SN74CB3T3384PWR

{
  "slug": "sn74cb3t3384pwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog Switches, Multiplexers, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "sn74cb3t3384pwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74cb3t3384pwr.kicad_sym",
    "sn74cb3t3384pwr.kicad_mod",
    "sn74cb3t3384pwr.glb",
    "sn74cb3t3384pwr.step",
    "sn74cb3t3384pwr.lbr",
    "docs/hero.png",
    "docs/sn74cb3t3384pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74cb3t3384pwr-hero.glb",
    "sn74cb3t3384pwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN74CB3T3384PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74cb3t3384.pdf",
    "parts": {
      "symbol": "sn74cb3t3384pwr.kicad_sym",
      "footprint": "sn74cb3t3384pwr.kicad_mod",
      "model_3d": "sn74cb3t3384pwr-hero.glb",
      "model_3d_plain": "sn74cb3t3384pwr.glb",
      "model_3d_step": "sn74cb3t3384pwr-etched.step",
      "model_3d_step_plain": "sn74cb3t3384pwr.step",
      "lbr": "sn74cb3t3384pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C139357",
      "digikey": "296-19163-2-ND",
      "mouser": "595-SN74CB3T3384PWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T01:55:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-19163-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74CB3T3384PWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Active-low output enable for the first 5-bit bus switch: when low the 1A and 1B ports are connected, and when high they are in high-impedance; tie to VCC through a pullup resistor so the high-impedance state holds during power up or power down."
      },
      {
        "number": "2",
        "name": "1B1",
        "type": "bidirectional",
        "description": "B-side data port 1 of the first 5-bit switch, connected to 1A1 when 1OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "3",
        "name": "1A1",
        "type": "bidirectional",
        "description": "A-side data port 1 of the first 5-bit switch, connected to 1B1 when 1OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "4",
        "name": "1A2",
        "type": "bidirectional",
        "description": "A-side data port 2 of the first 5-bit switch, connected to 1B2 when 1OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "5",
        "name": "1B2",
        "type": "bidirectional",
        "description": "B-side data port 2 of the first 5-bit switch, connected to 1A2 when 1OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "6",
        "name": "1B3",
        "type": "bidirectional",
        "description": "B-side data port 3 of the first 5-bit switch, connected to 1A3 when 1OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "7",
        "name": "1A3",
        "type": "bidirectional",
        "description": "A-side data port 3 of the first 5-bit switch, connected to 1B3 when 1OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "8",
        "name": "1A4",
        "type": "bidirectional",
        "description": "A-side data port 4 of the first 5-bit switch, connected to 1B4 when 1OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "9",
        "name": "1B4",
        "type": "bidirectional",
        "description": "B-side data port 4 of the first 5-bit switch, connected to 1A4 when 1OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "10",
        "name": "1B5",
        "type": "bidirectional",
        "description": "B-side data port 5 of the first 5-bit switch, connected to 1A5 when 1OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "11",
        "name": "1A5",
        "type": "bidirectional",
        "description": "A-side data port 5 of the first 5-bit switch, connected to 1B5 when 1OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; all voltages are referenced to ground."
      },
      {
        "number": "13",
        "name": "2OE",
        "type": "input",
        "description": "Active-low output enable for the second 5-bit bus switch: when low the 2A and 2B ports are connected, and when high they are in high-impedance; tie to VCC through a pullup resistor so the high-impedance state holds during power up or power down."
      },
      {
        "number": "14",
        "name": "2A1",
        "type": "bidirectional",
        "description": "A-side data port 1 of the second 5-bit switch, connected to 2B1 when 2OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "15",
        "name": "2B1",
        "type": "bidirectional",
        "description": "B-side data port 1 of the second 5-bit switch, connected to 2A1 when 2OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "16",
        "name": "2B2",
        "type": "bidirectional",
        "description": "B-side data port 2 of the second 5-bit switch, connected to 2A2 when 2OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "17",
        "name": "2A2",
        "type": "bidirectional",
        "description": "A-side data port 2 of the second 5-bit switch, connected to 2B2 when 2OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "18",
        "name": "2A3",
        "type": "bidirectional",
        "description": "A-side data port 3 of the second 5-bit switch, connected to 2B3 when 2OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "19",
        "name": "2B3",
        "type": "bidirectional",
        "description": "B-side data port 3 of the second 5-bit switch, connected to 2A3 when 2OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "20",
        "name": "2B4",
        "type": "bidirectional",
        "description": "B-side data port 4 of the second 5-bit switch, connected to 2A4 when 2OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "21",
        "name": "2A4",
        "type": "bidirectional",
        "description": "A-side data port 4 of the second 5-bit switch, connected to 2B4 when 2OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "22",
        "name": "2A5",
        "type": "bidirectional",
        "description": "A-side data port 5 of the second 5-bit switch, connected to 2B5 when 2OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "23",
        "name": "2B5",
        "type": "bidirectional",
        "description": "B-side data port 5 of the second 5-bit switch, connected to 2A5 when 2OE is low; 5-V tolerant, with data I/O rated 0 to 5.5 V."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended operating range 2.3 V to 3.6 V, with ICC of 40 µA max; the data I/O output high level tracks VCC."
      }
    ],
    "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": [
          "extractor flagged: Pin numbers were assigned from the TOP VIEW pin-name listing and the TOP VIEW numbering sequence in ; The datasheet gives no explicit ground or supply pin ordering beyond the TOP VIEW; GND is pin 12 and"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0934,
        "at": "2026-10-08T01:55:32"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74cb3t3384.pdf",
        "pages": 20,
        "sha256": "e32443ebedbb3d06",
        "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": "sn74cb3t3384pwr.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74cb3t3384pwr-etched.step",
        "role": "eda",
        "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": "94822fccc7ecf03d0c1b6fca1031a784e2276e71e8a28509e9214cefcfbc42cc",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}