XD74LS154

{
  "slug": "xd74ls154",
  "version": "0.1.0",
  "type": "component",
  "description": "XINLUDA Signal Switches, Multiplexers, Decoders, DIP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "xd74ls154",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xd74ls154.kicad_sym",
    "xd74ls154.kicad_mod",
    "xd74ls154.glb",
    "xd74ls154.step",
    "xd74ls154.lbr",
    "docs/hero.png",
    "docs/xd74ls154-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xd74ls154-hero.glb",
    "xd74ls154-hero.overlay.json",
    "xd74ls154-etched.glb"
  ],
  "component": {
    "mpn": "XD74LS154",
    "manufacturer": "XINLUDA",
    "package": "DIP-24",
    "pin_count": 24,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588892888255614976",
    "parts": {
      "symbol": "xd74ls154.kicad_sym",
      "footprint": "xd74ls154.kicad_mod",
      "model_3d": "xd74ls154-hero.glb",
      "model_3d_plain": "xd74ls154-etched.glb",
      "model_3d_step": "xd74ls154-etched.step",
      "model_3d_step_plain": "xd74ls154.step",
      "lbr": "xd74ls154.lbr"
    },
    "distributor_links": {
      "lcsc": "C707077"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T23:30:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Y0",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "2",
        "name": "Y1",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "3",
        "name": "Y2",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "4",
        "name": "Y3",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "5",
        "name": "Y4",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "6",
        "name": "Y5",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "7",
        "name": "Y6",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "8",
        "name": "Y7",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "9",
        "name": "Y8",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "10",
        "name": "Y9",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "11",
        "name": "Y10",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference at 0 V for all voltages on the device."
      },
      {
        "number": "13",
        "name": "Y11",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "14",
        "name": "Y12",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "15",
        "name": "Y13",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "16",
        "name": "Y14",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "17",
        "name": "Y15",
        "type": "output",
        "description": "Active-LOW decoded data output; it is driven LOW when its address on A0 to A3 is selected while E0 and E1 are both LOW, and stays HIGH otherwise."
      },
      {
        "number": "18",
        "name": "E0",
        "type": "input",
        "description": "Active-LOW enable input; a HIGH on either E0 or E1 forces all outputs HIGH, and it can serve as the data input when the device is used as a demultiplexer."
      },
      {
        "number": "19",
        "name": "E1",
        "type": "input",
        "description": "Active-LOW enable input; a HIGH on either E0 or E1 forces all outputs HIGH, and it can serve as the data input when the device is used as a demultiplexer."
      },
      {
        "number": "20",
        "name": "A3",
        "type": "input",
        "description": "Binary-weighted address input that selects one of the sixteen outputs Y0 to Y15."
      },
      {
        "number": "21",
        "name": "A2",
        "type": "input",
        "description": "Binary-weighted address input that selects one of the sixteen outputs Y0 to Y15."
      },
      {
        "number": "22",
        "name": "A1",
        "type": "input",
        "description": "Binary-weighted address input that selects one of the sixteen outputs Y0 to Y15."
      },
      {
        "number": "23",
        "name": "A0",
        "type": "input",
        "description": "Binary-weighted address input that selects one of the sixteen outputs Y0 to Y15."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; the recommended operating range is 2.0 V to 6.0 V with 5.0 V typical."
      }
    ],
    "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: Table 1 lists the Y0 to Y15 pin numbers as a group in order, so the output-to-pin mapping (Y0=1 ... ; The datasheet gives the DIP-24 pinout and the 24-pin count matches. Other package variants are not i"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0456,
        "at": "2026-10-20T23:26:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588892888255614976",
        "pages": 11,
        "sha256": "9daf1088fb486a03",
        "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"
    },
    "models_3d": [
      {
        "file": "xd74ls154.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          31.75,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "305ecc33779421c4eaa38993d80432e50eb6e02cae0807055a4a07ffcb2f0d2b",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xd74ls154-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          31.75,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "66578d1ee6448161f3c36ed395226a96e6cac3c190f4428dcaecc0ed079abdea",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}