main
Ray Publish 0.1.0 c1d17ab 6d ago
{
  "slug": "aip74hc373sa20-tr",
  "version": "0.1.0",
  "type": "component",
  "description": "Wuxi I-core Elec Latches, SOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "aip74hc373sa20.tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "aip74hc373sa20-tr.kicad_sym",
    "aip74hc373sa20-tr.kicad_mod",
    "aip74hc373sa20-tr.glb",
    "aip74hc373sa20-tr.step",
    "aip74hc373sa20-tr.lbr",
    "docs/hero.png",
    "docs/aip74hc373sa20-tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "aip74hc373sa20-tr-hero.glb",
    "aip74hc373sa20-tr-hero.overlay.json",
    "aip74hc373sa20-tr-etched.glb"
  ],
  "component": {
    "mpn": "AiP74HC373SA20.TR",
    "manufacturer": "Wuxi I-core Elec",
    "package": "SOP-20",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Latches",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fd498be87d07c34e8ec662534c6ca339.pdf",
    "parts": {
      "symbol": "aip74hc373sa20-tr.kicad_sym",
      "footprint": "aip74hc373sa20-tr.kicad_mod",
      "model_3d": "aip74hc373sa20-tr-hero.glb",
      "model_3d_plain": "aip74hc373sa20-tr-etched.glb",
      "model_3d_step": "aip74hc373sa20-tr-etched.step",
      "model_3d_step_plain": "aip74hc373sa20-tr.step",
      "lbr": "aip74hc373sa20-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5162253"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T02:57:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Active-low three-state output enable; a high level forces Q0 to Q7 into high-impedance and does not change the latch contents."
      },
      {
        "number": "2",
        "name": "Q0",
        "type": "tri_state",
        "description": "Three-state latch output 0, which goes high-impedance when OE̅ is high."
      },
      {
        "number": "3",
        "name": "D0",
        "type": "input",
        "description": "Data input 0 to the latch, which is transparent while LE is high."
      },
      {
        "number": "4",
        "name": "D1",
        "type": "input",
        "description": "Data input 1 to the latch, which is transparent while LE is high."
      },
      {
        "number": "5",
        "name": "Q1",
        "type": "tri_state",
        "description": "Three-state latch output 1, which goes high-impedance when OE̅ is high."
      },
      {
        "number": "6",
        "name": "Q2",
        "type": "tri_state",
        "description": "Three-state latch output 2, which goes high-impedance when OE̅ is high."
      },
      {
        "number": "7",
        "name": "D2",
        "type": "input",
        "description": "Data input 2 to the latch, which is transparent while LE is high."
      },
      {
        "number": "8",
        "name": "D3",
        "type": "input",
        "description": "Data input 3 to the latch, which is transparent while LE is high."
      },
      {
        "number": "9",
        "name": "Q3",
        "type": "tri_state",
        "description": "Three-state latch output 3, which goes high-impedance when OE̅ is high."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V)."
      },
      {
        "number": "11",
        "name": "LE",
        "type": "input",
        "description": "Active-high latch enable; the latch is transparent while LE is high and stores the data present before the falling edge of LE."
      },
      {
        "number": "12",
        "name": "Q4",
        "type": "tri_state",
        "description": "Three-state latch output 4, which goes high-impedance when OE̅ is high."
      },
      {
        "number": "13",
        "name": "D4",
        "type": "input",
        "description": "Data input 4 to the latch, which is transparent while LE is high."
      },
      {
        "number": "14",
        "name": "D5",
        "type": "input",
        "description": "Data input 5 to the latch, which is transparent while LE is high."
      },
      {
        "number": "15",
        "name": "Q5",
        "type": "tri_state",
        "description": "Three-state latch output 5, which goes high-impedance when OE̅ is high."
      },
      {
        "number": "16",
        "name": "Q6",
        "type": "tri_state",
        "description": "Three-state latch output 6, which goes high-impedance when OE̅ is high."
      },
      {
        "number": "17",
        "name": "D6",
        "type": "input",
        "description": "Data input 6 to the latch, which is transparent while LE is high."
      },
      {
        "number": "18",
        "name": "D7",
        "type": "input",
        "description": "Data input 7 to the latch, which is transparent while LE is high."
      },
      {
        "number": "19",
        "name": "Q7",
        "type": "tri_state",
        "description": "Three-state latch output 7, which goes high-impedance when OE̅ is high."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply; the AiP74HC373 recommended range is 2.0 V to 6.0 V (typ. 5.0 V)."
      }
    ],
    "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 pin-arrangement diagram on page 7 is scrambled in the text extraction, so pin numbers were taken; The SOP20 variant is ordered as AiP74HC373SA20.TR (page 5). The same pinout applies to the HCT versi"
        ],
        "pages_sent": 23,
        "cost_usd": 0.0849,
        "at": "2026-11-05T02:57:23"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fd498be87d07c34e8ec662534c6ca339.pdf",
        "pages": 23,
        "sha256": "678112c9d6effdf7",
        "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"
    },
    "models_3d": [
      {
        "file": "aip74hc373sa20-tr.step",
        "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": "3617bada2711828e52c92051deb59af32c19afbba4d3b21ace9ef7f81665d3fb",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "aip74hc373sa20-tr-etched.step",
        "role": "eda",
        "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": "8abd977f917d41e1882caab8f1d63bbce2d7b5af5e435fdfa4a8de0f45e0f279",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOP20",
      "source_page": 21,
      "D": {
        "nom_mm": 12.74,
        "range_mm": [
          12.54,
          12.94
        ]
      },
      "E1": {
        "nom_mm": 7.5,
        "range_mm": [
          7.3,
          7.7
        ]
      },
      "E": {
        "nom_mm": 10.3,
        "range_mm": [
          10.0,
          10.6
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 2.56,
        "range_mm": [
          2.47,
          2.65
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "aip74hc373sa20-tr.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}