WS213EA

{
  "schema_version": 1,
  "type": "component",
  "slug": "ws213ea",
  "title": "WS213EA",
  "brief": "GEC RS232 ICs, SSOP-28. 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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    "communication interface chip-uart-485-232",
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  "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",
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    "distributor_links": {
      "lcsc": "C2691427"
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    "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"
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      "mouser": {
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    },
    "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."
      }
    ],
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  "metadata": {
    "specs": {
      "Manufacturer": "GEC",
      "Package": "SSOP-28",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "28"
    },
    "characteristics": {
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          "min": 4.5,
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          "max": 5.5,
          "conditions": "VCC = +3.3V or VCC = +5V",
          "source_page": 2,
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        {
          "name": "Operating temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": 25,
          "max": 85,
          "conditions": "Industrial Grade",
          "source_page": 2,
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          "unit": "uA",
          "min": -200,
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          "kind": "electrical",
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          "max": 0.4,
          "conditions": "IOUT = 1.6mA",
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          "kind": "electrical",
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          "min": -10,
          "typ": null,
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          "conditions": "Receiver Outputs Disabled, VOUT = VCC or GND, XSD= GND, EN= GND",
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          "name": "Receiver input voltage swing",
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          "kind": "electrical",
          "unit": "V",
          "min": -20,
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          "max": 20,
          "conditions": "TA = 25°C, VCC = +5V Supply",
          "source_page": 2,
          "source": "datasheet"
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          "name": "Receiver input threshold Low",
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          "source_page": 2,
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        {
          "name": "Receiver input threshold High",
          "symbol": "",
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          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "TA = 25°C, VCC = +5V Supply",
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          "name": "Receiver input resistance",
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          "unit": "KΩ",
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          "conditions": "VIN = ±20V, TA = 25°C",
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          "unit": "V",
          "min": -5,
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          "conditions": "RL = 3kΩ, All Outputs are loaded",
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          "name": "Driver output resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": 300,
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          "conditions": "VCC = VP = VN = GND, VOUT = ±2V",
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          "conditions": "Transmitter Disabled, VOUT = ±12V",
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          "name": "Transition slew rate",
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          "conditions": "RL = 3~7kΩ, CL= 150pF to1000pF, One Transmitter Switching, TA = 25°C, Measured from 3V to –3V or –3V to 3V",
          "source_page": 3,
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          "name": "Charge pump supply VCC (absolute)",
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          "name": "Positive charge pump voltage",
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          "name": "Negative charge pump voltage",
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          "name": "Driver input pins voltage",
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          "name": "Receiver input pins voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
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          "max": 20,
          "conditions": "",
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        {
          "name": "Driver output pins voltage",
          "symbol": "TxOUT",
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          "min": -15,
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          "name": "Maximum junction temperature",
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