PI3B3126LEX

{
  "slug": "pi3b3126lex",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated Signal Switches, Multiplexers, Decoders, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "pi3b3126lex",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pi3b3126lex.kicad_sym",
    "pi3b3126lex.kicad_mod",
    "pi3b3126lex.glb",
    "pi3b3126lex.step",
    "pi3b3126lex.lbr",
    "docs/hero.png",
    "docs/pi3b3126lex-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pi3b3126lex-hero.glb",
    "pi3b3126lex-hero.overlay.json",
    "pi3b3126lex-etched.glb"
  ],
  "component": {
    "mpn": "PI3B3126LEX",
    "manufacturer": "Diodes Incorporated",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560090536603107328",
    "parts": {
      "symbol": "pi3b3126lex.kicad_sym",
      "footprint": "pi3b3126lex.kicad_mod",
      "model_3d": "pi3b3126lex-hero.glb",
      "model_3d_plain": "pi3b3126lex-etched.glb",
      "model_3d_step": "pi3b3126lex-etched.step",
      "model_3d_step_plain": "pi3b3126lex.step",
      "lbr": "pi3b3126lex.lbr"
    },
    "distributor_links": {
      "lcsc": "C3001683",
      "digikey": "31-PI3B3126LEXTR-ND",
      "mouser": "729-PI3B3126LEX"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:36:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-PI3B3126LEXTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "729-PI3B3126LEX",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BE0",
        "type": "input",
        "description": "Active-HIGH bus enable for switch 0 on the PI3B3126; driving it high connects A0 to B0, and driving it low puts the switch in high impedance (disconnect)."
      },
      {
        "number": "2",
        "name": "A0",
        "type": "bidirectional",
        "description": "Bus A, bit 0 port of the 5Ω bus switch, which connects to B0 when BE0 is enabled."
      },
      {
        "number": "3",
        "name": "B0",
        "type": "bidirectional",
        "description": "Bus B, bit 0 port of the 5Ω bus switch, which connects to A0 when BE0 is enabled."
      },
      {
        "number": "4",
        "name": "BE1",
        "type": "input",
        "description": "Active-HIGH bus enable for switch 1 on the PI3B3126; driving it high connects A1 to B1, and driving it low puts the switch in high impedance (disconnect)."
      },
      {
        "number": "5",
        "name": "A1",
        "type": "bidirectional",
        "description": "Bus A, bit 1 port of the 5Ω bus switch, which connects to B1 when BE1 is enabled."
      },
      {
        "number": "6",
        "name": "B1",
        "type": "bidirectional",
        "description": "Bus B, bit 1 port of the 5Ω bus switch, which connects to A1 when BE1 is enabled."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "B2",
        "type": "bidirectional",
        "description": "Bus B, bit 2 port of the 5Ω bus switch, which connects to A2 when BE2 is enabled."
      },
      {
        "number": "9",
        "name": "A2",
        "type": "bidirectional",
        "description": "Bus A, bit 2 port of the 5Ω bus switch, which connects to B2 when BE2 is enabled."
      },
      {
        "number": "10",
        "name": "BE2",
        "type": "input",
        "description": "Active-HIGH bus enable for switch 2 on the PI3B3126; driving it high connects A2 to B2, and driving it low puts the switch in high impedance (disconnect)."
      },
      {
        "number": "11",
        "name": "B3",
        "type": "bidirectional",
        "description": "Bus B, bit 3 port of the 5Ω bus switch, which connects to A3 when BE3 is enabled."
      },
      {
        "number": "12",
        "name": "A3",
        "type": "bidirectional",
        "description": "Bus A, bit 3 port of the 5Ω bus switch, which connects to B3 when BE3 is enabled."
      },
      {
        "number": "13",
        "name": "BE3",
        "type": "input",
        "description": "Active-HIGH bus enable for switch 3 on the PI3B3126; driving it high connects A3 to B3, and driving it low puts the switch in high impedance (disconnect)."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3V supply (VCC = 3.3V ±10% over the operating range); the datasheet gives an absolute maximum supply of -0.5V to +4.6V."
      }
    ],
    "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: The 14-pin figure is extracted as text, so the pin-number-to-name mapping was inferred from the prin; The datasheet does not state a pin type for the A/B switch terminals; bidirectional was chosen becau"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0619,
        "at": "2026-10-18T05:34:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560090536603107328",
        "pages": 9,
        "sha256": "6ae833bbcf0d58a3",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "pi3b3126lex.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pi3b3126lex-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "35f2b1b5b3f2a3b3d6ac4ab0e6d83675390617b58a6929467026d61af8dc42a1",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}