main
Ray Set visibility: public 8219d4a 4h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "max3232eimt",
  "title": "MAX3232EIMT",
  "brief": "HGSEMI RS232 ICs, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "max3232eimt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MAX3232EIMT",
    "manufacturer": "HGSEMI",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756608463705522176",
    "parts": {
      "symbol": "max3232eimt.kicad_sym",
      "footprint": "max3232eimt.kicad_mod",
      "model_3d": "max3232eimt-hero.glb",
      "model_3d_plain": "max3232eimt-etched.glb",
      "model_3d_step": "max3232eimt-etched.step",
      "model_3d_step_plain": "max3232eimt.step",
      "lbr": "max3232eimt.lbr"
    },
    "distributor_links": {
      "lcsc": "C5310888"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:08:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal for the first charge pump capacitor, used with a 0.1 µF (or 1.0 µF in the application table) external capacitor."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "Doubled voltage terminal; absolute maximum is (VCC - 0.3) to 7 V, and V+ and |V-| must not exceed 13 V combined."
      },
      {
        "number": "3",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal for the first charge pump capacitor."
      },
      {
        "number": "4",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal for the second charge pump capacitor."
      },
      {
        "number": "5",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal for the second charge pump capacitor."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_out",
        "description": "Inverted voltage terminal; absolute range is 0.3 to -7 V, and V+ and |V-| must not exceed 13 V combined."
      },
      {
        "number": "7",
        "name": "T2OUT",
        "type": "output",
        "description": "Second RS-232 transmitter output; absolute range is ±13.2 V and it tolerates continuous short to GND."
      },
      {
        "number": "8",
        "name": "R2IN",
        "type": "input",
        "description": "Second RS-232 receiver input; operating range is ±25 V with input resistance of 3 to 7 kΩ."
      },
      {
        "number": "9",
        "name": "R2OUT",
        "type": "output",
        "description": "Second receiver TTL/CMOS output; absolute range is -0.3 V to (VCC + 0.3) V and VOL is at most 0.4 V."
      },
      {
        "number": "10",
        "name": "T2IN",
        "type": "input",
        "description": "Second transmitter TTL/CMOS logic input; VIL is at most 0.8 V and VIH is 2 V at 3.3 V or 2.4 V at 5 V, with absolute range -0.3 to 6 V."
      },
      {
        "number": "11",
        "name": "T1IN",
        "type": "input",
        "description": "First transmitter TTL/CMOS logic input; VIL is at most 0.8 V and VIH is 2 V at 3.3 V or 2.4 V at 5 V, with absolute range -0.3 to 6 V."
      },
      {
        "number": "12",
        "name": "R1OUT",
        "type": "output",
        "description": "First receiver TTL/CMOS output; absolute range is -0.3 V to (VCC + 0.3) V and VOL is at most 0.4 V."
      },
      {
        "number": "13",
        "name": "R1IN",
        "type": "input",
        "description": "First RS-232 receiver input; operating range is ±25 V with input resistance of 3 to 7 kΩ."
      },
      {
        "number": "14",
        "name": "T1OUT",
        "type": "output",
        "description": "First RS-232 transmitter output; absolute range is ±13.2 V and it tolerates continuous short to GND."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 3.3 V to 5.5 V operating; absolute maximum range is -0.3 to 6 V."
      }
    ],
    "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": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives one pin table (page 2) covering DIP-16, SOP-16 and TSSOP-16 together; pin number; Pin types are KiCad ERC classes assigned by me from the functional descriptions; the datasheet does ; Descriptions combine the function text from the pin table with limits from the absolute maximum, ele"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0526,
        "at": "2026-10-18T14:05:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756608463705522176",
        "pages": 12,
        "sha256": "f67f171274e08184",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "max3232eimt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max3232eimt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8fd759153d6f91d2df408f743936addcdb7ba61d87abc4c72efa6daf0f8cc32e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "TSSOP-16",
      "Category": "Interface",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f67f171274e08184ab1f751ada575c41424f7220778468ef405708c21e8082fb",
      "rows": [
        {
          "name": "VCC Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Doubled Voltage Terminal",
          "symbol": "V+",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Inverted Voltage Terminal",
          "symbol": "V-",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -7,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "V+ + |V-|",
          "symbol": "V+ + |V-|",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 13,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Transmitter Input Voltage Range",
          "symbol": "TIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input Voltage Range",
          "symbol": "RIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Transmitter Output Voltage Range",
          "symbol": "TOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -13.2,
          "typ": null,
          "max": 13.2,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Receiver Output Voltage Range",
          "symbol": "ROUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature (MAX3232EI)",
          "symbol": "Ta",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "MAX3232EI",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Ts",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 seconds",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC Power Supply Current (3.3V)",
