SN74CBT3383DBQR

{
  "slug": "sn74cbt3383dbqr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog Switches / Multiplexers, SSOP-24-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "sn74cbt3383dbqr",
    "factory-2.0.0",
    "extractor-text"
  ],
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    "path": "docs/hero.png"
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    "README.md",
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    "sn74cbt3383dbqr.step",
    "sn74cbt3383dbqr.lbr",
    "docs/hero.png",
    "docs/sn74cbt3383dbqr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "sn74cbt3383dbqr-hero.overlay.json"
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  "component": {
    "mpn": "SN74CBT3383DBQR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-24-150mil",
    "pin_count": 24,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Analog Switches / Multiplexers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74cbt3383",
    "parts": {
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      "lbr": "sn74cbt3383dbqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C105220",
      "digikey": "296-6443-2-ND",
      "mouser": "595-SN74CBT3383DBQR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T08:19:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-6443-2-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-SN74CBT3383DBQR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BE",
        "type": "input",
        "description": "Active-low input enable pin; when low, enables the bus switches; when high, places all switches in high-impedance state"
      },
      {
        "number": "2",
        "name": "1B1",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for first bit pair B side"
      },
      {
        "number": "3",
        "name": "1A1",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for first bit pair A side"
      },
      {
        "number": "4",
        "name": "1A2",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for first bit pair A side"
      },
      {
        "number": "5",
        "name": "1B2",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for first bit pair B side"
      },
      {
        "number": "6",
        "name": "2B1",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for second bit pair B side"
      },
      {
        "number": "7",
        "name": "2A1",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for second bit pair A side"
      },
      {
        "number": "8",
        "name": "2A2",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for second bit pair A side"
      },
      {
        "number": "9",
        "name": "2B2",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for second bit pair B side"
      },
      {
        "number": "10",
        "name": "3B1",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for third bit pair B side"
      },
      {
        "number": "11",
        "name": "3A1",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for third bit pair A side"
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection, 0V reference"
      },
      {
        "number": "13",
        "name": "BX",
        "type": "input",
        "description": "Output select pin; when low provides direct A-to-B connection; when high provides crossed A-to-B2 and A2-to-B1 bus exchange"
      },
      {
        "number": "14",
        "name": "3A2",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for third bit pair A side"
      },
      {
        "number": "15",
        "name": "3B2",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for third bit pair B side"
      },
      {
        "number": "16",
        "name": "4B1",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for fourth bit pair B side"
      },
      {
        "number": "17",
        "name": "4A1",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for fourth bit pair A side"
      },
      {
        "number": "18",
        "name": "4A2",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for fourth bit pair A side"
      },
      {
        "number": "19",
        "name": "4B2",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for fourth bit pair B side"
      },
      {
        "number": "20",
        "name": "5B1",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for fifth bit pair B side"
      },
      {
        "number": "21",
        "name": "5A1",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for fifth bit pair A side"
      },
      {
        "number": "22",
        "name": "5A2",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for fifth bit pair A side"
      },
      {
        "number": "23",
        "name": "5B2",
        "type": "bidirectional",
        "description": "Transceiver I/O pin for fifth bit pair B side"
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin; +5V nominal operation with 4.5V to 5.5V recommended operating range"
      }
    ],
    "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": 24,
        "cost_usd": 0.124,
        "at": "2026-10-07T08:19:08"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74cbt3383",
        "pages": 24,
        "sha256": "7b570c6029a0dda5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "checked": "2026-10-07",
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}