SN74CBTLV3126PWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74cbtlv3126pwr",
  "title": "SN74CBTLV3126PWR",
  "brief": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, TSSOP-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "sn74cbtlv3126pwr"
  ],
  "component": {
    "mpn": "SN74CBTLV3126PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Signal Switches / Encoders & Decoders / Multiplexers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74cbtlv3126.pdf",
    "parts": {
      "symbol": "sn74cbtlv3126pwr.kicad_sym",
      "footprint": "sn74cbtlv3126pwr.kicad_mod",
      "model_3d": "sn74cbtlv3126pwr-etched.glb",
      "model_3d_plain": "sn74cbtlv3126pwr.glb",
      "model_3d_step": "sn74cbtlv3126pwr-etched.step",
      "model_3d_step_plain": "sn74cbtlv3126pwr.step",
      "lbr": "sn74cbtlv3126pwr.lbr"
    },
    "distributor_links": {
      "digikey": "296-9118-2-ND",
      "mouser": "595-SN74CBTLV3126PWR",
      "lcsc": "C543078"
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Output enable for switch channel 1, active high. When high, the FET switch between 1A and 1B is closed; when low, the switch is open (high impedance). VIH ≥ 2 V (VCC = 2.7-3.6 V)."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "bidirectional",
        "description": "Channel 1 A-side switch terminal. Bidirectional data I/O; connects to 1B when 1OE is high. Rail-to-rail signal swing supported; ~5 Ω on-resistance."
      },
      {
        "number": "3",
        "name": "1B",
        "type": "bidirectional",
        "description": "Channel 1 B-side switch terminal. Bidirectional data I/O; connects to 1A when 1OE is high."
      },
      {
        "number": "4",
        "name": "2OE",
        "type": "input",
        "description": "Output enable for switch channel 2, active high. Closes the FET between 2A and 2B when high."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "bidirectional",
        "description": "Channel 2 A-side switch terminal. Bidirectional data I/O; connects to 2B when 2OE is high."
      },
      {
        "number": "6",
        "name": "2B",
        "type": "bidirectional",
        "description": "Channel 2 B-side switch terminal. Bidirectional data I/O; connects to 2A when 2OE is high."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "3B",
        "type": "bidirectional",
        "description": "Channel 3 B-side switch terminal. Bidirectional data I/O; connects to 3A when 3OE is high."
      },
      {
        "number": "9",
        "name": "3A",
        "type": "bidirectional",
        "description": "Channel 3 A-side switch terminal. Bidirectional data I/O; connects to 3B when 3OE is high."
      },
      {
        "number": "10",
        "name": "3OE",
        "type": "input",
        "description": "Output enable for switch channel 3, active high. Closes the FET between 3A and 3B when high."
      },
      {
        "number": "11",
        "name": "4B",
        "type": "bidirectional",
        "description": "Channel 4 B-side switch terminal. Bidirectional data I/O; connects to 4A when 4OE is high."
      },
      {
        "number": "12",
        "name": "4A",
        "type": "bidirectional",
        "description": "Channel 4 A-side switch terminal. Bidirectional data I/O; connects to 4B when 4OE is high."
      },
      {
        "number": "13",
        "name": "4OE",
        "type": "input",
        "description": "Output enable for switch channel 4, active high. Closes the FET between 4A and 4B when high."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply. Recommended VCC = 2.3 V to 3.6 V; absolute maximum 4.6 V. Decouple locally with a bypass capacitor."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74cbtlv3126.pdf",
        "pages": 37,
        "sha256": "65fbc35c107d5ea2",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.8625,
        -1.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TSSOP-14_4.4x5mm_P0.65mm@sha256:e4bf82cea6d3b325",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "74CBTLV3126",
      "logic_family": "74CBTLV",
      "function_code": "3126",
      "function_class": null,
      "function_name": null,
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "sn74cbtlv3126pwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e6cb6614adc1e7bd92bcf37235a75eb4b069f28811dee225a7d034e105323751",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-14",
      "Category": "Logic",
      "Pins": "14"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn74cbtlv3126pwr"
  ],
  "discovery_pitch": "SN74CBTLV3126PWR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74cbtlv3126pwr.kicad_sym",
    "sn74cbtlv3126pwr.kicad_mod",
    "sn74cbtlv3126pwr.glb",
    "sn74cbtlv3126pwr.step",
    "sn74cbtlv3126pwr-etched.step",
    "sn74cbtlv3126pwr.lbr",
    "docs/hero.png",
    "docs/sn74cbtlv3126pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SN74CBTLV3126PWR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74CBTLV3126PWRD",
      "kind": "packaging"
    },
    {
      "mpn": "SN74CBTLV3126PWRDGV",
      "kind": "packaging"
    },
    {
      "mpn": "SN74CBTLV3126PWRRGY",
      "kind": "packaging"
    },
    {
      "mpn": "SN74CBTLV3126PWRBQA",
      "kind": "packaging"
    },
    {
      "mpn": "SN74CBTLV3126PWRDYY",
      "kind": "packaging"
    },
    {
      "mpn": "SN74CBTLV3126PWRDBQ",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:55:45.437Z"
}