main
Ray Set visibility: public 417bcb2 6h ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812
{
  "schema_version": 1,
  "type": "component",
  "slug": "74ahc1g14qse-7",
  "title": "74AHC1G14QSE-7",
  "brief": "Diodes Incorporated Inverters, SOT-353. 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",
    "74ahc1g14qse-7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "74AHC1G14QSE-7",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-353",
    "pin_count": 5,
    "category": "Logic",
    "subcategory": "Inverters",
    "datasheet": "https://www.diodes.com/assets/Datasheets/74AHC1G14QSE-7.pdf",
    "parts": {
      "symbol": "74ahc1g14qse-7.kicad_sym",
      "footprint": "74ahc1g14qse-7.kicad_mod",
      "model_3d": "74ahc1g14qse-7-hero.glb",
      "model_3d_plain": "74ahc1g14qse-7-etched.glb",
      "model_3d_step": "74ahc1g14qse-7-etched.step",
      "model_3d_step_plain": "74ahc1g14qse-7.step",
      "lbr": "74ahc1g14qse-7.lbr"
    },
    "distributor_links": {
      "lcsc": "C3272823",
      "digikey": "31-74AHC1G14QSE-7TR-ND",
      "mouser": "621-74AHC1G14QSE-7"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T10:16:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-74AHC1G14QSE-7TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-74AHC1G14QSE-7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "2",
        "name": "A",
        "type": "input",
        "description": "Schmitt-trigger data input, not limited by VCC, accepts 0 to 5.5V and unused inputs should be held at VCC or ground."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "Y",
        "type": "output",
        "description": "Push-pull inverted data output, rated for ±8mA drive at VCC = 4.5V to 5.5V."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 2V to 5.5V (absolute maximum -0.5 to 6.5V)."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-assignment figure text is extracted without clear number-to-name association (only the numbe"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0867,
        "at": "2026-10-22T10:15:21"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/74AHC1G14QSE-7.pdf",
        "pages": 9,
        "sha256": "76c3e3b1e61ceca7",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "74ahc1g14qse-7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2860de5b7b085919ff6e952148353f928798588d9f544dc69430545aff2ba908",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74ahc1g14qse-7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6e94b4c4df8d9b41914968a60a9af8faf146007f52f0b4e5a57b826e7bbe855e",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-353",
      "Category": "Logic",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": " Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208  Weight: 0.0158 grams (Approximate)",
        "page": 8,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "76c3e3b1e61ceca793f3c5c75387d9f9887447f50be352bfd7d5961161be977a"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "76c3e3b1e61ceca793f3c5c75387d9f9887447f50be352bfd7d5961161be977a",
      "rows": [
        {
          "name": "Supply Voltage Range (abs max)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range (abs max)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage Applied to Output in High or Low State",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "max printed as VCC + 0.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Clamp Current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": null,
          "conditions": "VI < 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Clamp Current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VO < 0 or VO > VCC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Output Current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "VO = 0 to VCC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Current Through VCC",
          "symbol": "ICC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Current Through GND",
          "symbol": "IGND",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -75,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "Note 6",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human Body Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "ESD CDM",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Charged Device Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VI",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "max printed as VCC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -50,
          "conditions": "VCC = 2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -4,
          "conditions": "VCC = 3.3V ± 0.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -8,
          "conditions": "VCC = 5V ± 0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VCC = 2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VCC = 3.3V ± 0.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VCC = 5V ± 0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Free-Air Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Positive-Going Input Threshold Voltage",
          "symbol": "VT+",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2.2,
          "conditions": "VCC = 3V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Positive-Going Input Threshold Voltage",
          "symbol": "VT+",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.15,
          "conditions": "VCC = 4.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Positive-Going Input Threshold Voltage",
          "symbol": "VT+",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3.85,
          "conditions": "VCC = 5.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Negative-Going Input Threshold Voltage",
          "symbol": "VT-",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": null,
          "max": null,
          "conditions": "VCC = 3V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Negative-Going Input Threshold Voltage",
          "symbol": "VT-",
          "kind": "electrical",
          "unit": "V",
          "min": 1.35,
          "typ": null,
          "max": null,
          "conditions": "VCC = 4.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Negative-Going Input Threshold Voltage",
          "symbol": "VT-",
          "kind": "electrical",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": null,
          "conditions": "VCC = 5.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis (VT+ - VT-)",
          "symbol": "ΔVT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.25,
          "typ": null,
          "max": 1.2,
          "conditions": "VCC = 3V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis (VT+ - VT-)",
          "symbol": "ΔVT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.35,
          "typ": null,
          "max": 1.4,
          "conditions": "VCC = 4.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis (VT+ - VT-)",
          "symbol": "ΔVT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.45,
          "typ": null,
          "max": 1.6,
          "conditions": "VCC = 5.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": null,
          "max": null,
          "conditions": "VI = VIL, IOH = -50μA, VCC = 2V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.9,
          "typ": null,
          "max": null,
          "conditions": "VI = VIL, IOH = -50μA, VCC = 3V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": null,
          "max": null,
          "conditions": "VI = VIL, IOH = -50μA, VCC = 4.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "VI = VIL, IOH = -4mA, VCC = 3V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.7,
          "typ": null,
          "max": null,
          "conditions": "VI = VIL, IOH = -8mA, VCC = 4.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VI = VIH, IOL = 50μA, VCC = 2V to 4.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.55,
          "conditions": "VI = VIH, IOL = 4mA, VCC = 3V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "μA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VI = 5.5V or GND, VCC = 0 to 5.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "VI = 5.5V or GND, IO = 0, VCC = 5.5V, -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance",
          "symbol": "CI",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "VI = VCC or GND, VCC = 5.5V; typ at +25°C, max -40°C to +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay A to Y",
          "symbol": "tPD",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 4.2,
          "max": 16.5,
          "conditions": "VCC = 3.3V ± 0.3V, CL = 15pF; typ at +25°C, min/max -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay A to Y",
          "symbol": "tPD",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 6,
          "max": 20.5,
          "conditions": "VCC = 3.3V ± 0.3V, CL = 50pF; typ at +25°C, min/max -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay A to Y",
          "symbol": "tPD",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 3.2,
          "max": 11,
          "conditions": "VCC = 5V ± 0.5V, CL = 15pF; typ at +25°C, min/max -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay A to Y",
          "symbol": "tPD",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 4.6,
          "max": 13.5,
          "conditions": "VCC = 5V ± 0.5V, CL = 50pF; typ at +25°C, min/max -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation Capacitance",
          "symbol": "CPD",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VCC = 5V, f = 1MHz, No Load, TA = +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (SOT353)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 385,
          "max": null,
          "conditions": "Note 8: FR-4, 2oz copper, minimum recommended pad layout",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case (SOT353)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 164,
          "max": null,
          "conditions": "Note 8: FR-4, 2oz copper, minimum recommended pad layout",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "74ahc1g14qse-7"
  ],
  "discovery_pitch": "74AHC1G14QSE-7 (Diodes Incorporated) 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",
    "74ahc1g14qse-7.kicad_sym",
    "74ahc1g14qse-7.kicad_mod",
    "74ahc1g14qse-7.glb",
    "74ahc1g14qse-7.step",
    "74ahc1g14qse-7.lbr",
    "docs/hero.png",
    "docs/74ahc1g14qse-7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74ahc1g14qse-7-hero.glb",
    "74ahc1g14qse-7-hero.overlay.json",
    "74ahc1g14qse-7-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}