HT1232ARZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "ht1232arz",
  "title": "HT1232ARZ",
  "brief": "HTCSEMI Supervisor And Reset ICs, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "ht1232arz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HT1232ARZ",
    "manufacturer": "HTCSEMI",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945471758323712",
    "parts": {
      "symbol": "ht1232arz.kicad_sym",
      "footprint": "ht1232arz.kicad_mod",
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      "model_3d_step_plain": "ht1232arz.step",
      "lbr": "ht1232arz.lbr"
    },
    "distributor_links": {
      "lcsc": "C2886394"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:31:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PBRST",
        "type": "input",
        "description": "Debounced active-low pushbutton reset input that ignores pulses shorter than 1ms and is guaranteed to recognize inputs of 20ms or greater, with an internal pull-up to VCC so no external pull-up is needed."
      },
      {
        "number": "2",
        "name": "TD",
        "type": "input",
        "description": "Time-delay (watchdog timebase) select input: tTD = 150ms with TD at 0V, 600ms with TD open, and 1.2s with TD at VCC."
      },
      {
        "number": "3",
        "name": "TOL",
        "type": "input",
        "description": "Tolerance select input: connect to GND for 5% supply tolerance (VCC trip point 4.50V to 4.74V) or to VCC for 10% tolerance (4.25V to 4.49V)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltages are referenced to GND."
      },
      {
        "number": "5",
        "name": "RST",
        "type": "output",
        "description": "Active-high reset output that goes active when VCC falls below the selected reset threshold, when PBRST is forced low, when ST is not strobed within the minimum timeout period, and during power-up."
      },
      {
        "number": "6",
        "name": "RST",
        "type": "output",
        "description": "Active-low reset output implemented as an open-drain MOSFET that sinks current only and must be pulled high externally."
      },
      {
        "number": "7",
        "name": "ST",
        "type": "input",
        "description": "Watchdog strobe input that must toggle (falling edges only, minimum pulse width 75ns) within the selected timeout period to prevent a watchdog reset."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "+5V power supply input; the recommended DC operating range is 4.5V to 5.5V."
      }
    ],
    "provenance": {
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The extracted text dropped the overbars on the RST and RST signal names. Pin 5 is described as activ; The datasheet gives two different figures for the PBRST pull-up: note 1 says about 40kΩ, and the det; The 'Pin Description' table in the source is split across pages. Pin numbers and descriptions were m"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0345,
        "at": "2026-10-18T07:28:24"
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        "pages": 8,
        "sha256": "039de738dd77f743",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "checked": "2026-10-18",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "SO-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "039de738dd77f743a1b6f3ce4246278c7c997772b85c0eed9f67086d2968571c",
      "rows": [
        {
          "name": "Voltage Range on Any Pin (with respect to GND)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": 7,
          "conditions": "with respect to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
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          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "C Suffix",
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        },
        {
          "name": "Storage Temperature Range",
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          "min": -65,
          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "soldering, 10s",
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        },
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": 5,
          "max": 5.5,
          "conditions": "TA = TMIN to TMAX, unless otherwise noted",
          "source_page": 2,
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        },
        {
          "name": "ST and PBRST Input High Level",
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          "kind": "recommended_operating",
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        },
        {
          "name": "ST and PBRST Input Low Level",
          "symbol": "VIL",
          "kind": "recommended_operating",
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          "min": -0.3,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage ST, TOL",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VCC = +4.5V to +5.5V, TA = TMIN to TMAX",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Current RST",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "mA",
          "min": -1,
          "typ": null,
          "max": -12,
          "conditions": "VOH = 2.4V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Current RST, RST",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 2,
          "typ": null,
          "max": 10,
          "conditions": "VOL = 0.4V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 50,
          "max": 200,
          "conditions": "Note 2: measured with outputs open",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VCC 5% Trip Point",
          "symbol": "VCCTP",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": 4.62,
          "max": 4.74,
          "conditions": "TOL = GND; Note 3",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VCC 10% Trip Point",
          "symbol": "VCCTP",
          "kind": "electrical",
          "unit": "V",
          "min": 4.25,
          "typ": 4.37,
          "max": 4.49,
          "conditions": "TOL = VCC; Note 3",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "PBRST",
          "symbol": "tPB",
          "kind": "timing",
          "unit": "ms",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "Figure 3; Note 5",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PBRST Delay",
          "symbol": "tPBD",
          "kind": "timing",
          "unit": "ms",
          "min": 1,
          "typ": 4,
          "max": 20,
          "conditions": "Figure 3",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reset Active Time",
          "symbol": "tRST",
          "kind": "timing",
          "unit": "ms",
          "min": 250,
          "typ": 610,
          "max": 1000,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ST Pulse Width",
          "symbol": "tST",
          "kind": "timing",
          "unit": "ns",
          "min": 75,
          "typ": null,
          "max": null,
          "conditions": "Figure 4",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ST Timeout Period",
          "symbol": "tTD",
          "kind": "timing",
          "unit": "ms",
          "min": 62.5,
          "typ": 150,
          "max": 250,
          "conditions": "Figure 4, TD pin = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ST Timeout Period",
          "symbol": "tTD",
          "kind": "timing",
          "unit": "ms",
          "min": 250,
          "typ": 600,
          "max": 1000,
          "conditions": "Figure 4, TD pin = open",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ST Timeout Period",
          "symbol": "tTD",
          "kind": "timing",
          "unit": "ms",
          "min": 500,
          "typ": 1200,
          "max": 2000,
          "conditions": "Figure 4, TD pin = VCC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC Fall Time",
          "symbol": "tF",
          "kind": "timing",
          "unit": "µs",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "Figure 5; Note 4: guaranteed by design",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC Rise Time",
          "symbol": "tB",
          "kind": "timing",
          "unit": "µs",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Figure 6; Note 4: guaranteed by design",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC Detect to RST High and RST Low",
          "symbol": "tBPD",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Figure 7, VCC falling",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC Detect to RST Low and RST Open",
          "symbol": "tBPU",
          "kind": "timing",
          "unit": "ms",
          "min": 250,
          "typ": 610,
          "max": 1000,
          "conditions": "Figure 8, VCC rising; Note 6: tR = 5µs",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance ST, TOL",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "TA = +25°C; Note 4",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance RST, RST",
          "symbol": "COUT",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "TA = +25°C; Note 4",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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