MAX232ACSE+T

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  "title": "MAX232ACSE+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",
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  "component": {
    "mpn": "MAX232ACSE+T",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "RS232 ICs",
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    "distributor_links": {
      "lcsc": "C14690",
      "digikey": "MAX232ACSE+TTR-ND",
      "mouser": "700-MAX232ACSET"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T01:10:37Z",
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        "pn": "MAX232ACSE+TTR-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "700-MAX232ACSET",
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      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the C1 charge-pump capacitor in the +5V-to-+10V voltage doubler."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "Doubled positive supply output of about +10V unloaded; it is not regulated, drops with load current, and must not be loaded to violate the minimum ±5V RS-232 driver output."
      },
      {
        "number": "3",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal of the C1 charge-pump capacitor in the voltage doubler."
      },
      {
        "number": "4",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of the C2 charge-pump capacitor in the +10V-to-−10V voltage inverter."
      },
      {
        "number": "5",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the C2 charge-pump capacitor in the voltage inverter."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_out",
        "description": "Inverted negative supply output of about −10V unloaded; it is not regulated and drops with load current."
      },
      {
        "number": "7",
        "name": "T2OUT",
        "type": "output",
        "description": "RS-232 driver 2 output, typically ±8V when loaded with a nominal 5kΩ receiver, and can be driven to ±15V; it goes high-impedance in shutdown or when power is removed."
      },
      {
        "number": "8",
        "name": "R2IN",
        "type": "input",
        "description": "RS-232 receiver 2 input, rated for ±30V on the MAX232 and containing an internal 5kΩ terminating resistor."
      },
      {
        "number": "9",
        "name": "R2OUT",
        "type": "output",
        "description": "TTL/CMOS receiver 2 output that inverts the RS-232 input and swings between GND and VCC (absolute range −0.3V to VCC+0.3V)."
      },
      {
        "number": "10",
        "name": "T2IN",
        "type": "input",
        "description": "TTL/CMOS driver 2 input with an internal 400kΩ pullup to VCC, so an unused input can be left unconnected; absolute maximum is VCC−0.3V."
      },
      {
        "number": "11",
        "name": "T1IN",
        "type": "input",
        "description": "TTL/CMOS driver 1 input with an internal 400kΩ pullup to VCC, so an unused input can be left unconnected; absolute maximum is VCC−0.3V."
      },
      {
        "number": "12",
        "name": "R1OUT",
        "type": "output",
        "description": "TTL/CMOS receiver 1 output that inverts the RS-232 input and swings between GND and VCC (absolute range −0.3V to VCC+0.3V)."
      },
      {
        "number": "13",
        "name": "R1IN",
        "type": "input",
        "description": "RS-232 receiver 1 input, rated for ±30V on the MAX232 and containing an internal 5kΩ terminating resistor."
      },
      {
        "number": "14",
        "name": "T1OUT",
        "type": "output",
        "description": "RS-232 driver 1 output, typically ±8V when loaded with a nominal 5kΩ receiver, and can be driven to ±15V; it goes high-impedance in shutdown or when power is removed."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all absolute maximum ratings and voltages are referenced to GND."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply input of +5V ±10% (absolute range −0.3V to +6V), to be decoupled to GND with a capacitor placed close to the device."
      }
    ],
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          "extractor flagged: Pin numbers were read from the Figure 5 pin-configuration text layout (MAX220/MAX232/MAX232A DIP/SO ; The datasheet is a multi-part family (MAX220–MAX249). Descriptions for MAX232A-specific behavior and; Headline supply spec as printed is VCC = +5V ±10% (4.5V to 5.5V) with absolute maximum −0.3V to +6V;",
          "8/16 pins cited to the wrong page (name found elsewhere): ['6:V-@p14', '7:T2OUT@p14', '8:R2IN@p14', '10:T2IN@p14']"
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        "at": "2026-10-19T01:08:15"
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      "Manufacturer": "Analog Devices Inc Maxim Integrated",
      "Package": "SOIC-16",
      "Category": "Interface",
      "Pins": "16"
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          "name": "Supply voltage (VCC)",
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          "name": "ROUT output voltage",
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          "source_page": 2,
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        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 160,
          "conditions": "",
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        {
          "name": "Lead temperature (soldering, 10s)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering, 10s",
          "source_page": 2,
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        },
        {
          "name": "Operating temperature range (MAX2__AC__ commercial)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "MAX2__AC__, MAX2__C__ grade",
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        {
          "name": "Supply voltage range",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "VCC = +5V ±10%",
          "source_page": 3,
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        {
          "name": "Input logic-low voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 0.8,
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          "unit": "V",
          "min": 2,
          "typ": null,
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          "conditions": "All devices except MAX220",
          "source_page": 2,
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          "kind": "electrical",
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          "min": 5,
          "typ": null,
          "max": 40,