          "symbol": "ISUPPLY",
          "kind": "electrical",
          "unit": "mA",
          "min": 2.5,
          "typ": null,
          "max": 5,
          "conditions": "No Load VCC = 3.3V ±10% TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC Power Supply Current (5V)",
          "symbol": "ISUPPLY",
          "kind": "electrical",
          "unit": "mA",
          "min": 6,
          "typ": null,
          "max": 10,
          "conditions": "No Load VCC = 5V ±10% TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Threshold High (VCC=3.3V)",
          "symbol": "VTIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCC = 3.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Threshold High (VCC=5V)",
          "symbol": "VTIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "VCC = 5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Threshold Low",
          "symbol": "VTIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "T-IN (Note 1)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage Current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0.01,
          "max": 1,
          "conditions": "T-IN",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing (VCC=5.0V)",
          "symbol": "VTOUT",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": 5.4,
          "max": null,
          "conditions": "All transmitter outputs loaded with 3KΩ to GND; VCC = 5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Swing (VCC=3.3V)",
          "symbol": "VTOUT",
          "kind": "electrical",
          "unit": "V",
          "min": -3.5,
          "typ": 4,
          "max": null,
          "conditions": "All transmitter outputs loaded with 3KΩ to GND; VCC = 3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Transmitter Output Resistance (minimum)",
          "symbol": "RTOUT",
          "kind": "electrical",
          "unit": "Ω",
          "min": 300,
          "typ": null,
          "max": null,
          "conditions": "VCC = V+ = V- = 0V VOUT = ±2V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Transmitter Output Resistance (maximum)",
          "symbol": "RTOUT",
          "kind": "electrical",
          "unit": "MΩ",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCC = V+ = V- = 0V VOUT = ±2V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Short Circuit Current",
          "symbol": "ITSC",
          "kind": "electrical",
          "unit": "mA",
          "min": -60,
          "typ": null,
          "max": 60,
          "conditions": "VCC = 3.3V to 5V VOUT = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input Voltage Operating Range",
          "symbol": "VRIN",
          "kind": "electrical",
          "unit": "V",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RS-232 Input Threshold Low (VCC=3.3V)",
          "symbol": "VRIL",
          "kind": "electrical",
          "unit": "V",
          "min": 0.6,
          "typ": 1.2,
          "max": null,
          "conditions": "TA = 25°C VCC = 3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RS-232 Input Threshold Low (VCC=5V)",
          "symbol": "VRIL",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": 1.5,
          "max": null,
          "conditions": "TA = 25°C VCC = 5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RS-232 Input Threshold High (VCC=3.3V)",
          "symbol": "VRIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": 2.4,
          "max": null,
          "conditions": "TA = 25°C VCC = 3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RS-232 Input Threshold High (VCC=5V)",
          "symbol": "VRIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": 2.4,
          "max": null,
          "conditions": "TA = 25°C VCC = 5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Hysteresis",
          "symbol": "VRIHYS",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Resistance",
          "symbol": "RRIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 3,
          "typ": 5,
          "max": 7,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "TTL/CMOS Output Voltage Low",
          "symbol": "VROL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOUT = 1.6mA VCC = 3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Data Transfer Rate",
          "symbol": "DR",
          "kind": "timing",
          "unit": "Kbps",
          "min": 120,
          "typ": null,
          "max": null,
          "conditions": "RL = 3KΩ CL2= 1000pF one transmitter switching VCC=3.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay Input to Output (receiver)",
          "symbol": "tPHLR, tPLHR",
          "kind": "timing",
          "unit": "µs",
          "min": 4,
          "typ": null,
          "max": 9.7,
          "conditions": "RXIN = RXOUT CL = 150pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay Input to Output (transmitter)",
          "symbol": "tPHLT, tPLHT",
          "kind": "timing",
          "unit": "µs",
          "min": 2,
          "typ": null,
          "max": 5,
          "conditions": "RL = 3KΩ CL = 2500pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Propagation Delay Difference",
          "symbol": "|tPHLR - tPLHR|",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Transmitter Propagation Delay Difference",
          "symbol": "|tPHLT - tPLHT|",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Transition Slew Rate",
          "symbol": "SRT",
          "kind": "timing",
          "unit": "V/µs",
          "min": 3,
          "typ": null,
          "max": 30,
          "conditions": "TA = 25°C RL = 3KΩ to 7KΩ VCC = 3.3V measured from +3V to -3V or -3V to +3V CL = 150pF to 1000pF",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "max3232eimt"
  ],
  "discovery_pitch": "MAX3232EIMT (HGSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max3232eimt.kicad_sym",
    "max3232eimt.kicad_mod",
    "max3232eimt.glb",
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