SN74AHCT1G125DBVR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74ahct1g125dbvr",
  "title": "SN74AHCT1G125DBVR",
  "brief": "UMW Gates, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "sn74ahct1g125dbvr"
  ],
  "component": {
    "mpn": "SN74AHCT1G125DBVR",
    "manufacturer": "UMW",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Logic",
    "subcategory": "Gates",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2402021507_UMW-Youtai-Semiconductor-Co---Ltd--SN74AHCT1G125DBVR-UMW_C20617903.pdf",
    "parts": {
      "symbol": "sn74ahct1g125dbvr.kicad_sym",
      "footprint": "sn74ahct1g125dbvr.kicad_mod",
      "model_3d": "sn74ahct1g125dbvr-etched.glb",
      "model_3d_plain": "sn74ahct1g125dbvr.glb",
      "model_3d_step": "sn74ahct1g125dbvr-etched.step",
      "model_3d_step_plain": "sn74ahct1g125dbvr.step",
      "lbr": "sn74ahct1g125dbvr.lbr"
    },
    "distributor_links": {
      "digikey": "4518-SN74AHCT1G125DBVRTR-ND"
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Active-low output enable (OE, overlined). When low, the buffer passes A to Y; when high, Y is placed in the high-impedance (Hi-Z) 3-state. TTL-compatible input."
      },
      {
        "number": "2",
        "name": "A",
        "type": "input",
        "description": "Buffer data input. TTL-voltage compatible (VIH ≥ 2 V, VIL ≤ 0.8 V). Passed to output Y when OE is low."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference (0 V)."
      },
      {
        "number": "4",
        "name": "Y",
        "type": "tri_state",
        "description": "Buffer 3-state output. Drives ±8 mA at 5 V; follows A when OE is low, Hi-Z when OE is high."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Recommended operating range 4.5 V to 5.5 V; absolute max 7.0 V. Bypass with a 100 nF ceramic capacitor close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2402021507_UMW-Youtai-Semiconductor-Co---Ltd--SN74AHCT1G125DBVR-UMW_C20617903.pdf",
        "pages": 10,
        "sha256": "72ab42624be87c31",
        "source_tier": "lcsc"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "74AHCT1G125",
      "logic_family": "74AHCT",
      "function_code": "1G125",
      "function_class": "Buffer",
      "function_name": "1-gate variant of Quad Bus Buffer with 3-State Outputs (125)",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "sn74ahct1g125dbvr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74ahct1g125dbvr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "854479e6e8aa94443bd77dfdefcd36ffe304882963b8e42b0475b68a1177262c",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Unknown",
      "Package": "SOT-23-5",
      "Category": "Logic",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn74ahct1g125dbvr"
  ],
  "discovery_pitch": "SN74AHCT1G125DBVR (Unknown) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74ahct1g125dbvr.kicad_sym",
    "sn74ahct1g125dbvr.kicad_mod",
    "sn74ahct1g125dbvr.glb",
    "sn74ahct1g125dbvr.step",
    "sn74ahct1g125dbvr-etched.step",
    "sn74ahct1g125dbvr.lbr",
    "docs/hero.png",
    "docs/sn74ahct1g125dbvr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "SN74AHCT1G125DBVR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCT1G125DBVRDCK",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHCT1G125DBVRDCKR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:43:58.940Z"
}