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Ray mm74hc14mtcx: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC bod… b99180a 14d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mm74hc14mtcx",
  "title": "MM74HC14MTCX",
  "brief": "onsemi Inverters, TSSOP-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "mm74hc14mtcx"
  ],
  "component": {
    "mpn": "MM74HC14MTCX",
    "manufacturer": "onsemi",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Inverters",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mm74hc14mtcx-d.pdf",
    "parts": {
      "symbol": "mm74hc14mtcx.kicad_sym",
      "footprint": "mm74hc14mtcx.kicad_mod",
      "model_3d": "mm74hc14mtcx-etched.glb",
      "model_3d_plain": "mm74hc14mtcx.glb",
      "model_3d_step": "mm74hc14mtcx-etched.step",
      "model_3d_step_plain": "mm74hc14mtcx.step",
      "lbr": "mm74hc14mtcx.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "input",
        "description": "Schmitt-trigger input to inverter 1. VT+ typ 2.7 V, VT- typ 1.8 V at VCC = 4.5 V; hysteresis typ 0.9 V. Max input current ±1 µA."
      },
      {
        "number": "2",
        "name": "Y1",
        "type": "output",
        "description": "Inverted Schmitt-trigger output of gate 1 (Y1 = !A1). Drives ±4 mA at VCC = 4.5 V (VOH ≥ 3.98 V, VOL ≤ 0.26 V)."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Schmitt-trigger input to inverter 2. Same thresholds and hysteresis as A1."
      },
      {
        "number": "4",
        "name": "Y2",
        "type": "output",
        "description": "Inverted Schmitt-trigger output of gate 2 (Y2 = !A2)."
      },
      {
        "number": "5",
        "name": "A3",
        "type": "input",
        "description": "Schmitt-trigger input to inverter 3."
      },
      {
        "number": "6",
        "name": "Y3",
        "type": "output",
        "description": "Inverted Schmitt-trigger output of gate 3 (Y3 = !A3)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V). Common return for VCC."
      },
      {
        "number": "8",
        "name": "Y4",
        "type": "output",
        "description": "Inverted Schmitt-trigger output of gate 4 (Y4 = !A4)."
      },
      {
        "number": "9",
        "name": "A4",
        "type": "input",
        "description": "Schmitt-trigger input to inverter 4."
      },
      {
        "number": "10",
        "name": "Y5",
        "type": "output",
        "description": "Inverted Schmitt-trigger output of gate 5 (Y5 = !A5)."
      },
      {
        "number": "11",
        "name": "A5",
        "type": "input",
        "description": "Schmitt-trigger input to inverter 5."
      },
      {
        "number": "12",
        "name": "Y6",
        "type": "output",
        "description": "Inverted Schmitt-trigger output of gate 6 (Y6 = !A6)."
      },
      {
        "number": "13",
        "name": "A6",
        "type": "input",
        "description": "Schmitt-trigger input to inverter 6."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply. Recommended 2 V to 6 V; absolute max 7.0 V. Quiescent supply current typ 2 µA (max 20 µA at 25 °C)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mm74hc14mtcx-d.pdf",
        "pages": 10,
        "sha256": "e3bbc5909972bfbd",
        "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": "Onsemi (Fairchild legacy)",
      "is_specialty": false
    },
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mm74hc14mtcx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2538bf292c04df5f78e57df5cc281dbb7f1a1d80632e7ed4d6793aa44f031d42",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TSSOP-14",
      "Category": "Logic",
      "Pins": "14"
    }
  },
  "variants": [
    {
      "mpn": "MM74HC14MTCX",
      "kind": "packaging"
    },
    {
      "mpn": "MM74HC14MTCXM",
      "kind": "packaging"
    },
    {
      "mpn": "MM74HC14MTCXSJ",
      "kind": "packaging"
    },
    {
      "mpn": "MM74HC14MTCXN",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "mm74hc14mtcx"
  ],
  "discovery_pitch": "MM74HC14MTCX (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "mm74hc14mtcx.step",
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    "docs/hero.png",
    "docs/mm74hc14mtcx-datasheet.pdf",
    "viewers/symbol.html",
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T02:07:18.822Z"
}