.glb",
      "model_3d_step": "cd4028bm96-etched.step",
      "model_3d_step_plain": "cd4028bm96.step",
      "lbr": "cd4028bm96.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "Q4",
        "type": "output",
        "description": "Decoded decimal output 4. Active-high CMOS output, sourcing/sinking rail-to-rail at VDD/VSS."
      },
      {
        "number": "2",
        "name": "Q2",
        "type": "output",
        "description": "Decoded decimal output 2. Active-high CMOS output."
      },
      {
        "number": "3",
        "name": "Q0",
        "type": "output",
        "description": "Decoded decimal output 0. Active-high CMOS output; also asserted for any invalid BCD input when used as BCD-to-decimal decoder."
      },
      {
        "number": "4",
        "name": "Q7",
        "type": "output",
        "description": "Decoded decimal output 7. Active-high CMOS output."
      },
      {
        "number": "5",
        "name": "Q9",
        "type": "output",
        "description": "Decoded decimal output 9. Active-high CMOS output."
      },
      {
        "number": "6",
        "name": "Q5",
        "type": "output",
        "description": "Decoded decimal output 5. Active-high CMOS output."
      },
      {
        "number": "7",
        "name": "Q6",
        "type": "output",
        "description": "Decoded decimal output 6. Active-high CMOS output."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply / ground reference (0 V)."
      },
      {
        "number": "9",
        "name": "D",
        "type": "input",
        "description": "BCD input D (MSB, weight 8). CMOS logic input; tie unused BCD inputs to VSS for binary-to-octal operation."
      },
      {
        "number": "10",
        "name": "A",
        "type": "input",
        "description": "BCD input A (LSB, weight 1). CMOS logic input."
      },
      {
        "number": "11",
        "name": "B",
        "type": "input",
        "description": "BCD input B (weight 2). CMOS logic input."
      },
      {
        "number": "12",
        "name": "C",
        "type": "input",
        "description": "BCD input C (weight 4). CMOS logic input."
      },
      {
        "number": "13",
        "name": "Q3",
        "type": "output",
        "description": "Decoded decimal output 3. Active-high CMOS output."
      },
      {
        "number": "14",
        "name": "Q8",
        "type": "output",
        "description": "Decoded decimal output 8. Active-high CMOS output."
      },
      {
        "number": "15",
        "name": "Q1",
        "type": "output",
        "description": "Decoded decimal output 1. Active-high CMOS output."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply rail. Operating range 3 V to 18 V (absolute max 20 V)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd4028bm96.pdf",
        "pages": 17,
        "sha256": "51881474bef4cf0b",
        "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": "CD4028",
      "logic_family": "CD4000",
      "function_code": "4028",
      "function_class": "Decoder",
      "function_name": "BCD-to-Decimal Decoder",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "cd4028bm96.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": "cd4028bm96-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": "cd0f5cfbcb925d930422ca4245a3e983a4097013073114055950d74bd0042f4d",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cd4028bm96"
  ],
  "discovery_pitch": "CD4028BM96 (Texas Instruments) 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",
    "cd4028bm96.kicad_sym",
    "cd4028bm96.kicad_mod",
    "cd4028bm96.glb",
    "cd4028bm96.step",
    "cd4028bm96.lbr",
    "docs/hero.png",
    "docs/cd4028bm96-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd4028bm96-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CD4028BM96",
      "kind": "packaging"
    },
    {
      "mpn": "CD4028BM96M",
      "kind": "packaging"
    },
    {
      "mpn": "CD4028BM96MT",
      "kind": "packaging"
    },
    {
      "mpn": "CD4028BM96E",
      "kind": "packaging"
    },
    {
      "mpn": "CD4028BM96EE4",
      "kind": "packaging"
    },
    {
      "mpn": "CD4028BM96NSR",
      "kind": "packaging"
    },
    {
      "mpn": "CD4028BM96PW",
      "kind": "packaging"
    },
    {
      "mpn": "CD4028BM96PWR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T18:41:04.324Z"
}