main
Ray Set visibility: public 81c56d6 7h ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770
{
  "schema_version": 1,
  "type": "component",
  "slug": "ht3082earz",
  "title": "HT3082EARZ",
  "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": [
    "component",
    "interface",
    "ht3082earz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HT3082EARZ",
    "manufacturer": "HTCSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838840086638592",
    "parts": {
      "symbol": "ht3082earz.kicad_sym",
      "footprint": "ht3082earz.kicad_mod",
      "model_3d": "ht3082earz-hero.glb",
      "model_3d_plain": "ht3082earz-etched.glb",
      "model_3d_step": "ht3082earz-etched.step",
      "model_3d_step_plain": "ht3082earz.step",
      "lbr": "ht3082earz.lbr"
    },
    "distributor_links": {
      "lcsc": "C2960963"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T13:46:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output, three-state; high when A-B ≥ +0.2V or input open, low when A-B ≤ -0.2V, high-impedance when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Active-low receiver output enable; logic low enables RO, logic high puts RO in high impedance (VIH 2.0V min, VIL 0.8V max, ±2µA input current)."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable; logic high enables the driver outputs, logic low places them in high impedance (VIH 2.0V min, VIL 0.8V max)."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input; with DE high, a low on DI forces the non-inverting output low and a high forces it high (input range -0.5V to VCC+0.5V)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all device voltages."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting RS-485/RS-422 receiver input and driver output, -7V to +12V common-mode range, ±15kV HBM ESD protected (absolute max -8V to +12.5V)."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting RS-485/RS-422 receiver input and driver output, -7V to +12V common-mode range, ±15kV HBM ESD protected (absolute max -8V to +12.5V)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Single 5V supply (5V ±5% operating, absolute maximum 12V)."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pinout figure is labeled 'DIP/SO' and is shared by the DIP8 and SOP8 packages. Pin 1 is at the t",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.234,
        "at": "2026-10-18T13:46:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838840086638592",
        "pages": 5,
        "sha256": "7eea11ff6ed4d076",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ht3082earz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht3082earz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3d16017a0c40f854a13b4f8c331a5b9164509207f4695f5cfc0b6a4f95ad3a4c",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "SOP-8",
      "Category": "Interface",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7eea11ff6ed4d0765db2ac4e9726d4504511b0d9f3dbded49e761514878890b3",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "Absolute maximum",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Control Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VCC+0.5V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Driver Input Voltage (DI)",
          "symbol": "DI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VCC+0.5V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Driver Output Voltage (A, B)",
          "symbol": "A, B",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8,
          "typ": null,
          "max": 12.5,
          "conditions": "Absolute maximum",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input Voltage (A, B)",
          "symbol": "A, B",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8,
          "typ": null,
          "max": 12.5,
          "conditions": "Absolute maximum",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Receiver Output Voltage (RO)",
          "symbol": "RO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VCC+0.5V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Power Dissipation (8-Pin SO)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 471,
          "conditions": "8-Pin SO, derate 5.88mW/°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "10 sec",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage tolerance",
          "symbol": "VCC",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": 5,
          "max": 5,
          "conditions": "VCC = 5V ±5%",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Differential Driver Output (no load)",
          "symbol": "VOD1",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "No load",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Differential Driver Output (RS-422 load)",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "R = 50Ω (RS-422)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Differential Driver Output (RS-485 load)",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 5,
          "conditions": "R = 27Ω (RS-485), Figure 4",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Change in Magnitude of Driver Differential Output Voltage",
          "symbol": "ΔVOD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "R = 27Ω or 50Ω, Figure 4",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Driver Common-Mode Output Voltage",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "R = 27Ω or 50Ω, Figure 4",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Change in Magnitude of Driver Common-Mode Output Voltage",
          "symbol": "ΔVOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "R = 27Ω or 50Ω, Figure 4",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "DE, DI, RE",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "DE, DI, RE",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Current (DE, DI, RE)",
          "symbol": "IIN1",
          "kind": "electrical",
