HT8574ARSZ

{
  "slug": "ht8574arsz",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI Pre-ordered Products, SSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "electronic tools-instruments-consumables",
    "ht8574arsz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht8574arsz.kicad_sym",
    "ht8574arsz.kicad_mod",
    "ht8574arsz.glb",
    "ht8574arsz.step",
    "ht8574arsz.lbr",
    "docs/hero.png",
    "docs/ht8574arsz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht8574arsz-hero.glb",
    "ht8574arsz-hero.overlay.json",
    "ht8574arsz-etched.glb"
  ],
  "component": {
    "mpn": "HT8574ARSZ",
    "manufacturer": "HTCSEMI",
    "package": "SSOP-16",
    "pin_count": 16,
    "category": "Electronic Tools/Instruments/Consumables",
    "subcategory": "Pre-ordered Products",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3ff3d99bf9d87a4897148de95f79c7c7.pdf",
    "parts": {
      "symbol": "ht8574arsz.kicad_sym",
      "footprint": "ht8574arsz.kicad_mod",
      "model_3d": "ht8574arsz-hero.glb",
      "model_3d_plain": "ht8574arsz-etched.glb",
      "model_3d_step": "ht8574arsz-etched.step",
      "model_3d_step_plain": "ht8574arsz.step",
      "lbr": "ht8574arsz.lbr"
    },
    "distributor_links": {
      "lcsc": "C2928832"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:16:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 579 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Address input 0, hardware address pin with input leakage of ±250 nA max and VIH of 0.7VDD min."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Address input 1, hardware address pin with input leakage of ±250 nA max and VIH of 0.7VDD min."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Address input 2, hardware address pin with input leakage of ±250 nA max and VIH of 0.7VDD min."
      },
      {
        "number": "4",
        "name": "P0",
        "type": "bidirectional",
        "description": "Quasi-bidirectional I/O 0, HIGH at power-on, usable as input or output without a direction control signal."
      },
      {
        "number": "5",
        "name": "P1",
        "type": "bidirectional",
        "description": "Quasi-bidirectional I/O 1, HIGH at power-on, usable as input or output without a direction control signal."
      },
      {
        "number": "6",
        "name": "P2",
        "type": "bidirectional",
        "description": "Quasi-bidirectional I/O 2, HIGH at power-on, usable as input or output without a direction control signal."
      },
      {
        "number": "7",
        "name": "P3",
        "type": "bidirectional",
        "description": "Quasi-bidirectional I/O 3, HIGH at power-on, usable as input or output without a direction control signal."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Supply ground (0 V)."
      },
      {
        "number": "9",
        "name": "P4",
        "type": "bidirectional",
        "description": "Quasi-bidirectional I/O 4, HIGH at power-on, usable as input or output without a direction control signal."
      },
      {
        "number": "10",
        "name": "P5",
        "type": "bidirectional",
        "description": "Quasi-bidirectional I/O 5, HIGH at power-on, usable as input or output without a direction control signal."
      },
      {
        "number": "11",
        "name": "P6",
        "type": "bidirectional",
        "description": "Quasi-bidirectional I/O 6, HIGH at power-on, usable as input or output without a direction control signal."
      },
      {
        "number": "12",
        "name": "P7",
        "type": "bidirectional",
        "description": "Quasi-bidirectional I/O 7, HIGH at power-on, usable as input or output without a direction control signal."
      },
      {
        "number": "13",
        "name": "INT",
        "type": "output",
        "description": "Open-drain active-LOW interrupt output, sinks 1.6 mA min at VOL = 0.4 V."
      },
      {
        "number": "14",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock line of the I2C-bus, up to 100 kHz, needs a pull-up resistor to the positive supply."
      },
      {
        "number": "15",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data line of the I2C-bus, open-drain with 3 mA min sink at VOL = 0.4 V, needs a pull-up resistor."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage, 2.5 to 6 V operating range."
      }
    ],
    "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 SSOP16 mechanical outline drawing (page 17) has no text. The ordering table also says '20 leads'; The datasheet lists no pin types. The types are inferred from the descriptions: SDA is bidirectional"
        ],
        "pages_sent": 20,
        "cost_usd": 0.1279,
        "at": "2026-10-22T23:15:59"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3ff3d99bf9d87a4897148de95f79c7c7.pdf",
        "pages": 20,
        "sha256": "69724f7996dc35d5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ht8574arsz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d0e11e46aeca5dbaa5c4bb538f3f4899761267cabdeba6486325ae9e979c03ef",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht8574arsz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "26d107a8642e6192668722ea32d0c82bd71ff8c26ec67a94c3730a69fd9299a1",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}