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Ray Set visibility: public 8b51c0b 4h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "hgx485eimm",
  "title": "HGX485EIMM",
  "brief": "HGSEMI RS-485/RS-422 ICs, MSOP-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",
    "communication interface chip-uart-485-232",
    "hgx485eimm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HGX485EIMM",
    "manufacturer": "HGSEMI",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "RS-485/RS-422 ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5ea088fa9905a238127c71887af9e479.pdf",
    "parts": {
      "symbol": "hgx485eimm.kicad_sym",
      "footprint": "hgx485eimm.kicad_mod",
      "model_3d": "hgx485eimm-hero.glb",
      "model_3d_plain": "hgx485eimm-etched.glb",
      "model_3d_step": "hgx485eimm-etched.step",
      "model_3d_step_plain": "hgx485eimm.step",
      "lbr": "hgx485eimm.lbr"
    },
    "distributor_links": {
      "lcsc": "C5116320"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:18:37Z",
      "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: when RE is low, RO is high if (A-B) is at least +200mV and low if (A-B) is at most -200mV; high-impedance when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Active-low receiver output enable (hot-swap input): RO is active when RE is low and high-impedance when RE is high; RE high with DE low enters low-power shutdown."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable (hot-swap input): driver outputs are active when DE is high and high-impedance when DE is low; DE low with RE high enters low-power shutdown."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: with DE high, a low on DI drives A low and B high, and a high on DI drives A high and B low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting receiver input and non-inverting driver output; ESD protected to ±16kV (IEC 61000-4-2 air-gap), bus voltage range -7V to +12V."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting receiver input and inverting driver output; ESD protected to ±16kV (IEC 61000-4-2 air-gap), bus voltage range -7V to +12V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 4.5V ≤ VCC ≤ 5.5V, bypass to ground with a 0.1µF capacitor."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pinout is given once for DIP-8/SOP-8/MSOP-8 and the pin table is extracted from OCR text. The pi; The datasheet states ESD ratings inconsistently: ±16kV in the title and electrical table, ±15kV in t"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0947,
        "at": "2026-10-22T21:18:21"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5ea088fa9905a238127c71887af9e479.pdf",
        "pages": 17,
        "sha256": "d939f6bd855e4a9f",
        "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": "hgx485eimm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hgx485eimm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "587d9405e727c38a97c77d049476f155c5b28b8822feb3438991182b75c866fc",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "MSOP-8",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d939f6bd855e4a9f896b940e75d293db30b21c88b630546e6fcbec3019cb9c9c",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Differential driver output",
          "symbol": "VOD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": null,
          "conditions": "Fig 1, RL=100Ω (RS-422)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Differential driver output",
          "symbol": "VOD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.1,
          "typ": null,
          "max": null,
          "conditions": "Fig 1, RL=54Ω (RS-485)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Change in magnitude of VOD",
          "symbol": "ΔVOD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "Fig 1, RL=100Ω or RL=54Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver common-mode output voltage",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Fig 1, RL=100Ω or RL=54Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Change in magnitude of VOC",
          "symbol": "ΔVOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "Fig 1, RL=100Ω or RL=54Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "DE, DI, RE",
          "source_page": 4,
          "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": 4,
          "source": "datasheet"
        },
        {
          "name": "Input hysteresis",
          "symbol": "VHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "DE, DI, RE",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "DE, DI, RE",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver short-circuit output current",
          "symbol": "IOSD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "0≦VOUT≦12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver short-circuit output current",
          "symbol": "IOSD",
          "kind": "electrical",
          "unit": "mA",
          "min": -250,
          "typ": null,
          "max": null,
          "conditions": "-7≦VOUT≦Vcc",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver short-circuit foldback output current",
          "symbol": "IOSDF",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Vcc-1V≦VOUT≦Vcc+0.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver short-circuit foldback output current",
          "symbol": "IOSDF",
          "kind": "electrical",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": null,
          "conditions": "-0.5V≦VOUT≦+1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "TTS",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "TTSH",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver differential threshold voltage",
          "symbol": "VTH",
          "kind": "electrical",
          "unit": "mV",
          "min": -200,
          "typ": null,
          "max": 200,
          "conditions": "-7V≦VCM≦12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver input hysteresis",
          "symbol": "ΔVTH",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VA+VB=0",
          "source_page": 4,
          "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": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver three-state output current",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "0≦VO≦VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver input resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 96,
          "typ": null,
          "max": null,
          "conditions": "-7V≦VCM≦12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver output short-circuit current",
          "symbol": "IOSR",
          "kind": "electrical",
          "unit": "mA",
          "min": 7,
          "typ": null,
          "max": 95,
          "conditions": "0V≦VRO≦VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 530,
          "max": 900,
          "conditions": "No load, RE=VCC, DI=GND or VCC, DE=VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 475,
          "max": 600,
          "conditions": "No load, RE=VCC, DI=GND or VCC, DE=GND",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 530,
          "max": 1000,
          "conditions": "No load, RE=GND, DI=GND or VCC, DE=VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 475,
          "max": 800,
          "conditions": "No load, RE=GND, DI=GND or VCC, DE=GND",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current in shutdown mode",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.05,
          "max": 10,
          "conditions": "DE=GND, RE=VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD protection A, B, IEC61000-4-2 air-gap",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": null,
          "typ": 16,
          "max": null,
          "conditions": "IEC61000-4-2 air-gap model (printed ±16)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD protection A, B, IEC61000-4-2 contact",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "IEC61000-4-2 contact model (printed ±8)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD protection HBM, all pins",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "HBM (printed ±4)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver propagation delay",
          "symbol": "tDPLH, tDPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Fig 2 and 5, RL=54Ω, CL=50pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver output skew",
          "symbol": "tDSKEW",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Fig 2 and 5, RL=54Ω, CL=50pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver rise or fall time",
          "symbol": "tDR, tDF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Fig 2 and 5, RL=54Ω, CL=50pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum data rate",
          "symbol": "fMAX",
          "kind": "timing",
          "unit": "Mbps",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver enable to output high",
          "symbol": "tDZH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Fig 3 and 6, CL=100pF, S3 closed",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver enable to output low",
          "symbol": "tDZL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Fig 3 and 6, CL=100pF, S2 closed",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver disable time from low",
          "symbol": "tDLZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Fig 3 and 6, CL=15pF, S2 closed",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver disable time from high",
          "symbol": "tDHZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Fig 3 and 6, CL=15pF, S3 closed",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver enable from shutdown to output high",
          "symbol": "tDZH(SHDN)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 2200,
          "conditions": "Fig 3 and 6, CL=15pF, S3 closed",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver enable from shutdown to output low",
          "symbol": "tDZL(SHDN)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 2200,
          "conditions": "Fig 3 and 6, CL=15pF, S2 closed",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Time to shutdown (driver)",
          "symbol": "tSHDN",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": 350,
          "max": 700,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
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