main
Ray Set visibility: public 38f8fc8 7d ago
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{
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  "slug": "max202cse-t",
  "title": "MAX202CSE+T",
  "brief": "Analog Devices Inc Maxim Integrated RS232 ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "mpn": "MAX202CSE+T",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907840665108480",
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    "distributor_links": {
      "lcsc": "C190488",
      "digikey": "MAX202CSE+TTR-ND"
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      "checked_at": "2026-10-18T11:09:59Z",
      "source": "Component Ocean /api/assign-pns",
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      "mouser": {
        "pn": null,
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    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the 0.1µF flying capacitor C1 that the voltage doubler uses to generate V+ from VCC."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "Doubler output that stores approximately +10V on the V+ output filter capacitor (C3) and supplies the RS-232 driver positive swing."
      },
      {
        "number": "3",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal of the 0.1µF flying capacitor C1 used by the voltage doubler."
      },
      {
        "number": "4",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of the 0.1µF flying capacitor C2 used by the voltage inverter that generates V- from V+."
      },
      {
        "number": "5",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the 0.1µF flying capacitor C2 used by the voltage inverter."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_out",
        "description": "Inverter output that stores approximately -10V on the V- output filter capacitor (C4) and supplies the RS-232 driver negative swing."
      },
      {
        "number": "7",
        "name": "T2OUT",
        "type": "output",
        "description": "RS-232 driver 2 output that gives at least ±5V into a 3kΩ load under worst-case conditions (typical ±8V with a 5kΩ receiver and VCC = +5V)."
      },
      {
        "number": "8",
        "name": "R2IN",
        "type": "input",
        "description": "RS-232 receiver 2 input rated for ±30V, with +0.8V/+2.4V thresholds, about 0.5V hysteresis, and about 5kΩ input resistance to ground."
      },
      {
        "number": "9",
        "name": "R2OUT",
        "type": "output",
        "description": "TTL/CMOS receiver 2 output (inverting), specified at 0.4V maximum low at 3.2mA and 3.5V minimum high at 1.0mA."
      },
      {
        "number": "10",
        "name": "T2IN",
        "type": "input",
        "description": "TTL/CMOS driver 2 input with 0.8V maximum low and 2.0V minimum high thresholds and an internal 400kΩ pullup to VCC, so an open input drives the output low."
      },
      {
        "number": "11",
        "name": "T1IN",
        "type": "input",
        "description": "TTL/CMOS driver 1 input with 0.8V maximum low and 2.0V minimum high thresholds and an internal 400kΩ pullup to VCC, so an open input drives the output low."
      },
      {
        "number": "12",
        "name": "R1OUT",
        "type": "output",
        "description": "TTL/CMOS receiver 1 output (inverting), specified at 0.4V maximum low at 3.2mA and 3.5V minimum high at 1.0mA."
      },
      {
        "number": "13",
        "name": "R1IN",
        "type": "input",
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      },
      {
        "number": "14",
        "name": "T1OUT",
        "type": "output",
        "description": "RS-232 driver 1 output that gives at least ±5V into a 3kΩ load under worst-case conditions (typical ±8V with a 5kΩ receiver and VCC = +5V)."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device, the charge pump, and the RS-232 signals."
      },
      {
        "number": "16",
        "name": "VCC",
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        "description": "Single +5V supply input (VCC = +5V ±10% for MAX202), drawing a typical 8mA and a maximum 15mA with no load."
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      "Manufacturer": "Analog Devices Inc Maxim Integrated",
      "Package": "SOIC-16",
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          "name": "RS-232 Input Resistance",
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          "name": "TTL/CMOS Output-Voltage Low",
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          "max": 0.4,
          "conditions": "IOUT = 3.2mA (MAX201, MAX202, MAX203)",
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          "name": "TTL/CMOS Output-Voltage High",
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          "name": "Transmitter Output Resistance",
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          "conditions": "VCC = V+ = V- = 0V, VOUT = ±2V",
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          "name": "Transition Region Slew Rate",
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          "conditions": "CL = 50pF to 2500pF, RL = 3kΩ to 7kΩ, VCC = 5V, TA = +25°C, measured from +3V to -3V or -3V to +3V",
          "source_page": 3,
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        {
          "name": "RS-232 Output Short-Circuit Current",
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          "name": "Maximum Data Rate",
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