SN74CBT3384CDBQR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74cbt3384cdbqr",
  "title": "SN74CBT3384CDBQR",
  "brief": "Texas Instruments Analog Switches, Multiplexers, QSOP-24-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "sn74cbt3384cdbqr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "SN74CBT3384CDBQR",
    "manufacturer": "Texas Instruments",
    "package": "QSOP-24-150mil",
    "pin_count": 24,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74cbt3384c",
    "parts": {
      "symbol": "sn74cbt3384cdbqr.kicad_sym",
      "footprint": "sn74cbt3384cdbqr.kicad_mod",
      "model_3d": "sn74cbt3384cdbqr-etched.glb",
      "model_3d_plain": "sn74cbt3384cdbqr.glb",
      "model_3d_step": "sn74cbt3384cdbqr-etched.step",
      "model_3d_step_plain": "sn74cbt3384cdbqr.step",
      "lbr": "sn74cbt3384cdbqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2865836",
      "digikey": "296-19227-2-ND",
      "mouser": "595-SN74CBT3384CDBQR"
    },
    "distributor_check": {
      "checked_at": "2026-09-30T01:27:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-19227-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74CBT3384CDBQR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Output enable for the first 5-bit bus switch, active low (switch ON when low, high-impedance when high); control input VIH 2 V min, tie to VCC via pullup for power up/down."
      },
      {
        "number": "2",
        "name": "1B1",
        "type": "bidirectional",
        "description": "Bus 1 B-port bit 1 switch I/O, connected to 1A1 when 1OE is low, supports 0 to 5.5 V data levels."
      },
      {
        "number": "3",
        "name": "1A1",
        "type": "bidirectional",
        "description": "Bus 1 A-port bit 1 switch I/O, connected to 1B1 when 1OE is low, with undershoot protection down to -2 V."
      },
      {
        "number": "4",
        "name": "1A2",
        "type": "bidirectional",
        "description": "Bus 1 A-port bit 2 switch I/O, connected to 1B2 when 1OE is low, with undershoot protection down to -2 V."
      },
      {
        "number": "5",
        "name": "1B2",
        "type": "bidirectional",
        "description": "Bus 1 B-port bit 2 switch I/O, connected to 1A2 when 1OE is low, supports 0 to 5.5 V data levels."
      },
      {
        "number": "6",
        "name": "1B3",
        "type": "bidirectional",
        "description": "Bus 1 B-port bit 3 switch I/O, connected to 1A3 when 1OE is low, supports 0 to 5.5 V data levels."
      },
      {
        "number": "7",
        "name": "1A3",
        "type": "bidirectional",
        "description": "Bus 1 A-port bit 3 switch I/O, connected to 1B3 when 1OE is low, with undershoot protection down to -2 V."
      },
      {
        "number": "8",
        "name": "1A4",
        "type": "bidirectional",
        "description": "Bus 1 A-port bit 4 switch I/O, connected to 1B4 when 1OE is low, with undershoot protection down to -2 V."
      },
      {
        "number": "9",
        "name": "1B4",
        "type": "bidirectional",
        "description": "Bus 1 B-port bit 4 switch I/O, connected to 1A4 when 1OE is low, supports 0 to 5.5 V data levels."
      },
      {
        "number": "10",
        "name": "1B5",
        "type": "bidirectional",
        "description": "Bus 1 B-port bit 5 switch I/O, connected to 1A5 when 1OE is low, supports 0 to 5.5 V data levels."
      },
      {
        "number": "11",
        "name": "1A5",
        "type": "bidirectional",
        "description": "Bus 1 A-port bit 5 switch I/O, connected to 1B5 when 1OE is low, with undershoot protection down to -2 V."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; unused control inputs must be held at VCC or GND."
      },
      {
        "number": "13",
        "name": "2OE",
        "type": "input",
        "description": "Output enable for the second 5-bit bus switch, active low (switch ON when low, high-impedance when high); control input VIH 2 V min, tie to VCC via pullup for power up/down."
      },
      {
        "number": "14",
        "name": "2A1",
        "type": "bidirectional",
        "description": "Bus 2 A-port bit 1 switch I/O, connected to 2B1 when 2OE is low, with undershoot protection down to -2 V."
      },
      {
        "number": "15",
        "name": "2B1",
        "type": "bidirectional",
        "description": "Bus 2 B-port bit 1 switch I/O, connected to 2A1 when 2OE is low, supports 0 to 5.5 V data levels."
      },
      {
        "number": "16",
        "name": "2B2",
        "type": "bidirectional",
        "description": "Bus 2 B-port bit 2 switch I/O, connected to 2A2 when 2OE is low, supports 0 to 5.5 V data levels."
      },
      {
        "number": "17",
        "name": "2A2",
        "type": "bidirectional",
        "description": "Bus 2 A-port bit 2 switch I/O, connected to 2B2 when 2OE is low, with undershoot protection down to -2 V."
      },
      {
        "number": "18",
        "name": "2A3",
        "type": "bidirectional",
        "description": "Bus 2 A-port bit 3 switch I/O, connected to 2B3 when 2OE is low, with undershoot protection down to -2 V."
      },
      {
        "number": "19",
        "name": "2B3",
        "type": "bidirectional",
        "description": "Bus 2 B-port bit 3 switch I/O, connected to 2A3 when 2OE is low, supports 0 to 5.5 V data levels."
      },
      {
        "number": "20",
        "name": "2B4",
        "type": "bidirectional",
        "description": "Bus 2 B-port bit 4 switch I/O, connected to 2A4 when 2OE is low, supports 0 to 5.5 V data levels."
      },
      {
        "number": "21",
        "name": "2A4",
        "type": "bidirectional",
        "description": "Bus 2 A-port bit 4 switch I/O, connected to 2B4 when 2OE is low, with undershoot protection down to -2 V."
      },
      {
        "number": "22",
        "name": "2A5",
        "type": "bidirectional",
        "description": "Bus 2 A-port bit 5 switch I/O, connected to 2B5 when 2OE is low, with undershoot protection down to -2 V."
      },
      {
        "number": "23",
        "name": "2B5",
        "type": "bidirectional",
        "description": "Bus 2 B-port bit 5 switch I/O, connected to 2A5 when 2OE is low, supports 0 to 5.5 V data levels."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 4 V to 5.5 V recommended operating range (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": [],
        "pages_sent": 21,
        "cost_usd": 0.1598,
        "at": "2026-09-30T01:26:54"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74cbt3384c",
        "pages": 21,
        "sha256": "66957e3345e79c14",
        "source_tier": "lcsc"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "QSOP-24-150mil",
      "Category": "Interface",
      "Pins": "24"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "SN74CBT3384CDBQR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
    "public": true
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}