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Ray Publish 0.1.0 d9d45ee 4d ago
{
  "slug": "mc74hct573adwg",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Latches, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "mc74hct573adwg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mc74hct573adwg.kicad_sym",
    "mc74hct573adwg.kicad_mod",
    "mc74hct573adwg.glb",
    "mc74hct573adwg.step",
    "mc74hct573adwg.lbr",
    "docs/hero.png",
    "docs/mc74hct573adwg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mc74hct573adwg-hero.glb",
    "mc74hct573adwg-hero.overlay.json",
    "mc74hct573adwg-etched.glb"
  ],
  "component": {
    "mpn": "MC74HCT573ADWG",
    "manufacturer": "onsemi",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Latches",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc74hct573adw-d.pdf",
    "parts": {
      "symbol": "mc74hct573adwg.kicad_sym",
      "footprint": "mc74hct573adwg.kicad_mod",
      "model_3d": "mc74hct573adwg-hero.glb",
      "model_3d_plain": "mc74hct573adwg-etched.glb",
      "model_3d_step": "mc74hct573adwg-etched.step",
      "model_3d_step_plain": "mc74hct573adwg.step",
      "lbr": "mc74hct573adwg.lbr"
    },
    "distributor_links": {
      "lcsc": "C146809",
      "digikey": "MC74HCT573ADWGOS-ND",
      "mouser": "863-MC74HCT573ADWG"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:54:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MC74HCT573ADWGOS-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "863-MC74HCT573ADWG",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUTPUT ENABLE",
        "type": "input",
        "description": "When Output Enable is high, all device outputs are forced to the high-impedance state, and it does not affect the latch contents."
      },
      {
        "number": "2",
        "name": "D0",
        "type": "input",
        "description": "Data input D0 to the octal latch, which must meet the setup and hold times relative to Latch Enable."
      },
      {
        "number": "3",
        "name": "D1",
        "type": "input",
        "description": "Data input D1 to the octal latch, which must meet the setup and hold times relative to Latch Enable."
      },
      {
        "number": "4",
        "name": "D2",
        "type": "input",
        "description": "Data input D2 to the octal latch, which must meet the setup and hold times relative to Latch Enable."
      },
      {
        "number": "5",
        "name": "D3",
        "type": "input",
        "description": "Data input D3 to the octal latch, which must meet the setup and hold times relative to Latch Enable."
      },
      {
        "number": "6",
        "name": "D4",
        "type": "input",
        "description": "Data input D4 to the octal latch, which must meet the setup and hold times relative to Latch Enable."
      },
      {
        "number": "7",
        "name": "D5",
        "type": "input",
        "description": "Data input D5 to the octal latch, which must meet the setup and hold times relative to Latch Enable."
      },
      {
        "number": "8",
        "name": "D6",
        "type": "input",
        "description": "Data input D6 to the octal latch, which must meet the setup and hold times relative to Latch Enable."
      },
      {
        "number": "9",
        "name": "D7",
        "type": "input",
        "description": "Data input D7 to the octal latch, which must meet the setup and hold times relative to Latch Enable."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; all voltages are referenced to this pin."
      },
      {
        "number": "11",
        "name": "LATCH ENABLE",
        "type": "input",
        "description": "While Latch Enable is high the latches are transparent to data, and data is latched when it goes low."
      },
      {
        "number": "12",
        "name": "Q7",
        "type": "tri_state",
        "description": "Noninverting three-state latch output Q7, which goes to high impedance when Output Enable is high."
      },
      {
        "number": "13",
        "name": "Q6",
        "type": "tri_state",
        "description": "Noninverting three-state latch output Q6, which goes to high impedance when Output Enable is high."
      },
      {
        "number": "14",
        "name": "Q5",
        "type": "tri_state",
        "description": "Noninverting three-state latch output Q5, which goes to high impedance when Output Enable is high."
      },
      {
        "number": "15",
        "name": "Q4",
        "type": "tri_state",
        "description": "Noninverting three-state latch output Q4, which goes to high impedance when Output Enable is high."
      },
      {
        "number": "16",
        "name": "Q3",
        "type": "tri_state",
        "description": "Noninverting three-state latch output Q3, which goes to high impedance when Output Enable is high."
      },
      {
        "number": "17",
        "name": "Q2",
        "type": "tri_state",
        "description": "Noninverting three-state latch output Q2, which goes to high impedance when Output Enable is high."
      },
      {
        "number": "18",
        "name": "Q1",
        "type": "tri_state",
        "description": "Noninverting three-state latch output Q1, which goes to high impedance when Output Enable is high."
      },
      {
        "number": "19",
        "name": "Q0",
        "type": "tri_state",
        "description": "Noninverting three-state latch output Q0, which goes to high impedance when Output Enable is high."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin, specified at 4.5 to 5.5 V DC referenced to GND."
      }
    ],
    "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: MC74HCT573ADWG is not listed in the ordering table, which shows MC74HCT573ADWR2G as the SOIC-20 part"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0209,
        "at": "2026-10-27T01:54:32"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc74hct573adw-d.pdf",
        "pages": 6,
        "sha256": "cdf07b1d5992d580",
        "source_tier": "mfr"
      },
      "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": "mc74hct573adwg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mc74hct573adwg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3bac1b6d917c06f6345b651d209c5335b99548cf0cdaf23321a44497643d1514",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}