SN74AHC541DBR

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  "type": "component",
  "slug": "sn74ahc541dbr",
  "title": "SN74AHC541DBR",
  "brief": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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  "component": {
    "mpn": "SN74AHC541DBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74ahc541",
    "parts": {
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      "footprint": "sn74ahc541dbr.kicad_mod",
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      "model_3d_step": "sn74ahc541dbr-etched.step",
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      "lbr": "sn74ahc541dbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675762",
      "digikey": "296-4608-2-ND",
      "mouser": "595-SN74AHC541DBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T05:49:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-4608-2-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-SN74AHC541DBR",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "OE1",
        "type": "input",
        "description": "Output Enable 1 control input for tri-state buffers; input voltage 0 to 5.5V"
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "A1 data input for buffering and driving to corresponding output Y1; input voltage 0 to 5.5V"
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "A2 data input for buffering and driving to corresponding output Y2; input voltage 0 to 5.5V"
      },
      {
        "number": "4",
        "name": "A3",
        "type": "input",
        "description": "A3 data input for buffering and driving to corresponding output Y3; input voltage 0 to 5.5V"
      },
      {
        "number": "5",
        "name": "A4",
        "type": "input",
        "description": "A4 data input for buffering and driving to corresponding output Y4; input voltage 0 to 5.5V"
      },
      {
        "number": "6",
        "name": "A5",
        "type": "input",
        "description": "A5 data input for buffering and driving to corresponding output Y5; input voltage 0 to 5.5V"
      },
      {
        "number": "7",
        "name": "A6",
        "type": "input",
        "description": "A6 data input for buffering and driving to corresponding output Y6; input voltage 0 to 5.5V"
      },
      {
        "number": "8",
        "name": "A7",
        "type": "input",
        "description": "A7 data input for buffering and driving to corresponding output Y7; input voltage 0 to 5.5V"
      },
      {
        "number": "9",
        "name": "A8",
        "type": "input",
        "description": "A8 data input for buffering and driving to corresponding output Y8; input voltage 0 to 5.5V"
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin and return path for internal circuits, 0V reference"
      },
      {
        "number": "11",
        "name": "Y8",
        "type": "tri_state",
        "description": "Y8 tri-state buffered output driven from A8 input when enabled; output voltage 0 to VCC, ±25mA continuous"
      },
      {
        "number": "12",
        "name": "Y7",
        "type": "tri_state",
        "description": "Y7 tri-state buffered output driven from A7 input when enabled; output voltage 0 to VCC, ±25mA continuous"
      },
      {
        "number": "13",
        "name": "Y6",
        "type": "tri_state",
        "description": "Y6 tri-state buffered output driven from A6 input when enabled; output voltage 0 to VCC, ±25mA continuous"
      },
      {
        "number": "14",
        "name": "Y5",
        "type": "tri_state",
        "description": "Y5 tri-state buffered output driven from A5 input when enabled; output voltage 0 to VCC, ±25mA continuous"
      },
      {
        "number": "15",
        "name": "Y4",
        "type": "tri_state",
        "description": "Y4 tri-state buffered output driven from A4 input when enabled; output voltage 0 to VCC, ±25mA continuous"
      },
      {
        "number": "16",
        "name": "Y3",
        "type": "tri_state",
        "description": "Y3 tri-state buffered output driven from A3 input when enabled; output voltage 0 to VCC, ±25mA continuous"
      },
      {
        "number": "17",
        "name": "Y2",
        "type": "tri_state",
        "description": "Y2 tri-state buffered output driven from A2 input when enabled; output voltage 0 to VCC, ±25mA continuous"
      },
      {
        "number": "18",
        "name": "Y1",
        "type": "tri_state",
        "description": "Y1 tri-state buffered output driven from A1 input when enabled; output voltage 0 to VCC, ±25mA continuous"
      },
      {
        "number": "19",
        "name": "OE2",
        "type": "input",
        "description": "Output Enable 2 control input for tri-state buffers; input voltage 0 to 5.5V"
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply voltage input, operating range 2V to 5.5V"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 10,
        "cost_usd": 0.1179,
        "at": "2026-10-01T05:49:35"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74ahc541",
        "pages": 42,
        "sha256": "2bf701d65dda347a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SSOP-20-208mil",
      "Category": "Logic",
      "Pins": "20"
    }
  },
  "variants": [],
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  "discovery_pitch": "SN74AHC541DBR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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