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Ray Set visibility: public 384405b 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74cbt3383cpwr",
  "title": "SN74CBT3383CPWR",
  "brief": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "logic ics",
    "sn74cbt3383cpwr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "SN74CBT3383CPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Logic ICs",
    "subcategory": "Signal Switches / Encoders & Decoders / Multiplexers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74cbt3383c.pdf",
    "parts": {
      "symbol": "sn74cbt3383cpwr.kicad_sym",
      "footprint": "sn74cbt3383cpwr.kicad_mod",
      "model_3d": "sn74cbt3383cpwr-hero.glb",
      "model_3d_plain": "sn74cbt3383cpwr.glb",
      "model_3d_step": "sn74cbt3383cpwr-etched.step",
      "model_3d_step_plain": "sn74cbt3383cpwr.step",
      "lbr": "sn74cbt3383cpwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2674669",
      "digikey": "296-19226-2-ND",
      "mouser": "595-SN74CBT3383CPWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:05:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-19226-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74CBT3383CPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BE",
        "type": "input",
        "description": "Active-low input enable pin; when BE is low the A and B ports are connected, and when BE is high the A and B ports are disconnected (high-impedance)."
      },
      {
        "number": "2",
        "name": "1B1",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "3",
        "name": "1A1",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "4",
        "name": "1A2",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "5",
        "name": "1B2",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "6",
        "name": "2B1",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "7",
        "name": "2A1",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "8",
        "name": "2A2",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "9",
        "name": "2B2",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "10",
        "name": "3B1",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "11",
        "name": "3A1",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "13",
        "name": "BX",
        "type": "input",
        "description": "Select pin that controls the bus-exchange data path; when BX is low xA1 is connected to xB1 and xA2 to xB2, and when BX is high xA1 is connected to xB2 and xA2 to xB1."
      },
      {
        "number": "14",
        "name": "3A2",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "15",
        "name": "3B2",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "16",
        "name": "4B1",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "17",
        "name": "4A1",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "18",
        "name": "4A2",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "19",
        "name": "4B2",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "20",
        "name": "5B1",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "21",
        "name": "5A1",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "22",
        "name": "5A2",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "23",
        "name": "5B2",
        "type": "bidirectional",
        "description": "I/O pin, can be input or output; data I/O voltage range is 0 to 5.5 V."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin; operating range is 4 V to 5.5 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 25,
        "cost_usd": 0.0931,
        "at": "2026-10-08T16:05:05"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74cbt3383c.pdf",
        "pages": 25,
        "sha256": "7b02186114b4d4e0",
        "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"
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    "models_3d": [
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        "file": "sn74cbt3383cpwr.step",
        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74cbt3383cpwr-etched.step",
        "role": "eda",
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        "sha256": "4573586280a57c3662e406044c9d251628933ed49488089a97364c288c73d38d",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-24",
      "Category": "Logic ICs",
      "Pins": "24"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "SN74CBT3383CPWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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