SN74HC125PWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74hc125pwr",
  "title": "SN74HC125PWR",
  "brief": "Texas Instruments Buffer/Driver/Transceiver, TSSOP-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "sn74hc125pwr"
  ],
  "component": {
    "mpn": "SN74HC125PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Buffer/Driver/Transceiver",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hc125.pdf",
    "parts": {
      "symbol": "sn74hc125pwr.kicad_sym",
      "footprint": "sn74hc125pwr.kicad_mod",
      "model_3d": "sn74hc125pwr-etched.glb",
      "model_3d_plain": "sn74hc125pwr.glb",
      "model_3d_step": "sn74hc125pwr-etched.step",
      "model_3d_step_plain": "sn74hc125pwr.step",
      "lbr": "sn74hc125pwr.lbr"
    },
    "distributor_links": {
      "digikey": "296-26461-2-ND",
      "lcsc": "C132994"
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Channel 1 output enable, active low. When low, buffer 1 output (1Y) follows input 1A; when high, 1Y is high-impedance (three-state)."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Channel 1 buffer input. Logic level presented at 1Y when 1OE is low."
      },
      {
        "number": "3",
        "name": "1Y",
        "type": "tri_state",
        "description": "Channel 1 buffer output, three-state. Drives the logic level of 1A when 1OE is low; high-Z when 1OE is high. Can source/sink up to ±7.8 mA at VCC = 6 V."
      },
      {
        "number": "4",
        "name": "2OE",
        "type": "input",
        "description": "Channel 2 output enable, active low. When low, buffer 2 output (2Y) follows input 2A; when high, 2Y is high-impedance."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "input",
        "description": "Channel 2 buffer input."
      },
      {
        "number": "6",
        "name": "2Y",
        "type": "tri_state",
        "description": "Channel 2 buffer output, three-state."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply return. 0 V reference."
      },
      {
        "number": "8",
        "name": "3Y",
        "type": "tri_state",
        "description": "Channel 3 buffer output, three-state."
      },
      {
        "number": "9",
        "name": "3A",
        "type": "input",
        "description": "Channel 3 buffer input."
      },
      {
        "number": "10",
        "name": "3OE",
        "type": "input",
        "description": "Channel 3 output enable, active low."
      },
      {
        "number": "11",
        "name": "4Y",
        "type": "tri_state",
        "description": "Channel 4 buffer output, three-state."
      },
      {
        "number": "12",
        "name": "4A",
        "type": "input",
        "description": "Channel 4 buffer input."
      },
      {
        "number": "13",
        "name": "4OE",
        "type": "input",
        "description": "Channel 4 output enable, active low."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply. Recommended 2 V to 6 V (absolute max 7 V)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74hc125.pdf",
        "pages": 37,
        "sha256": "c21649cccf953ad9",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.8625,
        -1.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TSSOP-14_4.4x5mm_P0.65mm@sha256:e4bf82cea6d3b325",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "74HC125",
      "logic_family": "74HC",
      "function_code": "125",
      "function_class": "Buffer",
      "function_name": "Quad Bus Buffer with 3-State Outputs",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "sn74hc125pwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74hc125pwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2d7b1bfe5d65fe6776fa189b85cdcb9fb3641bdb20f098421c1654da8fc3642b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-14",
      "Category": "Logic",
      "Pins": "14"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn74hc125pwr"
  ],
  "discovery_pitch": "SN74HC125PWR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74hc125pwr.kicad_sym",
    "sn74hc125pwr.kicad_mod",
    "sn74hc125pwr.glb",
    "sn74hc125pwr.step",
    "sn74hc125pwr-etched.step",
    "sn74hc125pwr.lbr",
    "docs/hero.png",
    "docs/sn74hc125pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SN74HC125PWR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74HC125PWRD",
      "kind": "packaging"
    },
    {
      "mpn": "SN74HC125PWRDR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74HC125PWRDB",
      "kind": "packaging"
    },
    {
      "mpn": "SN74HC125PWRDBR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74HC125PWRN",
      "kind": "packaging"
    },
    {
      "mpn": "SN74HC125PWRNS",
      "kind": "packaging"
    },
    {
      "mpn": "SN74HC125PWRNSR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74HC125PWRJ",
      "kind": "packaging"
    },
    {
      "mpn": "SN74HC125PWRFK",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:58:48.754Z"
}