HT8232RSZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "ht8232rsz",
  "title": "HT8232RSZ",
  "brief": "HTCSEMI USB Converters, SSOP-28-208mil. 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",
    "interface",
    "ht8232rsz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HT8232RSZ",
    "manufacturer": "HTCSEMI",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588920828063203328",
    "parts": {
      "symbol": "ht8232rsz.kicad_sym",
      "footprint": "ht8232rsz.kicad_mod",
      "model_3d": "ht8232rsz-hero.glb",
      "model_3d_plain": "ht8232rsz-etched.glb",
      "model_3d_step": "ht8232rsz-etched.step",
      "model_3d_step_plain": "ht8232rsz.step",
      "lbr": "ht8232rsz.lbr"
    },
    "distributor_links": {
      "lcsc": "C2912226"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:38:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TXD",
        "type": "output",
        "description": "Transmit asynchronous data output of the UART interface."
      },
      {
        "number": "2",
        "name": "DTR#",
        "type": "output",
        "description": "Data Terminal Ready control output and handshake signal."
      },
      {
        "number": "3",
        "name": "RTS#",
        "type": "output",
        "description": "Request To Send control output and handshake signal."
      },
      {
        "number": "4",
        "name": "VCCIO",
        "type": "power_in",
        "description": "Supply of +1.8V to +5.25V for the UART interface and CBUS group pins; connect to 3V3OUT for 3.3V drive, to VCC for 5V CMOS drive, or to an external 1.8V to 2.8V supply for lower output levels."
      },
      {
        "number": "5",
        "name": "RXD",
        "type": "input",
        "description": "Receive asynchronous data input of the UART interface."
      },
      {
        "number": "6",
        "name": "RI#",
        "type": "input",
        "description": "Ring Indicator control input; when remote wake-up is enabled in the internal EEPROM, taking RI# low resumes the PC USB host controller from suspend."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground supply pin."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "9",
        "name": "DSR#",
        "type": "input",
        "description": "Data Set Ready control input and handshake signal."
      },
      {
        "number": "10",
        "name": "DCD#",
        "type": "input",
        "description": "Data Carrier Detect control input."
      },
      {
        "number": "11",
        "name": "CTS#",
        "type": "input",
        "description": "Clear to Send control input and handshake signal."
      },
      {
        "number": "12",
        "name": "CBUS4",
        "type": "bidirectional",
        "description": "Configurable CBUS I/O pin whose function is set in the internal EEPROM; factory default is SLEEP#."
      },
      {
        "number": "13",
        "name": "CBUS2",
        "type": "bidirectional",
        "description": "Configurable CBUS I/O pin whose function is set in the internal EEPROM; factory default is TXDEN."
      },
      {
        "number": "14",
        "name": "CBUS3",
        "type": "bidirectional",
        "description": "Configurable CBUS I/O pin whose function is set in the internal EEPROM; factory default is PWREN#."
      },
      {
        "number": "15",
        "name": "USBDP",
        "type": "bidirectional",
        "description": "USB Data Signal Plus, incorporating an internal series resistor and a 1.5kΩ pull-up resistor to 3.3V."
      },
      {
        "number": "16",
        "name": "USBDM",
        "type": "bidirectional",
        "description": "USB Data Signal Minus, incorporating an internal series resistor."
      },
      {
        "number": "17",
        "name": "3V3OUT",
        "type": "power_out",
        "description": "3.3V output from the integrated LDO regulator that should be decoupled to ground with 100nF; up to 50mA can be drawn to power external logic."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground supply pin."
      },
      {
        "number": "19",
        "name": "RESET#",
        "type": "input",
        "description": "Can be driven by an external device to reset the HT8232R; if not required it can be left unconnected or pulled up to VCCIO."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3V to 5.25V supply to the device core."
      },
      {
        "number": "21",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground supply pin."
      },
      {
        "number": "22",
        "name": "CBUS1",
        "type": "bidirectional",
        "description": "Configurable CBUS I/O pin whose function is set in the internal EEPROM; factory default is RXLED#."
