SN74HC14

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74hc14",
  "title": "SN74HC14",
  "brief": "TI hex Schmitt-trigger inverter, SOIC-14. 6 inverters, ~0.9 V hysteresis, 2-6 V. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "schmitt-trigger",
    "inverter",
    "74hc",
    "soic-14",
    "texas-instruments"
  ],
  "component": {
    "mpn": "SN74HC14",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Logic IC",
    "subcategory": "Hex Schmitt-trigger inverter",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hc14.pdf",
    "parts": {
      "symbol": "sn74hc14.kicad_sym",
      "footprint": "sn74hc14.kicad_mod",
      "model_3d": "sn74hc14-etched.glb",
      "model_3d_plain": "sn74hc14.glb",
      "lbr": "sn74hc14.lbr",
      "model_3d_step": "sn74hc14-etched.step",
      "model_3d_step_plain": "sn74hc14.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "1A",
        "type": "input",
        "description": "Channel 1 Schmitt-trigger input (inverter A1). CMOS input, VIH/VIL set by VT+/VT- hysteresis (typ VT+ 2.5 V, VT- 1.6 V @ Vcc=4.5 V)."
      },
      {
        "number": "2",
        "name": "1Y",
        "type": "output",
        "description": "Channel 1 inverter output (Y = /1A). CMOS push-pull, IOH/IOL up to 5.2 mA @ Vcc=6 V."
      },
      {
        "number": "3",
        "name": "2A",
        "type": "input",
        "description": "Channel 2 Schmitt-trigger input (inverter A2)."
      },
      {
        "number": "4",
        "name": "2Y",
        "type": "output",
        "description": "Channel 2 inverter output (Y = /2A). CMOS push-pull."
      },
      {
        "number": "5",
        "name": "3A",
        "type": "input",
        "description": "Channel 3 Schmitt-trigger input (inverter A3)."
      },
      {
        "number": "6",
        "name": "3Y",
        "type": "output",
        "description": "Channel 3 inverter output (Y = /3A)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V)."
      },
      {
        "number": "8",
        "name": "4Y",
        "type": "output",
        "description": "Channel 4 inverter output (Y = /4A)."
      },
      {
        "number": "9",
        "name": "4A",
        "type": "input",
        "description": "Channel 4 Schmitt-trigger input (inverter A4)."
      },
      {
        "number": "10",
        "name": "5Y",
        "type": "output",
        "description": "Channel 5 inverter output (Y = /5A)."
      },
      {
        "number": "11",
        "name": "5A",
        "type": "input",
        "description": "Channel 5 Schmitt-trigger input (inverter A5)."
      },
      {
        "number": "12",
        "name": "6Y",
        "type": "output",
        "description": "Channel 6 inverter output (Y = /6A)."
      },
      {
        "number": "13",
        "name": "6A",
        "type": "input",
        "description": "Channel 6 Schmitt-trigger input (inverter A6)."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply. Recommended 2 V to 6 V (nom 5 V); absolute max 7 V. Bypass with 100 nF to GND close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74hc14.pdf",
        "pages": 38,
        "sha256": "777ed9379ae69f81",
        "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"
    },
    "logic": {
      "family_id": "74HC14",
      "logic_family": "74HC",
      "function_code": "14",
      "function_class": "Gate",
      "function_name": "Hex Schmitt-Trigger Inverter",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "sn74hc14.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74hc14-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "99440900fb89cb4bee2b4414e1bd113f8afac1f6f2b15a5af18c9c5b114dff8e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Hex Schmitt-trigger inverter",
      "Function": "Y = /A (6 independent)",
      "Hysteresis": "~0.9 V typ @ VCC = 4.5 V",
      "Supply voltage": "2-6 V",
      "Logic family": "HC (high-speed CMOS)",
      "Channels": "6 inverters",
      "Package": "SOIC-14",
      "Body (L×W×H)": "8.65 × 3.9 × 1.75 mm"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn74hc14",
    "74hc14",
    "hex schmitt inverter",
    "schmitt trigger ic"
  ],
  "discovery_pitch": "SN74HC14 hex Schmitt-trigger inverter (SOIC-14) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74hc14.kicad_sym",
    "sn74hc14.kicad_mod",
    "sn74hc14.glb",
    "sn74hc14.lbr",
    "docs/hero.png",
    "docs/sn74hc14-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74hc14-etched.step"
  ],
  "variants": [
    {
      "mpn": "SN74HC14D (SOIC-14, tube)",
      "kind": "packaging"
    },
    {
      "mpn": "SN74HC14DR (SOIC-14, tape & reel)",
      "kind": "packaging"
    }
  ]
}