HT3483ARZ

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  "type": "component",
  "slug": "ht3483arz",
  "title": "HT3483ARZ",
  "brief": "HTCSEMI RS-485 / RS-422 ICs, SOP-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": [
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    "interface",
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  "component": {
    "mpn": "HT3483ARZ",
    "manufacturer": "HTCSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590454880016883712",
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      "lcsc": "C5274683"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "error"
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    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output that goes high when the receiver differential input A-B is at or above +0.2 V and low when it is at or below -0.2 V, with the output voltage limited to UOR of 0 to UCC."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable pin, which must be low to enable the receiver and high (with DE low) to place the receiver output in the OFF state for shutdown mode; RE input levels are limited to UIL max 0.8 V and UIH min 2.0 V."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Transmitter output enable pin, which must be high to enable the transmitter outputs and low (with RE high) to put the transmitter into the OFF state; DE input levels are limited to UIL max 0.8 V and UIH min 2.0 V."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Transmitter input accepting CMOS/TTL-level signals, which are converted to RS-485/422 levels on the A and B outputs; input levels are limited to UIL max 0.8 V and UIH min 2.0 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Common (ground) pin for the device."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Receiver/transmitter uncomplemented I/O pin for the RS-485/422 bus, with bus input voltage range URIN of -7 V to 12 V in recommended operation and absolute limits of -7.5 V to 12.5 V."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Receiver/transmitter complemented I/O pin for the RS-485/422 bus, with bus input voltage range URIN of -7 V to 12 V in recommended operation and absolute limits of -7.5 V to 12.5 V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin, recommended at 3.0 V to 3.6 V with an absolute maximum of 7.0 V."
      }
    ],
    "provenance": {
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        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet covers HT3483/HT3485/HT3486 together and lists SOP-8 only as 'SOP-8 R SUFFIX' on page ; Table 1 prints pin numbers as two-digit '01'..'08'; they are reported here as '1'..'8' per the requi; Pin descriptions for A and B give bus voltage limits from the absolute maximum and recommended opera"
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        "cost_usd": 0.0286,
        "at": "2026-10-19T08:27:16"
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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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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "SOP-8",
      "Category": "Interface",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6572ac9aefb930915ac51b942cf3096169baf10dbc492d93f2514e61d51a8ad2",
      "rows": [
        {
          "name": "Supply voltage (absolute maximum)",
          "symbol": "UCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DI, DE, RE pins high level input voltage",
          "symbol": "UIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage applied to transmitter output (recommended)",
          "symbol": "UOD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -7,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver input voltage (recommended)",
          "symbol": "URIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -7,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage applied to receiver output (recommended)",
          "symbol": "UOR",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ambient operating temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Low level input leakage current",
          "symbol": "IILL",
          "kind": "electrical",
          "unit": "uA",
          "min": -2,
          "typ": null,
          "max": null,
          "conditions": "UDE=UDI=URE=0V; UCC=3.6V; TA=-40 to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High level input leakage current",
          "symbol": "IILH",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "UDE=UDI=URE=UCC; UCC=3.6V; TA=-40 to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown mode supply current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "UDE=0; URE=UCC; UDI=0V or UCC; UCC=3.6V; TA=-40 to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Time of transition to low power consumption mode",
          "symbol": "tSHDN",
          "kind": "timing",
          "unit": "ns",
          "min": 80,
          "typ": null,
          "max": 300,
          "conditions": "UCC=3.3V; TA=25±10°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver input resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "-7 V ≤ URIN ≤ 12 V; TA=25±10°C and -40 to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input current",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "URIN=12V; UDE=0V; UCC=3.6V; TA=-40 to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low level output current for OFF state",
          "symbol": "IOZLR",
          "kind": "electrical",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "UOR=0V; UCC=3.6V; TA=-40 to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High level output current for OFF state",
          "symbol": "IOZHR",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "UOR=UCC; UCC=3.6V; TA=-40 to 85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High level short circuit output current",
          "symbol": "IOSHR",
          "kind": "electrical",
          "unit": "mA",
          "min": 9,
          "typ": null,
          "max": 50,
          "conditions": "UIH=3.0V; UIL=0V; UOR=3.6V; UCC=3.6V; TA=25±10°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High level short circuit output current",
          "symbol": "IOSHR",
          "kind": "electrical",
          "unit": "mA",
          "min": 8,
          "typ": null,
          "max": 60,
          "conditions": "UIH=3.0V; UIL=0V; UOR=3.6V; UCC=3.6V; TA=-40 to 85°C",
          "source_page": 5,
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        },
        {
          "name": "Low level short circuit output current",
          "symbol": "IOSLR",
          "kind": "electrical",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": -9,
          "conditions": "UIH=3.0V; UIL=0V; UOR=0V; UCC=3.6V; TA=25±10°C",
          "source_page": 5,
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        {
          "name": "Low level short circuit output current",
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          "min": -60,
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