main
Ray Set visibility: public 26a5c81 6d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721
{
  "schema_version": 1,
  "type": "component",
  "slug": "xl74ls148",
  "title": "XL74LS148",
  "brief": "XINLUDA Signal Switches, Multiplexers, Decoders, SOP-16. 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",
    "xl74ls148",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "XL74LS148",
    "manufacturer": "XINLUDA",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906218983604224",
    "parts": {
      "symbol": "xl74ls148.kicad_sym",
      "footprint": "xl74ls148.kicad_mod",
      "model_3d": "xl74ls148-hero.glb",
      "model_3d_plain": "xl74ls148-etched.glb",
      "model_3d_step": "xl74ls148-etched.step",
      "model_3d_step_plain": "xl74ls148.step",
      "lbr": "xl74ls148.lbr"
    },
    "distributor_links": {
      "lcsc": "C521196"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:29:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "4",
        "type": "input",
        "description": "Active-low data input 4 of the eight-line priority encoder."
      },
      {
        "number": "2",
        "name": "5",
        "type": "input",
        "description": "Active-low data input 5 of the eight-line priority encoder."
      },
      {
        "number": "3",
        "name": "6",
        "type": "input",
        "description": "Active-low data input 6 of the eight-line priority encoder."
      },
      {
        "number": "4",
        "name": "7",
        "type": "input",
        "description": "Active-low data input 7, the highest-priority data line."
      },
      {
        "number": "5",
        "name": "EI",
        "type": "input",
        "description": "Enable input for cascading; active low, and a high level forces all outputs inactive."
      },
      {
        "number": "6",
        "name": "A2",
        "type": "output",
        "description": "Active-low binary address output A2 (most significant bit) of the encoded input."
      },
      {
        "number": "7",
        "name": "A1",
        "type": "output",
        "description": "Active-low binary address output A1 of the encoded input."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal, the reference for all voltages."
      },
      {
        "number": "9",
        "name": "A0",
        "type": "output",
        "description": "Active-low binary address output A0 (least significant bit) of the encoded input."
      },
      {
        "number": "10",
        "name": "0",
        "type": "input",
        "description": "Active-low data input 0, the lowest-priority data line."
      },
      {
        "number": "11",
        "name": "1",
        "type": "input",
        "description": "Active-low data input 1 of the eight-line priority encoder."
      },
      {
        "number": "12",
        "name": "2",
        "type": "input",
        "description": "Active-low data input 2 of the eight-line priority encoder."
      },
      {
        "number": "13",
        "name": "3",
        "type": "input",
        "description": "Active-low data input 3 of the eight-line priority encoder."
      },
      {
        "number": "14",
        "name": "GS",
        "type": "output",
        "description": "Active-low group select output, low when EI is low and any data input is active."
      },
      {
        "number": "15",
        "name": "EO",
        "type": "output",
        "description": "Active-low enable output for cascading, low when EI is low and all data inputs are high."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 4.75 V to 5.25 V (7 V absolute maximum)."
      }
    ],
    "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 11,
        "cost_usd": 0.2068,
        "at": "2026-10-18T03:26:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906218983604224",
        "pages": 11,
        "sha256": "a4113bfa7323e002",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "xl74ls148.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xl74ls148-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8743d7642c8fc287cdec4738864fc66f5eda9c86efc77929a97daad31e1d773d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XINLUDA",
      "Package": "SOP-16",
      "Category": "Logic",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a4113bfa7323e0029f167947ff680c313d6a435ca509e79ee7189a5e1843b924",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.75,
          "typ": 5,
          "max": 5.25,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -400,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "see Note 1",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (74LS148)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature range, SOP package",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 7,
          "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": 7,
          "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 = 0.8 V, VIH = 2 V, IOH = −400 µA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.25,
          "max": 0.4,
          "conditions": "VCC = MIN, VIH = 2 V, VIL = VIL MAX, IOL = 4 mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.35,
          "max": 0.5,
          "conditions": "VCC = MIN, VIH = 2 V, VIL = VIL MAX, IOL = 8 mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input current at maximum input voltage",
          "symbol": "II",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VCC = MAX, VI = 7 V, 'LS148 inputs 1–7",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input current at maximum input voltage",
          "symbol": "II",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCC = MAX, VI = 7 V, all other inputs",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level input current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "VCC = MAX, VI = 2.7 V, 'LS148 inputs 1–7",
          "source_page": 7,
          "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, all other inputs",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -0.8,
          "conditions": "VCC = MAX, VI = 0.4 V, 'LS148 inputs 1–7",
          "source_page": 7,
          "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, all other inputs",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit output current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": -100,
          "conditions": "VCC = MAX",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 12,
          "max": 20,
          "conditions": "VCC = MAX, Condition 1",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 10,
          "max": 17,
          "conditions": "VCC = MAX, Condition 2",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, 1–7 to A0/A1/A2, in-phase output",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 14,
          "max": 18,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, 1–7 to A0/A1/A2, in-phase output",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 15,
          "max": 25,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, 1–7 to A0/A1/A2, out-of-phase output",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 20,
          "max": 36,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, 1–7 to A0/A1/A2, out-of-phase output",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 16,
          "max": 29,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, 0–7 to EO, out-of-phase output",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 7,
          "max": 18,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, 0–7 to EO, out-of-phase output",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 25,
          "max": 40,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, 0–7 to GS, in-phase output",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 35,
          "max": 55,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, 0–7 to GS, in-phase output",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 21,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, EI to A0/A1/A2, in-phase output",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 16,
          "max": 25,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, EI to A0/A1/A2, in-phase output",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 12,
          "max": 25,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, EI to GS, in-phase output",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 12,
          "max": 17,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, EI to GS, in-phase output",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 14,
          "max": 36,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, EI to EO, in-phase output",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 12,
          "max": 21,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, EI to EO, in-phase output",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 23,
          "max": 35,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xl74ls148"
  ],
  "discovery_pitch": "XL74LS148 (XINLUDA) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xl74ls148.kicad_sym",
    "xl74ls148.kicad_mod",
    "xl74ls148.glb",
    "xl74ls148.step",
    "xl74ls148.lbr",
    "docs/hero.png",
    "docs/xl74ls148-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xl74ls148-hero.glb",
    "xl74ls148-hero.overlay.json",
    "xl74ls148-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}