main
Ray Set visibility: public c0ee285 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "xl74ls20",
  "title": "XL74LS20",
  "brief": "XINLUDA Gates, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic ics",
    "xl74ls20",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "XL74LS20",
    "manufacturer": "XINLUDA",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Logic ICs",
    "subcategory": "Gates",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3bae7adfa06b3724527f4419d4952d3f.pdf",
    "parts": {
      "symbol": "xl74ls20.kicad_sym",
      "footprint": "xl74ls20.kicad_mod",
      "model_3d": "xl74ls20-hero.glb",
      "model_3d_plain": "xl74ls20-etched.glb",
      "model_3d_step": "xl74ls20-etched.step",
      "model_3d_step_plain": "xl74ls20.step",
      "lbr": "xl74ls20.lbr"
    },
    "distributor_links": {
      "lcsc": "C556253"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T06:14:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1A",
        "type": "input",
        "description": "Gate 1 input A of the 4-input NAND; high-level input minimum 2 V, low-level maximum 0.8 V."
      },
      {
        "number": "2",
        "name": "1B",
        "type": "input",
        "description": "Gate 1 input B of the 4-input NAND; high-level input minimum 2 V, low-level maximum 0.8 V."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "1C",
        "type": "input",
        "description": "Gate 1 input C of the 4-input NAND; high-level input minimum 2 V, low-level maximum 0.8 V."
      },
      {
        "number": "5",
        "name": "1D",
        "type": "input",
        "description": "Gate 1 input D of the 4-input NAND; high-level input minimum 2 V, low-level maximum 0.8 V."
      },
      {
        "number": "6",
        "name": "1Y",
        "type": "output",
        "description": "Gate 1 output, low only when all four inputs are high; IOH -0.4 mA and IOL 8 mA maximum."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, the reference for all voltage values."
      },
      {
        "number": "8",
        "name": "2Y",
        "type": "output",
        "description": "Gate 2 output, low only when all four inputs are high; IOH -0.4 mA and IOL 8 mA maximum."
      },
      {
        "number": "9",
        "name": "2A",
        "type": "input",
        "description": "Gate 2 input A of the 4-input NAND; high-level input minimum 2 V, low-level maximum 0.8 V."
      },
      {
        "number": "10",
        "name": "2B",
        "type": "input",
        "description": "Gate 2 input B of the 4-input NAND; high-level input minimum 2 V, low-level maximum 0.8 V."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "12",
        "name": "2C",
        "type": "input",
        "description": "Gate 2 input C of the 4-input NAND; high-level input minimum 2 V, low-level maximum 0.8 V."
      },
      {
        "number": "13",
        "name": "2D",
        "type": "input",
        "description": "Gate 2 input D of the 4-input NAND; high-level input minimum 2 V, low-level maximum 0.8 V."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 4.75 V to 5.25 V (5 V nominal), absolute maximum 7 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet text says XL74LS10/XD74LS10 in the description, which looks like a typo for the LS20. ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.1831,
        "at": "2026-10-23T06:13:35"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3bae7adfa06b3724527f4419d4952d3f.pdf",
        "pages": 6,
        "sha256": "959424f1244ba473",
        "source_tier": "lcsc"
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      "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": "xl74ls20.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xl74ls20-etched.step",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "10eff553abb0a7d2437685fc7d6a66d4918eac6b849cb78c21ea98b54a093284",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XINLUDA",
      "Package": "SOP-14",
      "Category": "Logic ICs",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "959424f1244ba473a91ab8eab054439a6b420a368b2d91caff229af72897b539",
      "rows": [
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          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.75,
          "typ": 5,
          "max": 5.25,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
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        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -0.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input clamp voltage",
          "symbol": "VIK",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1.5,
          "conditions": "VCC = MIN, II = −18 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 3.4,
          "max": null,
          "conditions": "VCC = MIN, VIL = MAX, IOH = −0.4 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VCC = MIN, VIH = 2 V, IOL = 4 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.25,
          "max": 0.5,
          "conditions": "VCC = MIN, VIH = 2 V, IOL = 8 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input current at max input voltage",
          "symbol": "II",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCC = MAX, VI = 7 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level input current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VCC = MAX, VI = 2.7 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -0.4,
          "conditions": "VCC = MAX, VI = 0.4 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit output current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": -100,
          "conditions": "VCC = MAX",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current, outputs high",
          "symbol": "ICCH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.4,
          "max": 0.8,
          "conditions": "VCC = MAX, VI = 4.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current, outputs low",
          "symbol": "ICCL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.2,
          "max": 2.2,
          "conditions": "VCC = MAX, VI = 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, low-to-high",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 15,
          "conditions": "VCC = 5 V, TA = 25 C, RL = 2 kΩ, CL = 15 pF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, high-to-low",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 10,
          "max": 15,
          "conditions": "VCC = 5 V, TA = 25 C, RL = 2 kΩ, CL = 15 pF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "74LS20",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "SOP package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "XL74LS20 (XINLUDA) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}