SN74LVC2244ADBQR

{
  "slug": "sn74lvc2244adbqr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Logic ICs, SSOP-20-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "sn74lvc2244adbqr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "README.md",
    "sn74lvc2244adbqr.kicad_sym",
    "sn74lvc2244adbqr.kicad_mod",
    "sn74lvc2244adbqr.glb",
    "sn74lvc2244adbqr.step",
    "sn74lvc2244adbqr.lbr",
    "docs/hero.png",
    "docs/sn74lvc2244adbqr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74lvc2244adbqr-hero.glb",
    "sn74lvc2244adbqr-hero.overlay.json",
    "sn74lvc2244adbqr-etched.glb"
  ],
  "component": {
    "mpn": "SN74LVC2244ADBQR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-20-150mil",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Logic ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74lvc2244a.pdf",
    "parts": {
      "symbol": "sn74lvc2244adbqr.kicad_sym",
      "footprint": "sn74lvc2244adbqr.kicad_mod",
      "model_3d": "sn74lvc2244adbqr-hero.glb",
      "model_3d_plain": "sn74lvc2244adbqr-etched.glb",
      "model_3d_step": "sn74lvc2244adbqr-etched.step",
      "model_3d_step_plain": "sn74lvc2244adbqr.step",
      "lbr": "sn74lvc2244adbqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675765",
      "digikey": "296-SN74LVC2244ADBQRTR-ND",
      "mouser": "595-SN74LVC2244ADBQR"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T17:05:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-SN74LVC2244ADBQRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74LVC2244ADBQR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Output Enable 1 for the first buffer section (1A1-1A4 to 1Y1-1Y4); the datasheet pin table does not state the active level."
      },
      {
        "number": "2",
        "name": "1A1",
        "type": "input",
        "description": "Data input 1A1 of the first buffer section; inputs accept voltages up to 5.5 V."
      },
      {
        "number": "3",
        "name": "2Y4",
        "type": "output",
        "description": "Output 2Y4 of the second buffer section; outputs have an equivalent 26-Ω series resistor so no external resistor is required."
      },
      {
        "number": "4",
        "name": "1A2",
        "type": "input",
        "description": "Data input 1A2 of the first buffer section; inputs accept voltages up to 5.5 V."
      },
      {
        "number": "5",
        "name": "2Y3",
        "type": "output",
        "description": "Output 2Y3 of the second buffer section; outputs have an equivalent 26-Ω series resistor so no external resistor is required."
      },
      {
        "number": "6",
        "name": "1A3",
        "type": "input",
        "description": "Data input 1A3 of the first buffer section; inputs accept voltages up to 5.5 V."
      },
      {
        "number": "7",
        "name": "2Y2",
        "type": "output",
        "description": "Output 2Y2 of the second buffer section; outputs have an equivalent 26-Ω series resistor so no external resistor is required."
      },
      {
        "number": "8",
        "name": "1A4",
        "type": "input",
        "description": "Data input 1A4 of the first buffer section; inputs accept voltages up to 5.5 V."
      },
      {
        "number": "9",
        "name": "2Y1",
        "type": "output",
        "description": "Output 2Y1 of the second buffer section; outputs have an equivalent 26-Ω series resistor so no external resistor is required."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "11",
        "name": "2A1",
        "type": "input",
        "description": "Data input 2A1 of the second buffer section; inputs accept voltages up to 5.5 V."
      },
      {
        "number": "12",
        "name": "1Y4",
        "type": "output",
        "description": "Output 1Y4 of the first buffer section; outputs have an equivalent 26-Ω series resistor so no external resistor is required."
      },
      {
        "number": "13",
        "name": "2A2",
        "type": "input",
        "description": "Data input 2A2 of the second buffer section; inputs accept voltages up to 5.5 V."
      },
      {
        "number": "14",
        "name": "1Y3",
        "type": "output",
        "description": "Output 1Y3 of the first buffer section; outputs have an equivalent 26-Ω series resistor so no external resistor is required."
      },
      {
        "number": "15",
        "name": "2A3",
        "type": "input",
        "description": "Data input 2A3 of the second buffer section; inputs accept voltages up to 5.5 V."
      },
      {
        "number": "16",
        "name": "1Y2",
        "type": "output",
        "description": "Output 1Y2 of the first buffer section; outputs have an equivalent 26-Ω series resistor so no external resistor is required."
      },
      {
        "number": "17",
        "name": "2A4",
        "type": "input",
        "description": "Data input 2A4 of the second buffer section; inputs accept voltages up to 5.5 V."
      },
      {
        "number": "18",
        "name": "1Y1",
        "type": "output",
        "description": "Output 1Y1 of the first buffer section; outputs have an equivalent 26-Ω series resistor so no external resistor is required."
      },
      {
        "number": "19",
        "name": "2OE",
        "type": "input",
        "description": "Output Enable 2 for the second buffer section (2A1-2A4 to 2Y1-2Y4); the datasheet pin table does not state the active level."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 1.65 V to 3.6 V VCC."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's pin configuration figure and pin function table are shared by all package options (D; The datasheet gives no active level for the output enable pins 1OE and 2OE. Confirm polarity in the "
        ],
        "pages_sent": 8,
        "cost_usd": 0.0509,
        "at": "2026-10-29T17:05:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74lvc2244a.pdf",
        "pages": 30,
        "sha256": "5ef8b4b7332c1b8f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.2,
          8.7,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f13262fece140c790280c9485c12f75a61c8e197e678764713ee7191b95d1eec",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74lvc2244adbqr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "57edd56bcaa1ca24396d5e2230f937f234436adbf28abfdbdd62c31a311de39a",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ],
    "package_dims": {
      "package_code": "DBQ",
      "E1": {
        "nom_mm": 3.9,
        "range_mm": null
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": null
      },
      "e": {
        "nom_mm": 0.635,
        "range_mm": null
      },
      "source": "TI package designator DBQ (no drawing in the datasheet)",
      "model_check": {
        "file": "sn74lvc2244adbqr.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}