main
Ray Set visibility: public 634c806 6d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791
{
  "schema_version": 1,
  "type": "component",
  "slug": "74hc126pw",
  "title": "74HC126PW",
  "brief": "Nexperia Buffers, Drivers, Receivers, Transceivers, TSSOP-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",
    "74hc126pw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "74HC126PW",
    "manufacturer": "Nexperia",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74HC126PW.pdf",
    "parts": {
      "symbol": "74hc126pw.kicad_sym",
      "footprint": "74hc126pw.kicad_mod",
      "model_3d": "74hc126pw-hero.glb",
      "model_3d_plain": "74hc126pw-etched.glb",
      "model_3d_step": "74hc126pw-etched.step",
      "model_3d_step_plain": "74hc126pw.step",
      "lbr": "74hc126pw.lbr"
    },
    "distributor_links": {
      "lcsc": "C456112"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:02:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Data enable input for buffer 1 (active HIGH); a LOW on 1OE puts output 1Y in the high-impedance OFF-state."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Data input 1A; inputs include clamp diodes, so current-limiting resistors can interface them to voltages above VCC."
      },
      {
        "number": "3",
        "name": "1Y",
        "type": "tri_state",
        "description": "Data output 1Y of buffer 1 with 3-state output, high-impedance when 1OE is LOW."
      },
      {
        "number": "4",
        "name": "2OE",
        "type": "input",
        "description": "Data enable input for buffer 2 (active HIGH); a LOW on 2OE puts output 2Y in the high-impedance OFF-state."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "input",
        "description": "Data input 2A; inputs include clamp diodes, so current-limiting resistors can interface them to voltages above VCC."
      },
      {
        "number": "6",
        "name": "2Y",
        "type": "tri_state",
        "description": "Data output 2Y of buffer 2 with 3-state output, high-impedance when 2OE is LOW."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference for all voltages on the device."
      },
      {
        "number": "8",
        "name": "3Y",
        "type": "tri_state",
        "description": "Data output 3Y of buffer 3 with 3-state output, high-impedance when 3OE is LOW."
      },
      {
        "number": "9",
        "name": "3A",
        "type": "input",
        "description": "Data input 3A; inputs include clamp diodes, so current-limiting resistors can interface them to voltages above VCC."
      },
      {
        "number": "10",
        "name": "3OE",
        "type": "input",
        "description": "Data enable input for buffer 3 (active HIGH); a LOW on 3OE puts output 3Y in the high-impedance OFF-state."
      },
      {
        "number": "11",
        "name": "4Y",
        "type": "tri_state",
        "description": "Data output 4Y of buffer 4 with 3-state output, high-impedance when 4OE is LOW."
      },
      {
        "number": "12",
        "name": "4A",
        "type": "input",
        "description": "Data input 4A; inputs include clamp diodes, so current-limiting resistors can interface them to voltages above VCC."
      },
      {
        "number": "13",
        "name": "4OE",
        "type": "input",
        "description": "Data enable input for buffer 4 (active HIGH); a LOW on 4OE puts output 4Y in the high-impedance OFF-state."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; 2.0 V to 6.0 V for 74HC126 and 4.5 V to 5.5 V for 74HCT126 per the recommended operating conditions."
