AIP74HCT244SA.TB

{
  "slug": "aip74hct244sa-tb",
  "version": "0.1.0",
  "type": "component",
  "description": "Wuxi I-core Elec Buffer/Driver/Transceiver, SOP-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "aip74hct244sa.tb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "aip74hct244sa-tb.kicad_sym",
    "aip74hct244sa-tb.kicad_mod",
    "aip74hct244sa-tb.glb",
    "aip74hct244sa-tb.step",
    "aip74hct244sa-tb.lbr",
    "docs/hero.png",
    "docs/aip74hct244sa-tb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "aip74hct244sa-tb-hero.glb",
    "aip74hct244sa-tb-hero.overlay.json",
    "aip74hct244sa-tb-etched.glb"
  ],
  "component": {
    "mpn": "AIP74HCT244SA.TB",
    "manufacturer": "Wuxi I-core Elec",
    "package": "SOP-20-300mil",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Buffer/Driver/Transceiver",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/83146a3fea570614099fedfc4872f20f.pdf",
    "parts": {
      "symbol": "aip74hct244sa-tb.kicad_sym",
      "footprint": "aip74hct244sa-tb.kicad_mod",
      "model_3d": "aip74hct244sa-tb-hero.glb",
      "model_3d_plain": "aip74hct244sa-tb-etched.glb",
      "model_3d_step": "aip74hct244sa-tb-etched.step",
      "model_3d_step_plain": "aip74hct244sa-tb.step",
      "lbr": "aip74hct244sa-tb.lbr"
    },
    "distributor_links": {
      "lcsc": "C2943303"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:31:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Active-LOW output enable input for the 1Y0-1Y3 outputs; a HIGH puts them in high-impedance OFF-state."
      },
      {
        "number": "2",
        "name": "1A0",
        "type": "input",
        "description": "Data input 0 of the first 4-bit buffer, with TTL-level thresholds on the HCT244 (VIH 2.0 V min, VIL 0.8 V max)."
      },
      {
        "number": "3",
        "name": "2Y0",
        "type": "tri_state",
        "description": "3-state bus output 0 of the second 4-bit buffer, high-impedance when 2OE is HIGH."
      },
      {
        "number": "4",
        "name": "1A1",
        "type": "input",
        "description": "Data input 1 of the first 4-bit buffer, with TTL-level thresholds on the HCT244."
      },
      {
        "number": "5",
        "name": "2Y1",
        "type": "tri_state",
        "description": "3-state bus output 1 of the second 4-bit buffer, high-impedance when 2OE is HIGH."
      },
      {
        "number": "6",
        "name": "1A2",
        "type": "input",
        "description": "Data input 2 of the first 4-bit buffer, with TTL-level thresholds on the HCT244."
      },
      {
        "number": "7",
        "name": "2Y2",
        "type": "tri_state",
        "description": "3-state bus output 2 of the second 4-bit buffer, high-impedance when 2OE is HIGH."
      },
      {
        "number": "8",
        "name": "1A3",
        "type": "input",
        "description": "Data input 3 of the first 4-bit buffer, with TTL-level thresholds on the HCT244."
      },
      {
        "number": "9",
        "name": "2Y3",
        "type": "tri_state",
        "description": "3-state bus output 3 of the second 4-bit buffer, high-impedance when 2OE is HIGH."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V)."
      },
      {
        "number": "11",
        "name": "2A3",
        "type": "input",
        "description": "Data input 3 of the second 4-bit buffer, with TTL-level thresholds on the HCT244."
      },
      {
        "number": "12",
        "name": "1Y3",
        "type": "tri_state",
        "description": "3-state bus output 3 of the first 4-bit buffer, high-impedance when 1OE is HIGH."
      },
      {
        "number": "13",
        "name": "2A2",
        "type": "input",
        "description": "Data input 2 of the second 4-bit buffer, with TTL-level thresholds on the HCT244."
      },
      {
        "number": "14",
        "name": "1Y2",
        "type": "tri_state",
        "description": "3-state bus output 2 of the first 4-bit buffer, high-impedance when 1OE is HIGH."
      },
      {
        "number": "15",
        "name": "2A1",
        "type": "input",
        "description": "Data input 1 of the second 4-bit buffer, with TTL-level thresholds on the HCT244."
      },
      {
        "number": "16",
        "name": "1Y1",
        "type": "tri_state",
        "description": "3-state bus output 1 of the first 4-bit buffer, high-impedance when 1OE is HIGH."
      },
      {
        "number": "17",
        "name": "2A0",
        "type": "input",
        "description": "Data input 0 of the second 4-bit buffer, with TTL-level thresholds on the HCT244."
      },
      {
        "number": "18",
        "name": "1Y0",
        "type": "tri_state",
        "description": "3-state bus output 0 of the first 4-bit buffer, high-impedance when 1OE is HIGH."
      },
      {
        "number": "19",
        "name": "2OE",
        "type": "input",
        "description": "Active-LOW output enable input for the 2Y0-2Y3 outputs; a HIGH puts them in high-impedance OFF-state."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 4.5 V to 5.5 V recommended for AiP74HCT244 (absolute maximum -0.5 V to +7.0 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table on page 5 is a single list for all packages (DIP20/SOP20/TSSOP20). The pin configurati"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1236,
        "at": "2026-10-23T12:30:49"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/83146a3fea570614099fedfc4872f20f.pdf",
        "pages": 16,
        "sha256": "06f00ce8e30be55b",
        "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.26,
          12.8,
          2.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "87faa83d2fb0e86a2a3005a99b95e9b3bc7ca1b893768200f7ecc330baff49cd",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "aip74hct244sa-tb-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
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        "sha256": "13e52d08c5feb4e7c7c9cde22f85a337f6564d9f72f47c41ede4f8357c977380",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}