main
Ray Publish 0.1.0 ac64828 7h ago
{
  "slug": "sn74lvc1g157dc",
  "version": "0.1.0",
  "type": "component",
  "description": "lingxingic Signal Switches, Multiplexers, Decoders, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74lvc1g157dc",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74lvc1g157dc.kicad_sym",
    "sn74lvc1g157dc.kicad_mod",
    "sn74lvc1g157dc.glb",
    "sn74lvc1g157dc.step",
    "sn74lvc1g157dc.lbr",
    "docs/hero.png",
    "docs/sn74lvc1g157dc-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74lvc1g157dc-hero.glb",
    "sn74lvc1g157dc-hero.overlay.json",
    "sn74lvc1g157dc-etched.glb"
  ],
  "component": {
    "mpn": "SN74LVC1G157DC",
    "manufacturer": "lingxingic",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603394211073048576",
    "parts": {
      "symbol": "sn74lvc1g157dc.kicad_sym",
      "footprint": "sn74lvc1g157dc.kicad_mod",
      "model_3d": "sn74lvc1g157dc-hero.glb",
      "model_3d_plain": "sn74lvc1g157dc-etched.glb",
      "model_3d_step": "sn74lvc1g157dc-etched.step",
      "model_3d_step_plain": "sn74lvc1g157dc.step",
      "lbr": "sn74lvc1g157dc.lbr"
    },
    "distributor_links": {
      "lcsc": "C22469913"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:36:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I1",
        "type": "input",
        "description": "Data input from source 1; input voltage range is 0 V to 5.5 V under the recommended operating conditions."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference for all voltages in the datasheet."
      },
      {
        "number": "3",
        "name": "I0",
        "type": "input",
        "description": "Data input from source 0; input voltage range is 0 V to 5.5 V under the recommended operating conditions."
      },
      {
        "number": "4",
        "name": "Y",
        "type": "output",
        "description": "Multiplexer output that presents the selected input (I0 or I1) in true, non-inverted form; output swings up to VCC in active mode."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 1.65 V to 5.5 V recommended operating range."
      },
      {
        "number": "6",
        "name": "S",
        "type": "input",
        "description": "Common data select input that chooses I0 (S low) or I1 (S high); input levels follow VIH/VIL for the VCC in use."
      }
    ],
    "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 datasheet's ordering table lists SN74LVC1G157DB and SN74LVC1G157DC together with both SOT-23-6 a; The pin configuration figure on page 4 is a text extraction with no explicit pin-to-position drawing"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0544,
        "at": "2026-10-17T14:34:20"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603394211073048576",
        "pages": 13,
        "sha256": "f0d3579df56045d6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn74lvc1g157dc.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74lvc1g157dc-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b6bbd724243262cd80e5dd2bc3c19847a1270fd4bbcf91f33e4b95a5af18647",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}