CD74ACT14E

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd74act14e",
  "title": "CD74ACT14E",
  "brief": "Texas Instruments Inverters, PDIP-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",
    "cd74act14e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CD74ACT14E",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Inverters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd74act14",
    "parts": {
      "symbol": "cd74act14e.kicad_sym",
      "footprint": "cd74act14e.kicad_mod",
      "model_3d": "cd74act14e-hero.glb",
      "model_3d_plain": "cd74act14e-etched.glb",
      "model_3d_step": "cd74act14e-etched.step",
      "model_3d_step_plain": "cd74act14e.step",
      "lbr": "cd74act14e.lbr"
    },
    "distributor_links": {
      "lcsc": "C2859556",
      "digikey": "296-12765-5-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T15:20:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-12765-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "error"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1A",
        "type": "input",
        "description": "Input A of inverter channel 1; the datasheet specifies input voltage limits of 0 V to VCC in the recommended operating conditions."
      },
      {
        "number": "2",
        "name": "1Y",
        "type": "output",
        "description": "Output Y of inverter channel 1 (Y = A); the output is rated for ±24 mA drive current per the features list."
      },
      {
        "number": "3",
        "name": "2A",
        "type": "input",
        "description": "Input A of inverter channel 2; the input voltage must stay within 0 V to VCC per the recommended operating conditions."
      },
      {
        "number": "4",
        "name": "2Y",
        "type": "output",
        "description": "Output Y of inverter channel 2 (Y = A); the output is rated for ±24 mA drive current per the features list."
      },
      {
        "number": "5",
        "name": "3A",
        "type": "input",
        "description": "Input A of inverter channel 3; the input voltage must stay within 0 V to VCC per the recommended operating conditions."
      },
      {
        "number": "6",
        "name": "3Y",
        "type": "output",
        "description": "Output Y of inverter channel 3 (Y = A); the output is rated for ±24 mA drive current per the features list."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "8",
        "name": "4Y",
        "type": "output",
        "description": "Output Y of inverter channel 4 (Y = A); the output is rated for ±24 mA drive current per the features list."
      },
      {
        "number": "9",
        "name": "4A",
        "type": "input",
        "description": "Input A of inverter channel 4; the input voltage must stay within 0 V to VCC per the recommended operating conditions."
      },
      {
        "number": "10",
        "name": "5Y",
        "type": "output",
        "description": "Output Y of inverter channel 5 (Y = A); the output is rated for ±24 mA drive current per the features list."
      },
      {
        "number": "11",
        "name": "5A",
        "type": "input",
        "description": "Input A of inverter channel 5; the input voltage must stay within 0 V to VCC per the recommended operating conditions."
      },
      {
        "number": "12",
        "name": "6Y",
        "type": "output",
        "description": "Output Y of inverter channel 6 (Y = A); the output is rated for ±24 mA drive current per the features list."
      },
      {
        "number": "13",
        "name": "6A",
        "type": "input",
        "description": "Input A of inverter channel 6; the input voltage must stay within 0 V to VCC per the recommended operating conditions."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; the recommended supply range is 4.5 V to 5.5 V and the absolute maximum is 6 V."
