PI4MSD5V9543ALEX

{
  "slug": "pi4msd5v9543alex",
  "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",
    "pi4msd5v9543alex",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pi4msd5v9543alex.kicad_sym",
    "pi4msd5v9543alex.kicad_mod",
    "pi4msd5v9543alex.glb",
    "pi4msd5v9543alex.step",
    "pi4msd5v9543alex.lbr",
    "docs/hero.png",
    "docs/pi4msd5v9543alex-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pi4msd5v9543alex-hero.glb",
    "pi4msd5v9543alex-hero.overlay.json",
    "pi4msd5v9543alex-etched.glb"
  ],
  "component": {
    "mpn": "PI4MSD5V9543ALEX",
    "manufacturer": "Diodes Incorporated",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588940676976926720",
    "parts": {
      "symbol": "pi4msd5v9543alex.kicad_sym",
      "footprint": "pi4msd5v9543alex.kicad_mod",
      "model_3d": "pi4msd5v9543alex-hero.glb",
      "model_3d_plain": "pi4msd5v9543alex-etched.glb",
      "model_3d_step": "pi4msd5v9543alex-etched.step",
      "model_3d_step_plain": "pi4msd5v9543alex.step",
      "lbr": "pi4msd5v9543alex.lbr"
    },
    "distributor_links": {
      "lcsc": "C2674741",
      "digikey": "PI4MSD5V9543ALEXDITR-ND",
      "mouser": "729-PI4MSD5V9543ALEX"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T05:50:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "PI4MSD5V9543ALEXDITR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "729-PI4MSD5V9543ALEX",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Hardware address input 0, which has no internal pull-up and must be pulled HIGH or LOW."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Hardware address input 1, which has no internal pull-up and must be pulled HIGH or LOW."
      },
      {
        "number": "3",
        "name": "RESET",
        "type": "input",
        "description": "Active LOW reset input that resets the registers and I2C-bus state machine and deselects all channels when held LOW for at least tw(rst)L; it must be connected to VCC through a pull-up resistor."
      },
      {
        "number": "4",
        "name": "INT0",
        "type": "input",
        "description": "Active LOW interrupt input 0 for channel 0, reflected in control register bit INT0; if unused it must be connected to VCC through a pull-up resistor and must not be left floating."
      },
      {
        "number": "5",
        "name": "SD0",
        "type": "bidirectional",
        "description": "Serial data line for downstream channel 0, which is 5 V tolerant."
      },
      {
        "number": "6",
        "name": "SC0",
        "type": "bidirectional",
        "description": "Serial clock line for downstream channel 0, which is 5 V tolerant."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground supply."
      },
      {
        "number": "8",
        "name": "INT1",
        "type": "input",
        "description": "Active LOW interrupt input 1 for channel 1, reflected in control register bit INT1; if unused it must be connected to VCC through a pull-up resistor and must not be left floating."
      },
      {
        "number": "9",
        "name": "SD1",
        "type": "bidirectional",
        "description": "Serial data line for downstream channel 1, which is 5 V tolerant."
      },
      {
        "number": "10",
        "name": "SC1",
        "type": "bidirectional",
        "description": "Serial clock line for downstream channel 1, which is 5 V tolerant."
      },
      {
        "number": "11",
        "name": "INT",
        "type": "output",
        "description": "Open-drain active LOW interrupt output that goes LOW when any interrupt input is active, acting as the AND of INT0 and INT1; a pull-up resistor is required when the driving device is open-drain or can be 3-stated."
      },
      {
        "number": "12",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C-bus serial clock line, 5 V tolerant, which must be pulled up to a positive supply through a resistor."
      },
      {
        "number": "13",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C-bus serial data line, 5 V tolerant, which must be pulled up to a positive supply through a resistor."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage from 1.65 V to 5.5 V; it also limits the maximum high voltage passed by the pass gates."
      }
    ],
    "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 pin-name column is blank for these rows in the extracted text (pin 3, 4, 8 and 11 show only type; The VCC supply range (1.65 V to 5.5 V) comes from the Recommended Operation Conditions table on page"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0644,
        "at": "2026-10-19T05:47:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588940676976926720",
        "pages": 14,
        "sha256": "72504df0d5489153",
        "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": "pi4msd5v9543alex.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pi4msd5v9543alex-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": "f4134c27303ed8220291ff39a35e7c70f904bd884599333d05ef27b575d23c18",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}