      },
      {
        "number": "23",
        "name": "CBUS0",
        "type": "bidirectional",
        "description": "Configurable CBUS I/O pin whose function is set in the internal EEPROM; factory default is TXLED#."
      },
      {
        "number": "24",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "25",
        "name": "AGND",
        "type": "power_in",
        "description": "Device analog ground supply for the internal clock multiplier."
      },
      {
        "number": "26",
        "name": "TEST",
        "type": "input",
        "description": "Puts the device into IC test mode and must be tied to GND for normal operation."
      },
      {
        "number": "27",
        "name": "OSCI",
        "type": "input",
        "description": "Input to the 12MHz oscillator cell; optional and can be left unconnected for normal operation."
      },
      {
        "number": "28",
        "name": "OSCO",
        "type": "output",
        "description": "Output from the 12MHz oscillator cell; optional and can be left unconnected for normal operation when the internal oscillator is used."
      }
    ],
    "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 MPN suffix 'RSZ' is not mentioned anywhere in the supplied text, so the datasheet does not confi; The '208mil' body width in the package hint does not appear in the datasheet text. The text only say; The SSOP28 pin diagram on page 5 is scrambled in text extraction, so pin numbers were taken from the"
        ],
        "pages_sent": 12,
        "cost_usd": 0.073,
        "at": "2026-10-18T07:36:31"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588920828063203328",
        "pages": 24,
        "sha256": "d860d0a63dee4a37",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ht8232rsz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht8232rsz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7116482e841bef52c477bb200e238d96560cd6bad920e9f5fb30026adec606dc",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "SSOP-28-208mil",
      "Category": "Interface",
      "Pins": "28"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d860d0a63dee4a375362ab317b6a8b8c3dea0a50f924da078caadce596c58e89",
      "rows": [
        {
          "name": "Vcc Supply Voltage",
          "symbol": "Vcc",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "",
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          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Vcc = 5.25V",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature (Power Applied)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "D.C. Input Voltage - USBDP and USBDM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
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          "source": "datasheet"
        },
        {
          "name": "D.C. Input Voltage - High Impedance Bidirectionals",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
          "max": null,
          "conditions": "Printed max is +(Vcc +0.5) V; not numeric",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "D.C. Input Voltage - All other Inputs",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Printed max is +(Vcc +0.5) V; not numeric",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "D.C. Output Current - Outputs",
          "symbol": "",
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          "unit": "mA",
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          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "DC Output Current - Low Impedance Bidirectionals",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
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        },
        {
          "name": "VCC Operating Supply Voltage",
          "symbol": "Vcc1",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.3,
          "typ": null,
          "max": 5.25,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "VCCIO Operating Supply Voltage",
          "symbol": "Vcc2",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.25,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Current",
          "symbol": "Icc2",
          "kind": "electrical",
          "unit": "μA",
          "min": 50,
          "typ": 70,
          "max": 100,
          "conditions": "USB Suspend",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage High",
          "symbol": "Voh",
          "kind": "electrical",
          "unit": "V",
          "min": 3.2,
          "typ": 4.1,
          "max": 4.9,
          "conditions": "VCCIO = 5.0V, Standard Drive Level; I source = 2mA",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Low",
          "symbol": "Vol",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": 0.4,
          "max": 0.6,
          "conditions": "VCCIO = 5.0V, Standard Drive Level; I sink = 2mA",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Input Switching Threshold",
          "symbol": "Vin",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": 1.6,
          "max": 1.9,
          "conditions": "VCCIO = 5.0V, Standard Drive Level; ** (internal 200kΩ pull-up to VCCIO)",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Input Switching Hysteresis",
          "symbol": "VHys",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": 55,
          "max": 60,
          "conditions": "VCCIO = 5.0V, Standard Drive Level; ** (internal 200kΩ pull-up to VCCIO)",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage High",
          "symbol": "Voh",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 2.7,
          "max": 3.2,
          "conditions": "VCCIO = 3.3V, Standard Drive Level; I source = 1mA",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Low",
