WS213EA

{
  "slug": "ws213ea",
  "version": "0.1.0",
  "type": "component",
  "description": "GEC RS232 ICs, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "ws213ea",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ws213ea.kicad_sym",
    "ws213ea.kicad_mod",
    "ws213ea.glb",
    "ws213ea.step",
    "ws213ea.lbr",
    "docs/hero.png",
    "docs/ws213ea-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ws213ea-hero.glb",
    "ws213ea-hero.overlay.json",
    "ws213ea-etched.glb"
  ],
  "component": {
    "mpn": "WS213EA",
    "manufacturer": "GEC",
    "package": "SSOP-28",
    "pin_count": 28,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "RS232 ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9cef4946e4f7e7dc9980e3f5ef0665d4.pdf",
    "parts": {
      "symbol": "ws213ea.kicad_sym",
      "footprint": "ws213ea.kicad_mod",
      "model_3d": "ws213ea-hero.glb",
      "model_3d_plain": "ws213ea-etched.glb",
      "model_3d_step": "ws213ea-etched.step",
      "model_3d_step_plain": "ws213ea.step",
      "lbr": "ws213ea.lbr"
    },
    "distributor_links": {
      "lcsc": "C2691427"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T23:51:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 925 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "T3OUT",
        "type": "output",
        "description": "Third RS-232 driver output, one of four transmitter outputs (RS-232 levels, ±15 kV air-gap ESD protection on RS-232 I/O)."
      },
      {
        "number": "2",
        "name": "T1OUT",
        "type": "output",
        "description": "First RS-232 driver output, with RS-232 output swing of ±5 V minimum at 3 kΩ load."
      },
      {
        "number": "3",
        "name": "T2OUT",
        "type": "output",
        "description": "Second RS-232 driver output, with RS-232 output swing of ±5 V minimum at 3 kΩ load."
      },
      {
        "number": "4",
        "name": "R2IN",
        "type": "input",
        "description": "Second RS-232 receiver input, with input voltage swing of ±20 V and input resistance of 3 to 7 kΩ."
      },
      {
        "number": "5",
        "name": "R2OUT",
        "type": "tri_state",
        "description": "Second receiver TTL/CMOS output, tri-stated when EN is low or XSD is low."
      },
      {
        "number": "6",
        "name": "T2IN",
        "type": "input",
        "description": "Second TTL/CMOS driver input, with input threshold 0.8 V low and 2.4 V high."
      },
      {
        "number": "7",
        "name": "T1IN",
        "type": "input",
        "description": "First TTL/CMOS driver input, with input threshold 0.8 V low and 2.4 V high."
      },
      {
        "number": "8",
        "name": "R1OUT",
        "type": "tri_state",
        "description": "First receiver TTL/CMOS output, tri-stated when EN is low or XSD is low."
      },
      {
        "number": "9",
        "name": "R1IN",
        "type": "input",
        "description": "First RS-232 receiver input, with input voltage swing of ±20 V and input resistance of 3 to 7 kΩ."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "11",
        "name": "VCC",
        "type": "power_in",
        "description": "+5 V supply input, recommended range 4.75 V to 5.25 V, absolute maximum +7 V."
      },
      {
        "number": "12",
        "name": "C1P",
        "type": "passive",
        "description": "Positive terminal of the boost charge-pump capacitor C1, typically 0.1 µF."
      },
      {
        "number": "13",
        "name": "VP",
        "type": "power_out",
        "description": "Charge-pump generated +5.4 V output, with absolute maximum rating of -0.3 V to +7 V."
      },
      {
        "number": "14",
        "name": "C1N",
        "type": "passive",
        "description": "Negative terminal of the boost charge-pump capacitor C1, typically 0.1 µF."
      },
      {
        "number": "15",
        "name": "C2P",
        "type": "passive",
        "description": "Positive terminal of the inverting charge-pump capacitor C2, typically 0.1 µF."
      },
      {
        "number": "16",
        "name": "C2N",
        "type": "passive",
        "description": "Negative terminal of the inverting charge-pump capacitor C2, typically 0.1 µF."
      },
      {
        "number": "17",
        "name": "VN",
        "type": "power_out",
        "description": "Charge-pump generated -5.4 V output, with absolute maximum rating of -7 V to +0.3 V."
      },
      {
        "number": "18",
        "name": "R5IN",
        "type": "input",
        "description": "Fifth RS-232 receiver input, with input voltage swing of ±20 V and input resistance of 3 to 7 kΩ."
      },
      {
        "number": "19",
        "name": "R5OUT",
        "type": "tri_state",
        "description": "Fifth receiver output, tri-stated when EN is low or XSD is low."
      },
      {
        "number": "20",
        "name": "T3IN",
        "type": "input",
        "description": "Third TTL/CMOS driver input, with input threshold 0.8 V low and 2.4 V high."
      },
      {
        "number": "21",
        "name": "T4IN",
        "type": "input",
        "description": "Fourth TTL/CMOS driver input, with input threshold 0.8 V low and 2.4 V high."
      },
      {
        "number": "22",
        "name": "R4OUT",
        "type": "tri_state",
        "description": "Fourth receiver TTL/CMOS output, tri-stated when EN is low or XSD is low."
      },
      {
        "number": "23",
        "name": "R4IN",
        "type": "input",
        "description": "Fourth RS-232 receiver input, with input voltage swing of ±20 V and input resistance of 3 to 7 kΩ."
      },
      {
        "number": "24",
        "name": "EN",
        "type": "input",
        "description": "Receiver enable control, active high, with TTL input thresholds of 0.8 V low and 2.4 V high."
      },
      {
        "number": "25",
        "name": "XSD",
        "type": "input",
        "description": "Active-low shutdown control that disables the drivers and voltage converter, reducing supply current to 1 µA typical and 10 µA maximum."
      },
      {
        "number": "26",
        "name": "R3OUT",
        "type": "tri_state",
        "description": "Third receiver TTL/CMOS output, tri-stated when EN is low or XSD is low."
      },
      {
        "number": "27",
        "name": "R3IN",
        "type": "input",
        "description": "Third RS-232 receiver input, with input voltage swing of ±20 V and input resistance of 3 to 7 kΩ."
      },
      {
        "number": "28",
        "name": "T4OUT",
        "type": "output",
        "description": "Fourth RS-232 driver output, with RS-232 output swing of ±5 V minimum at 3 kΩ load."
      }
    ],
    "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": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 9,
        "cost_usd": 0.001,
        "at": "2026-10-27T23:50:19"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/9cef4946e4f7e7dc9980e3f5ef0665d4.pdf",
        "pages": 9,
        "sha256": "f4493af685175d79",
        "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": "ws213ea.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ws213ea-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3407054298ae140693c8f52a5a577033583847f811a12b4ab6880805d23da44b",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}