HT8483EARZ

{
  "slug": "ht8483earz",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI RS-485/RS-422 ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "ht8483earz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht8483earz.kicad_sym",
    "ht8483earz.kicad_mod",
    "ht8483earz.glb",
    "ht8483earz.step",
    "ht8483earz.lbr",
    "docs/hero.png",
    "docs/ht8483earz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht8483earz-hero.glb",
    "ht8483earz-hero.overlay.json",
    "ht8483earz-etched.glb"
  ],
  "component": {
    "mpn": "HT8483EARZ",
    "manufacturer": "HTCSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "RS-485/RS-422 ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d5a297aaae3fee425be49b2299d82a7c.pdf",
    "parts": {
      "symbol": "ht8483earz.kicad_sym",
      "footprint": "ht8483earz.kicad_mod",
      "model_3d": "ht8483earz-hero.glb",
      "model_3d_plain": "ht8483earz-etched.glb",
      "model_3d_step": "ht8483earz-etched.step",
      "model_3d_step_plain": "ht8483earz.step",
      "lbr": "ht8483earz.lbr"
    },
    "distributor_links": {
      "lcsc": "C2937064"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:04:47Z",
      "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 inputs open, low when A-B ≤ -0.2V, high-impedance when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active low (RE = 0 enables RO, RE = 1 puts RO in high impedance); input high threshold 2.0V, low 0.8V."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable, active high (DE = 1 enables driver outputs, DE = 0 puts them in high impedance); input high threshold 2.0V, low 0.8V."
      },
      {
        "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": "Noninverting receiver input and driver output on the RS-485/RS-422 bus; -7V to +12V common-mode range, ±15kV HBM ESD protected."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting receiver input and driver output on the RS-485/RS-422 bus; -7V to +12V common-mode range, ±15kV HBM ESD protected."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, 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 datasheet pinning diagram is labelled DIP/SO and shows only pin names, with no descriptions. Pin",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.2457,
        "at": "2026-10-22T22:04:29"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d5a297aaae3fee425be49b2299d82a7c.pdf",
        "pages": 5,
        "sha256": "8a0639739afb5f6f",
        "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": "ht8483earz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht8483earz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2cc9eee170cbad548696318c7ff6923ce8a575a4636326c8bcb985e874725903",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}