          "symbol": "Vol",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": 0.4,
          "max": 0.5,
          "conditions": "VCCIO = 3.3V, Standard Drive Level; I sink = 2mA",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Input Switching Threshold",
          "symbol": "Vin",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.2,
          "max": 1.5,
          "conditions": "VCCIO = 3.3V, Standard Drive Level; ** (internal 200kΩ pull-up to VCCIO)",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Input Switching Hysteresis",
          "symbol": "VHys",
          "kind": "electrical",
          "unit": "mV",
          "min": 20,
          "typ": 25,
          "max": 30,
          "conditions": "VCCIO = 3.3V, Standard Drive Level; ** (internal 200kΩ pull-up to VCCIO)",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage High",
          "symbol": "Voh",
          "kind": "electrical",
          "unit": "V",
          "min": 2.1,
          "typ": 2.6,
          "max": 3.1,
          "conditions": "VCCIO = 2.8V, Standard Drive Level; I source = 1mA",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Low",
          "symbol": "Vol",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": 0.4,
          "max": 0.5,
          "conditions": "VCCIO = 2.8V, Standard Drive Level; I sink = 2mA",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Input Switching Threshold",
          "symbol": "Vin",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.2,
          "max": 1.5,
          "conditions": "VCCIO = 2.8V, Standard Drive Level; ** (internal 200kΩ pull-up to VCCIO)",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Input Switching Hysteresis",
          "symbol": "VHys",
          "kind": "electrical",
          "unit": "mV",
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          "typ": 25,
          "max": 30,
          "conditions": "VCCIO = 2.8V, Standard Drive Level; ** (internal 200kΩ pull-up to VCCIO)",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage High",
          "symbol": "Voh",
          "kind": "electrical",
          "unit": "V",
          "min": 3.2,
          "typ": 4.1,
          "max": 4.9,
          "conditions": "VCCIO = 5.0V, High Drive Level; I source = 6mA",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Low",
          "symbol": "Vol",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": 0.4,
          "max": 0.6,
          "conditions": "VCCIO = 5.0V, High Drive Level; I sink = 6mA",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Input Switching Threshold",
          "symbol": "Vin",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": 1.6,
          "max": 1.9,
          "conditions": "VCCIO = 5.0V, High Drive Level; ** (internal 200kΩ pull-up to VCCIO)",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Input Switching Hysteresis",
          "symbol": "VHys",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": 55,
          "max": 60,
          "conditions": "VCCIO = 5.0V, High Drive Level; ** (internal 200kΩ pull-up to VCCIO)",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage High",
          "symbol": "Voh",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 2.8,
          "max": 3.2,
          "conditions": "VCCIO = 3.3V, High Drive Level; I source = 3mA",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage High",
          "symbol": "Voh",
          "kind": "electrical",
          "unit": "V",
          "min": 2.1,
          "typ": 2.8,
          "max": 3.2,
          "conditions": "VCCIO = 2.8V, High Drive Level; I source = 3mA",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Input Switching Threshold (RESET# and TEST pins)",
          "symbol": "Vin",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": 1.6,
          "max": 1.9,
          "conditions": "",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Input Switching Hysteresis (RESET# and TEST pins)",
          "symbol": "VHys",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": 55,
          "max": 60,
          "conditions": "",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "I/O Pins Static Output (High)",
          "symbol": "UVoh",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": null,
          "max": 3.6,
          "conditions": "RI = 1.5kΩ to 3V3Out (D+); RI = 15kΩ to GND (D-)",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "I/O Pins Static Output (Low)",
          "symbol": "UVol",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.3,
          "conditions": "RI = 1.5kΩ to 3V3Out (D+); RI = 15kΩ to GND (D-)",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Single Ended Rx Threshold",
          "symbol": "UVse",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Differential Common Mode",
          "symbol": "UCom",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 2.5,
          "conditions": "",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Differential Input Sensitivity",
          "symbol": "UVDif",
          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Driver Output Impedance",
          "symbol": "UDrvZ",
          "kind": "electrical",
          "unit": "Ohms",
          "min": 26,
          "typ": 29,
          "max": 44,
          "conditions": "*** includes internal USB series resistors on USBDP and USBDM",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Output Voltage High (OSCO)",
          "symbol": "Voh",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": null,
          "max": 3.6,
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