SN74AHC1G126DCKR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74ahc1g126dckr",
  "title": "SN74AHC1G126DCKR",
  "brief": "Texas Instruments Buffer/Driver/Transceiver, SC-70-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "logic",
    "sn74ahc1g126dckr"
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  "component": {
    "mpn": "SN74AHC1G126DCKR",
    "manufacturer": "Texas Instruments",
    "package": "SC-70-5",
    "pin_count": 5,
    "category": "Logic",
    "subcategory": "Buffer/Driver/Transceiver",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74ahc1g126.pdf",
    "parts": {
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      "footprint": "sn74ahc1g126dckr.kicad_mod",
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      "model_3d_plain": "sn74ahc1g126dckr.glb",
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      "lbr": "sn74ahc1g126dckr.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Active-high output enable. When OE = high, the buffer passes A to Y; when OE = low, Y is placed in a high-impedance (Hi-Z) state. CMOS input, V_IH ≥ 3.85 V at V_CC = 5.5 V."
      },
      {
        "number": "2",
        "name": "A",
        "type": "input",
        "description": "Data input to the buffer. Logic level at A is driven to Y output when OE is high. CMOS input; unused inputs must be tied to V_CC or GND per TI floating-input guidance."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the device."
      },
      {
        "number": "4",
        "name": "Y",
        "type": "tri_state",
        "description": "3-state buffer output. Drives the logic level of A when OE is high; enters high-impedance when OE is low. Rated ±8 mA drive at V_CC = 5 V (±4 mA at 3.3 V)."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, 2 V to 5.5 V recommended operating range. Absolute maximum 7 V. Typical I_CC ≤ 10 µA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74ahc1g126.pdf",
        "pages": 27,
        "sha256": "6824188e88dcff51",
        "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"
    },
    "logic": {
      "family_id": "74AHC1G126",
      "logic_family": "74AHC",
      "function_code": "1G126",
      "function_class": "Buffer",
      "function_name": "1-gate variant of Quad Bus Buffer with 3-State Outputs (126)",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SC-70-5",
      "Category": "Logic",
      "Pins": "5"
    }
  },
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "SN74AHC1G126DCKR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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  "visibility": {
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  "variants": [
    {
      "mpn": "SN74AHC1G126DCKR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHC1G126DCKRDCKT",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHC1G126DCKRDBVR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHC1G126DCKRDBVT",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHC1G126DCKRDRLR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:39:09.925Z"
}