SN74CB3Q3305PWR

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  "type": "component",
  "slug": "sn74cb3q3305pwr",
  "title": "SN74CB3Q3305PWR",
  "brief": "Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "SN74CB3Q3305PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74cb3q3305.pdf",
    "parts": {
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      "lbr": "sn74cb3q3305pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2653309",
      "digikey": "296-16809-2-ND",
      "mouser": "595-SN74CB3Q3305PWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:54:40Z",
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      "digikey": {
        "pn": "296-16809-2-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-SN74CB3Q3305PWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Active-high output enable for switch 1; when high connects 1A to 1B with 3Ω typical ON-state resistance; requires 0.7V to 2V input level (VCC-dependent)."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "bidirectional",
        "description": "Bidirectional data I/O port for channel 1 supporting 0-5V signals with 3Ω typical ON-state resistance when enabled; includes undershoot clamp diode."
      },
      {
        "number": "3",
        "name": "1B",
        "type": "bidirectional",
        "description": "Bidirectional data I/O port for channel 1 supporting 0-5V signals with 3Ω typical ON-state resistance when enabled; includes undershoot clamp diode."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return connection supporting ±100mA continuous current for device and signal paths."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "bidirectional",
        "description": "Bidirectional data I/O port for channel 2 supporting 0-5V signals with 3Ω typical ON-state resistance when enabled; includes undershoot clamp diode."
      },
      {
        "number": "6",
        "name": "2B",
        "type": "bidirectional",
        "description": "Bidirectional data I/O port for channel 2 supporting 0-5V signals with 3Ω typical ON-state resistance when enabled; includes undershoot clamp diode."
      },
      {
        "number": "7",
        "name": "2OE",
        "type": "input",
        "description": "Active-high output enable for switch 2; when high connects 2A to 2B with 3Ω typical ON-state resistance; requires 0.7V to 2V input level (VCC-dependent)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage input in range 2.3V to 3.6V supporting ±100mA continuous current; powers internal charge pump and digital logic."
      }
    ],
    "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": [],
        "pages_sent": 23,
        "cost_usd": 0.141,
        "at": "2026-10-05T18:54:25"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74cb3q3305.pdf",
        "pages": 23,
        "sha256": "b4a77a5460a18d7c",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-8",
      "Category": "Logic",
      "Pins": "8"
    }
  },
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  "discovery_pitch": "SN74CB3Q3305PWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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