HT8574ARSZ

{
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  "type": "component",
  "slug": "ht8574arsz",
  "title": "HT8574ARSZ",
  "brief": "HTCSEMI Pre-ordered Products, SSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "electronic tools-instruments-consumables",
    "ht8574arsz",
    "factory-2.0.0",
    "extractor-text"
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  "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",
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      "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."
      }
    ],
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.1279,
        "at": "2026-10-22T23:15:59"
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        "described": 16,
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  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "SSOP-16",
      "Category": "Electronic Tools/Instruments/Consumables",
      "Pins": "16"
    },
    "characteristics": {
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        {
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        {
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          "name": "HIGH level output current (I/Os)",
          "symbol": "IOH",
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        {
          "name": "Transient pull-up current",
          "symbol": "IOHt",
          "kind": "electrical",
          "unit": "mA",
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          "conditions": "HIGH during acknowledge (see Fig.15); VOH = VSS; VDD = 2.5 V",
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          "name": "Output data valid",
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          "conditions": "CL ≤ 100 pF",
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          "name": "LOW level output current (INT)",
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          "name": "Leakage current (INT)",
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        {
          "name": "Input data valid time",
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        {
          "name": "Reset delay time",
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        {
          "name": "Input leakage current (A0 to A2)",
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          "kind": "electrical",
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          "min": -250,
          "typ": null,
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          "conditions": "pin at VDD or VSS",
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        {
          "name": "Tolerable spike width on bus",
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        {
          "name": "Bus free time",
          "symbol": "tBUF",
          "kind": "timing",
          "unit": "µs",
          "min": 4.7,
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        },
        {
          "name": "START condition set-up time",
          "symbol": "tSU;STA",
          "kind": "timing",
          "unit": "µs",
          "min": 4.7,
          "typ": null,
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        {
          "name": "START condition hold time",
          "symbol": "tHD;STA",
          "kind": "timing",
          "unit": "µs",
          "min": 4,
          "typ": null,
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        {
          "name": "SCL LOW time",
          "symbol": "tLOW",
          "kind": "timing",
          "unit": "µs",
          "min": 4.7,
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        {
          "name": "SCL HIGH time",
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        {
          "name": "SCL and SDA rise time",
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          "name": "SCL and SDA fall time",
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        {
          "name": "Data set-up time",
          "symbol": "tSU;DAT",
          "kind": "timing",
          "unit": "ns",
          "min": 250,
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          "name": "Data hold time",
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          "name": "SCL LOW to data out valid",
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          "name": "STOP condition set-up time",
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          "name": "DC input current",
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