SN74CBT3384APWR

{
  "slug": "sn74cbt3384apwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74cbt3384apwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74cbt3384apwr.kicad_sym",
    "sn74cbt3384apwr.kicad_mod",
    "sn74cbt3384apwr.glb",
    "sn74cbt3384apwr.step",
    "sn74cbt3384apwr.lbr",
    "docs/hero.png",
    "docs/sn74cbt3384apwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74cbt3384apwr-hero.glb",
    "sn74cbt3384apwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN74CBT3384APWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74cbt3384a.pdf",
    "parts": {
      "symbol": "sn74cbt3384apwr.kicad_sym",
      "footprint": "sn74cbt3384apwr.kicad_mod",
      "model_3d": "sn74cbt3384apwr-hero.glb",
      "model_3d_plain": "sn74cbt3384apwr.glb",
      "model_3d_step": "sn74cbt3384apwr-etched.step",
      "model_3d_step_plain": "sn74cbt3384apwr.step",
      "lbr": "sn74cbt3384apwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C471045",
      "digikey": "296-1170-2-ND",
      "mouser": "595-SN74CBT3384APWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T08:21:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-1170-2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-SN74CBT3384APWR",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Active-low output enable for the first 5-bit switch; low connects 1A to 1B, high opens the switch (high impedance)."
      },
      {
        "number": "2",
        "name": "1B1",
        "type": "bidirectional",
        "description": "Port B bit 1 of the first 5-bit switch, connected to 1A1 through a 5-Ω switch when 1OE is low."
      },
      {
        "number": "3",
        "name": "1A1",
        "type": "bidirectional",
        "description": "Port A bit 1 of the first 5-bit switch, connected to 1B1 when 1OE is low."
      },
      {
        "number": "4",
        "name": "1A2",
        "type": "bidirectional",
        "description": "Port A bit 2 of the first 5-bit switch, connected to 1B2 when 1OE is low."
      },
      {
        "number": "5",
        "name": "1B2",
        "type": "bidirectional",
        "description": "Port B bit 2 of the first 5-bit switch, connected to 1A2 when 1OE is low."
      },
      {
        "number": "6",
        "name": "1B3",
        "type": "bidirectional",
        "description": "Port B bit 3 of the first 5-bit switch, connected to 1A3 when 1OE is low."
      },
      {
        "number": "7",
        "name": "1A3",
        "type": "bidirectional",
        "description": "Port A bit 3 of the first 5-bit switch, connected to 1B3 when 1OE is low."
      },
      {
        "number": "8",
        "name": "1A4",
        "type": "bidirectional",
        "description": "Port A bit 4 of the first 5-bit switch, connected to 1B4 when 1OE is low."
      },
      {
        "number": "9",
        "name": "1B4",
        "type": "bidirectional",
        "description": "Port B bit 4 of the first 5-bit switch, connected to 1A4 when 1OE is low."
      },
      {
        "number": "10",
        "name": "1B5",
        "type": "bidirectional",
        "description": "Port B bit 5 of the first 5-bit switch, connected to 1A5 when 1OE is low."
      },
      {
        "number": "11",
        "name": "1A5",
        "type": "bidirectional",
        "description": "Port A bit 5 of the first 5-bit switch, connected to 1B5 when 1OE is low."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "13",
        "name": "2OE",
        "type": "input",
        "description": "Active-low output enable for the second 5-bit switch; low connects 2A to 2B, high opens the switch (high impedance)."
      },
      {
        "number": "14",
        "name": "2A1",
        "type": "bidirectional",
        "description": "Port A bit 1 of the second 5-bit switch, connected to 2B1 when 2OE is low."
      },
      {
        "number": "15",
        "name": "2B1",
        "type": "bidirectional",
        "description": "Port B bit 1 of the second 5-bit switch, connected to 2A1 when 2OE is low."
      },
      {
        "number": "16",
        "name": "2B2",
        "type": "bidirectional",
        "description": "Port B bit 2 of the second 5-bit switch, connected to 2A2 when 2OE is low."
      },
      {
        "number": "17",
        "name": "2A2",
        "type": "bidirectional",
        "description": "Port A bit 2 of the second 5-bit switch, connected to 2B2 when 2OE is low."
      },
      {
        "number": "18",
        "name": "2A3",
        "type": "bidirectional",
        "description": "Port A bit 3 of the second 5-bit switch, connected to 2B3 when 2OE is low."
      },
      {
        "number": "19",
        "name": "2B3",
        "type": "bidirectional",
        "description": "Port B bit 3 of the second 5-bit switch, connected to 2A3 when 2OE is low."
      },
      {
        "number": "20",
        "name": "2B4",
        "type": "bidirectional",
        "description": "Port B bit 4 of the second 5-bit switch, connected to 2A4 when 2OE is low."
      },
      {
        "number": "21",
        "name": "2A4",
        "type": "bidirectional",
        "description": "Port A bit 4 of the second 5-bit switch, connected to 2B4 when 2OE is low."
      },
      {
        "number": "22",
        "name": "2A5",
        "type": "bidirectional",
        "description": "Port A bit 5 of the second 5-bit switch, connected to 2B5 when 2OE is low."
      },
      {
        "number": "23",
        "name": "2B5",
        "type": "bidirectional",
        "description": "Port B bit 5 of the second 5-bit switch, connected to 2A5 when 2OE is low."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 4 V to 5.5 V (absolute maximum −0.5 V to 7 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 13 is not explicitly labeled in the pin diagram on page 1. Assignment to 2A4 is inferred from th"
        ],
        "pages_sent": 19,
        "cost_usd": 0.1475,
        "at": "2026-10-07T08:20:45"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74cbt3384a.pdf",
        "pages": 19,
        "sha256": "5bdd0c6c2aaed403",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn74cbt3384apwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          7.8,
          0.97
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74cbt3384apwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
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          0.97
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fae8a29bc1360adad9affae5c48d11ee74b1cb300c50236230d1ee03628026a3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}