          "unit": "µA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "DE, DI, RE",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Current (A, B)",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "DE = 0V; VIN = 12V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Current (A, B)",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -0.8,
          "conditions": "VCC = 0V or 5.25V, VIN = -7V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Receiver Differential Threshold Voltage",
          "symbol": "VTH",
          "kind": "electrical",
          "unit": "V",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "-7V ≤ VCM ≤ 12V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input Hysteresis",
          "symbol": "ΔVTH",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "VCM = 0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Receiver Output High Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "IO = -4mA, VID = 200mV",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Receiver Output Low Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IO = 4mA, VID = -200mV",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Three-State Output Current at Receiver",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "0.4V ≤ VO ≤ 2.4V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "No-Load Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 500,
          "max": 900,
          "conditions": "DE = VCC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "No-Load Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 300,
          "max": 500,
          "conditions": "RE = 0V or VCC, DE = 0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Driver Short-Circuit Current, VO = High",
          "symbol": "IOSD1",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": null,
          "max": 250,
          "conditions": "-7V ≤ VO ≤ 12V (Note 4)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Driver Short-Circuit Current, VO = Low",
          "symbol": "IOSD2",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": null,
          "max": 250,
          "conditions": "-7V ≤ VO ≤ 12V (Note 4)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Receiver Short-Circuit Current",
          "symbol": "IOSR",
          "kind": "electrical",
          "unit": "mA",
          "min": 7,
          "typ": null,
          "max": 95,
          "conditions": "0V ≤ VO ≤ VCC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Driver Input to Output (tPLH)",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 10,
          "typ": 30,
          "max": 60,
          "conditions": "RDIFF = 54Ω, CL1 = CL2 = 100pF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Driver Input to Output (tPHL)",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 10,
          "typ": 30,
          "max": 60,
          "conditions": "RDIFF = 54Ω, CL1 = CL2 = 100pF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Driver Output Skew to Output",
          "symbol": "tSKEW",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "RDIFF = 54Ω, CL1 = CL2 = 100pF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Driver Enable to Output High",
          "symbol": "tZH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": 70,
          "conditions": "CL = 100pF, S2 closed",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Driver Enable to Output Low",
          "symbol": "tZL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": 70,
          "conditions": "CL = 100pF, S1 closed",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Driver Disable Time from Low",
          "symbol": "tLZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": 70,
          "conditions": "CL = 15pF, S1 closed",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Driver Disable Time from High",
          "symbol": "tHZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": 70,
          "conditions": "CL = 15pF, S2 closed",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Differential Receiver Skew |tPLH - tPHL|",
          "symbol": "tSKD",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 13,
          "conditions": "RDIFF = 54Ω, CL1 = CL2 = 100pF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Receiver Enable to Output Low",
          "symbol": "tZL",
          "kind": "timing",
          "unit": "ns",
          "min": 20,
          "typ": null,
          "max": 50,
          "conditions": "CRL = 15pF, S1 closed",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Receiver Enable to Output High",
          "symbol": "tZH",
          "kind": "timing",
          "unit": "ns",
          "min": 20,
          "typ": null,
          "max": 50,
          "conditions": "CRL = 15pF, S2 closed",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Receiver Disable Time from Low",
          "symbol": "tLZ",
          "kind": "timing",
          "unit": "ns",
          "min": 20,
          "typ": null,
          "max": 50,
          "conditions": "CRL = 15pF, S1 closed",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Receiver Disable Time from High",
          "symbol": "tHZ",
          "kind": "timing",
          "unit": "ns",
          "min": 20,
          "typ": null,
          "max": 50,
          "conditions": "CRL = 15pF, S2 closed",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Data Rate",
          "symbol": "fMAX",
          "kind": "timing",
          "unit": "Mbps",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ht3082earz"
  ],
  "discovery_pitch": "HT3082EARZ (HTCSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht3082earz.kicad_sym",
    "ht3082earz.kicad_mod",
    "ht3082earz.glb",
    "ht3082earz.step",
    "ht3082earz.lbr",
    "docs/hero.png",
    "docs/ht3082earz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht3082earz-hero.glb",
    "ht3082earz-hero.overlay.json",
    "ht3082earz-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}