SN74AHC1G125DBVR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74ahc1g125dbvr",
  "title": "SN74AHC1G125DBVR",
  "brief": "Texas Instruments Buffer/Driver/Transceiver, 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",
    "sn74ahc1g125dbvr"
  ],
  "component": {
    "mpn": "SN74AHC1G125DBVR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Logic",
    "subcategory": "Buffer/Driver/Transceiver",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74ahc1g125.pdf",
    "parts": {
      "symbol": "sn74ahc1g125dbvr.kicad_sym",
      "footprint": "sn74ahc1g125dbvr.kicad_mod",
      "model_3d": "sn74ahc1g125dbvr-etched.glb",
      "model_3d_plain": "sn74ahc1g125dbvr.glb",
      "model_3d_step": "sn74ahc1g125dbvr-etched.step",
      "model_3d_step_plain": "sn74ahc1g125dbvr.step",
      "lbr": "sn74ahc1g125dbvr.lbr"
    },
    "distributor_links": {
      "digikey": "296-8744-2-ND",
      "lcsc": "C7468"
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Active-low output enable. When OE is low, the buffer passes A to Y; when OE is high, Y goes to high-impedance (3-state). Should be tied to VCC through a pullup during power up/down to ensure Hi-Z."
      },
      {
        "number": "2",
        "name": "A",
        "type": "input",
        "description": "Buffer data input. CMOS input accepts voltages up to 5.5 V regardless of VCC, allowing down-voltage translation. VIH/VIL scale with VCC (e.g. 3.85 V / 1.65 V at VCC = 5.5 V)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference (0 V)."
      },
      {
        "number": "4",
        "name": "Y",
        "type": "tri_state",
        "description": "3-state buffer output. Drives ±8 mA at VCC = 5 V (±4 mA at 3.3 V). Follows A when OE is low; high-impedance when OE is high. Should not be pulled above VCC."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Recommended operating range 2 V to 5.5 V (absolute max 7 V). Typical ICC ≤ 10 µA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74ahc1g125.pdf",
        "pages": 27,
        "sha256": "052d22c81db989f4",
        "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"
    },
    "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": "74AHC1G125",
      "logic_family": "74AHC",
      "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": "sn74ahc1g125dbvr.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": "sn74ahc1g125dbvr-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": "86a8b5a0c9839639a1ab4191e9e6b15dfdf7151193338b38c4ff6b86392ea680",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-5",
      "Category": "Logic",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn74ahc1g125dbvr"
  ],
  "discovery_pitch": "SN74AHC1G125DBVR (Texas Instruments) 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",
    "sn74ahc1g125dbvr.kicad_sym",
    "sn74ahc1g125dbvr.kicad_mod",
    "sn74ahc1g125dbvr.glb",
    "sn74ahc1g125dbvr.step",
    "sn74ahc1g125dbvr-etched.step",
    "sn74ahc1g125dbvr.lbr",
    "docs/hero.png",
    "docs/sn74ahc1g125dbvr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SN74AHC1G125DBVR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHC1G125DBVRDBVT",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHC1G125DBVRDCKR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHC1G125DBVRDCKT",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AHC1G125DBVRDRLR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:38:35.781Z"
}