      }
    ],
    "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: Pin numbers, names and functions come from the Pin Functions table (Figure 3-1 / Table 3-1), which i; The datasheet gives no per-pin electrical limits. Input and output descriptions rely on the device-l"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0624,
        "at": "2026-10-16T15:19:47"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd74act14",
        "pages": 21,
        "sha256": "636f0c6a545a6761",
        "source_tier": "lcsc"
      },
      "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": "cd74act14e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.05,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3dae072a95c64bee0d1e58be8e75383639f5017ab982de1749d05808a4eed058",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd74act14e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.05,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "143a06d780ff488acae0935e7ac4a28c6516abad6f3feec760085af746ced38e",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "PDIP-14",
      "Category": "Logic",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "636f0c6a545a67614b97c738597f1761dfa360bbdbcdf6e416b66d7ae6a0103f",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input clamp current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VI < 0 or VI > VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output clamp current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VO < 0 or VO > VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous output current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VO = 0 to VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous current through VCC or GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "Over recommended operating free-air temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VI",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Over recommended operating free-air temperature range; max printed as VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Over recommended operating free-air temperature range; max printed as VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -24,
          "typ": null,
          "max": null,
          "conditions": "Over recommended operating free-air temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 24,
          "conditions": "Over recommended operating free-air temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input transition rise or fall rate",
          "symbol": "T∆t/∆v",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Over recommended operating free-air temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (N PDIP, 14 pins)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "N (PDIP) 14 pins",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Positive-going threshold",
          "symbol": "VT+",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": 2,
          "conditions": "VCC = 5 V; TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Negative-going threshold",
          "symbol": "VT−",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 1.3,
          "conditions": "VCC = 5 V; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis (VT+ − VT−)",
          "symbol": "ΔVT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.4,
          "typ": null,
          "max": null,
          "conditions": "VCC = 5 V; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": null,
          "max": null,
          "conditions": "VI = VT+; IOH = −50 µA; VCC = 4.5 V; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.94,
          "typ": null,
          "max": null,
          "conditions": "VI = VT+; IOH = −24 mA; VCC = 4.5 V; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.7,
          "typ": null,
          "max": null,
          "conditions": "VI = VT+; IOH = −24 mA; VCC = 4.5 V; TA = −55°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": null,
          "conditions": "VI = VT+; IOH = −24 mA; VCC = 4.5 V; TA = −40°C to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.85,
          "typ": null,
          "max": null,
          "conditions": "VI = VT+; IOH = −50 mA; VCC = 5.5 V; temperature column not determinable",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VI = VT−; IOL = 50 µA; VCC = 4.5 V; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.36,
          "conditions": "VI = VT−; IOL = 24 mA; VCC = 4.5 V; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VI = VT−; IOL = 24 mA; VCC = 4.5 V; TA = −55°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.44,
          "conditions": "VI = VT−; IOL = 24 mA; VCC = 4.5 V; TA = −40°C to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.65,
          "conditions": "VI = VT−; IOL = 50 mA; VCC = 5.5 V; temperature column not determinable",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VI = VCC or GND; VCC = 5.5 V; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VI = VCC or GND; VCC = 5.5 V; TA = −55°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VI = VCC or GND; IO = 0; VCC = 5.5 V; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "VI = VCC or GND; IO = 0; VCC = 5.5 V; TA = −55°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "VI = VCC or GND; IO = 0; VCC = 5.5 V; TA = −40°C to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Additional quiescent supply current per input pin",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2.4,
          "conditions": "VI = VCC − 2.1 V; VCC = 4.5 V to 5.5 V; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Additional quiescent supply current per input pin",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "VI = VCC − 2.1 V; VCC = 4.5 V to 5.5 V; TA = −55°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Additional quiescent supply current per input pin",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2.8,
          "conditions": "VI = VCC − 2.1 V; VCC = 4.5 V to 5.5 V; TA = −40°C to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "Ci",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, low-to-high (A to Y)",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 3.6,
          "typ": null,
          "max": 14.5,
          "conditions": "VCC = 5 V ± 0.5 V; TA = −55°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, low-to-high (A to Y)",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 3.7,
          "typ": null,
          "max": 13.2,
          "conditions": "VCC = 5 V ± 0.5 V; TA = −40°C to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, high-to-low (A to Y)",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 2.4,
          "typ": null,
          "max": 9.5,
          "conditions": "VCC = 5 V ± 0.5 V; TA = −55°C to 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay, high-to-low (A to Y)",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 2.4,
          "typ": null,
          "max": 8.6,
          "conditions": "VCC = 5 V ± 0.5 V; TA = −40°C to 85°C",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cd74act14e"
  ],
  "discovery_pitch": "CD74ACT14E (Texas Instruments) 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",
    "cd74act14e.kicad_sym",
    "cd74act14e.kicad_mod",
    "cd74act14e.glb",
    "cd74act14e.step",
    "cd74act14e.lbr",
    "docs/hero.png",
    "docs/cd74act14e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd74act14e-hero.glb",
    "cd74act14e-hero.overlay.json",
    "cd74act14e-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}