          "conditions": "All except MAX220, normal operation",
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          "name": "Output voltage swing (RS-232 transmitter)",
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          "kind": "electrical",
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          "typ": 8,
          "max": null,
          "conditions": "All transmitter outputs loaded with 3k to GND; printed ±5 min, ±8 typ",
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        {
          "name": "Output leakage current",
          "symbol": "IOUT(leak)",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": 0.01,
          "max": 10,
          "conditions": "VCC = VSHDN = 0V, VOUT = ±15V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Data rate",
          "symbol": "",
          "kind": "electrical",
          "unit": "kbps",
          "min": 116,
          "typ": 200,
          "max": null,
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        {
          "name": "Transmitter output resistance",
          "symbol": "ROUT",
          "kind": "electrical",
          "unit": "Ω",
          "min": 300,
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          "conditions": "VCC = V+ = V- = 0V, VOUT = ±2V; printed max 10M (not entered)",
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        {
          "name": "Transmitter output short-circuit current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
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          "max": 22,
          "conditions": "VOUT = 0V; printed ±7 typ, ±22 max",
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        {
          "name": "RS-232 input voltage operating range",
          "symbol": "VRIN",
          "kind": "electrical",
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          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "Except MAX220",
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        {
          "name": "RS-232 input threshold low",
          "symbol": "VTH(L)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": 1.3,
          "max": null,
          "conditions": "VCC = +5V; all except MAX243 R2IN",
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        {
          "name": "RS-232 input threshold high",
          "symbol": "VTH(H)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": 2.4,
          "max": null,
          "conditions": "VCC = +5V; all except MAX243 R2IN",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "RS-232 input hysteresis",
          "symbol": "VHYS",
          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": 0.5,
          "max": 1,
          "conditions": "VCC = +5V, no hysteresis in shutdown; all except MAX220/MAX243",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "RS-232 input resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 3,
          "typ": 5,
          "max": 7,
          "conditions": "",
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          "name": "TTL/CMOS output voltage low",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "IOUT = 3.2mA",
          "source_page": 3,
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        },
        {
          "name": "TTL/CMOS output voltage high",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "IOUT = -1.0mA; printed max is VCC - 0.2V (expression, not entered)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "TTL/CMOS output short-circuit current, sourcing",
          "symbol": "IOS(src)",
          "kind": "electrical",
          "unit": "mA",
          "min": -2,
          "typ": null,
          "max": -10,
          "conditions": "VOUT = VGND",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "TTL/CMOS output short-circuit current, sinking",
          "symbol": "IOS(snk)",
          "kind": "electrical",
          "unit": "mA",
          "min": 10,
          "typ": null,
          "max": 30,
          "conditions": "VOUT = VCC",
          "source_page": 3,
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        {
          "name": "TTL/CMOS output leakage current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": 0.05,
          "max": 10,
          "conditions": "VSHDN = VCC or VEN = VCC (VSHDN = 0V for MAX222), 0V ≤ VOUT ≤ VCC",
          "source_page": 3,
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        },
        {
          "name": "VCC supply current, no load",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 10,
          "conditions": "No load, VSHDN = VCC; MAX222/MAX232A/MAX233A/MAX242/MAX243",
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          "name": "VCC supply current, 3k load both inputs",
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          "min": null,
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          "conditions": "3k load, both inputs; single printed value entered as max, column inferred",
          "source_page": 3,
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          "name": "Transmitter transition slew rate",
          "symbol": "SR",
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          "unit": "V/μs",
          "min": 6,
          "typ": 12,
          "max": 30,
          "conditions": "CL = 50pF to 2500pF, RL = 3k to 7k, VCC = +5V, TA = +25°C, measured from +3V to -3V or -3V to +3V",
          "source_page": 3,
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          "conditions": "Figure 1",
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          "kind": "electrical",
          "unit": "μs",
          "min": null,
          "typ": 0.5,
          "max": 1,
          "conditions": "Figure 2",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver propagation delay, RS-232 to TTL low-to-high",
          "symbol": "tPLHR",
          "kind": "electrical",
          "unit": "μs",
          "min": null,
          "typ": 0.6,
          "max": 1,
          "conditions": "Figure 2",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Transmitter + to - propagation delay difference",
          "symbol": "tPHLT - tPLHT",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Normal operation; single printed value entered as max",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Receiver + to - propagation delay difference",
          "symbol": "tPHLR - tPLHR",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Normal operation; single printed value entered as max",
          "source_page": 4,
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