      }
    ],
    "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": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 13,
        "cost_usd": 0.0024,
        "at": "2026-10-17T18:01:31"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/74HC126PW.pdf",
        "pages": 13,
        "sha256": "9ba79df1ac62551b",
        "source_tier": "mfr"
      },
      "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": "74hc126pw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74hc126pw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "35199a4e45618a28e3179b17b75383c334bd716a810f88552214fb99326e6de5",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "TSSOP-14",
      "Category": "Logic",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9ba79df1ac62551bd3df5832d26cb3c4271d2761ff420a1891c4579e50566543",
      "rows": [
        {
          "name": "input voltage",
          "symbol": "VI",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "output voltage",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ambient temperature",
          "symbol": "Tamb",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": 25,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "input transition rise and fall rate",
          "symbol": "Δt/ΔV",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "VCC = 2.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "input transition rise and fall rate",
          "symbol": "Δt/ΔV",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": null,
          "typ": 1.67,
          "max": 139,
          "conditions": "VCC = 4.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "input transition rise and fall rate",
          "symbol": "Δt/ΔV",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": null,
          "typ": null,
          "max": 83,
          "conditions": "VCC = 6.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": 5,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "input clamping current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VI < -0.5 V or VI > VCC + 0.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "output clamping current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VO < -0.5 V or VO > VCC + 0.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "output current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -35,
          "typ": null,
          "max": 35,
          "conditions": "-0.5 V < VO < VCC + 0.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "supply current",
          "symbol": "ICC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ground current",
          "symbol": "IGND",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -70,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "total power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Tamb = -40 °C to +125 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": 1.2,
          "max": null,
          "conditions": "VCC = 2.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.15,
          "typ": 2.4,
          "max": null,
          "conditions": "VCC = 4.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": 3.2,
          "max": null,
          "conditions": "VCC = 6.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LOW-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": 0.5,
          "conditions": "VCC = 2.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LOW-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.1,
          "max": 1.35,
          "conditions": "VCC = 4.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LOW-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.8,
          "max": 1.8,
          "conditions": "VCC = 6.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": 2,
          "max": null,
          "conditions": "VI = VIH or VIL; IO = -20 μA; VCC = 2.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": 4.5,
          "max": null,
          "conditions": "VI = VIH or VIL; IO = -20 μA; VCC = 4.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 5.9,
          "typ": 6,
          "max": null,
          "conditions": "VI = VIH or VIL; IO = -20 μA; VCC = 6.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.7,
          "typ": 4.32,
          "max": null,
          "conditions": "VI = VIH or VIL; IO = -6.0 mA; VCC = 4.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 5.2,
          "typ": 5.81,
          "max": null,
          "conditions": "VI = VIH or VIL; IO = -7.8 mA; VCC = 6.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LOW-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0,
          "max": 0.1,
          "conditions": "VI = VIH or VIL; IO = 20 μA; VCC = 2.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LOW-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.15,
          "max": 0.4,
          "conditions": "VI = VIH or VIL; IO = 6.0 mA; VCC = 4.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LOW-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.16,
          "max": 0.4,
          "conditions": "VI = VIH or VIL; IO = 7.8 mA; VCC = 6.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "input leakage current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VI = VCC or GND; VCC = 6.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "OFF-state output current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VI = VIH or VIL; VCC = 6.0 V; VO = VCC or GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "VI = VCC or GND; IO = 0 A; VCC = 6.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "propagation delay",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 30,
          "max": 150,
          "conditions": "nA to nY; see Fig. 4; VCC = 2.0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "propagation delay",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 11,
          "max": 30,
          "conditions": "nA to nY; see Fig. 4; VCC = 4.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "propagation delay",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 26,
          "conditions": "nA to nY; see Fig. 4; VCC = 6.0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "enable time",
          "symbol": "ten",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 41,
          "max": 190,
          "conditions": "nOE to nY; see Fig. 5; VCC = 2.0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "enable time",
          "symbol": "ten",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 15,
          "max": 38,
          "conditions": "nOE to nY; see Fig. 5; VCC = 4.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "enable time",
          "symbol": "ten",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 12,
          "max": 32,
          "conditions": "nOE to nY; see Fig. 5; VCC = 6.0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "disable time",
          "symbol": "tdis",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 41,
          "max": 190,
          "conditions": "nOE to nY; see Fig. 5; VCC = 2.0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "disable time",
          "symbol": "tdis",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 15,
          "max": 38,
          "conditions": "nOE to nY; see Fig. 5; VCC = 4.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "disable time",
          "symbol": "tdis",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 12,
          "max": 32,
          "conditions": "nOE to nY; see Fig. 5; VCC = 6.0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "transition time",
          "symbol": "tt",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 14,
          "max": 90,
          "conditions": "see Fig. 4; VCC = 2.0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "transition time",
          "symbol": "tt",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 5,
          "max": 18,
          "conditions": "see Fig. 4; VCC = 4.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "transition time",
          "symbol": "tt",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 4,
          "max": 15,
          "conditions": "see Fig. 4; VCC = 6.0 V",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "74hc126pw"
  ],
  "discovery_pitch": "74HC126PW (Nexperia) 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",
    "74hc126pw.kicad_sym",
    "74hc126pw.kicad_mod",
    "74hc126pw.glb",
    "74hc126pw.step",
    "74hc126pw.lbr",
    "docs/hero.png",
    "docs/74hc126pw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74hc126pw-hero.glb",
    "74hc126pw-hero.overlay.json",
    "74hc126pw-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}