MAX3222EEUP+T

{
  "slug": "max3222eeup-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Inc Maxim Integrated RS232 ICs, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "max3222eeup+t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max3222eeup-t.kicad_sym",
    "max3222eeup-t.kicad_mod",
    "max3222eeup-t.glb",
    "max3222eeup-t.step",
    "max3222eeup-t.lbr",
    "docs/hero.png",
    "docs/max3222eeup-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max3222eeup-t-hero.glb",
    "max3222eeup-t-hero.overlay.json",
    "max3222eeup-t-etched.glb"
  ],
  "component": {
    "mpn": "MAX3222EEUP+T",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881499563573248",
    "parts": {
      "symbol": "max3222eeup-t.kicad_sym",
      "footprint": "max3222eeup-t.kicad_mod",
      "model_3d": "max3222eeup-t-hero.glb",
      "model_3d_plain": "max3222eeup-t-etched.glb",
      "model_3d_step": "max3222eeup-t-etched.step",
      "model_3d_step_plain": "max3222eeup-t.step",
      "lbr": "max3222eeup-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C124672",
      "digikey": "MAX3222EEUP+TR-ND",
      "mouser": "700-MAX3222EEUPT"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:34:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MAX3222EEUP+TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "700-MAX3222EEUPT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Receiver Enable, active low; driving EN high places the receiver outputs in a high-impedance state (input logic low max 0.8V)."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump capacitor."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_out",
        "description": "+5.5V generated by the charge pump, with a reservoir capacitor connected."
      },
      {
        "number": "4",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal of the voltage-doubler charge-pump capacitor."
      },
      {
        "number": "5",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of the inverting charge-pump capacitor."
      },
      {
        "number": "6",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the inverting charge-pump capacitor."
      },
      {
        "number": "7",
        "name": "V-",
        "type": "power_out",
        "description": "-5.5V generated by the charge pump, with a reservoir capacitor connected."
      },
      {
        "number": "8",
        "name": "T2OUT",
        "type": "output",
        "description": "RS-232 transmitter 2 output, high-impedance in shutdown and tolerant of being driven up to ±12V in shutdown."
      },
      {
        "number": "9",
        "name": "R2IN",
        "type": "input",
        "description": "RS-232 receiver 2 input, ESD protected to ±15kV, absolute maximum ±25V."
      },
      {
        "number": "10",
        "name": "R2OUT",
        "type": "tri_state",
        "description": "TTL/CMOS receiver 2 output, three-state via EN and active in shutdown."
      },
      {
        "number": "11",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "12",
        "name": "T2IN",
        "type": "input",
        "description": "TTL/CMOS transmitter 2 input with no pullup resistor; connect unused input to GND or VCC."
      },
      {
        "number": "13",
        "name": "T1IN",
        "type": "input",
        "description": "TTL/CMOS transmitter 1 input with no pullup resistor; connect unused input to GND or VCC."
      },
      {
        "number": "14",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "15",
        "name": "R1OUT",
        "type": "tri_state",
        "description": "TTL/CMOS receiver 1 output, three-state via EN and active in shutdown."
      },
      {
        "number": "16",
        "name": "R1IN",
        "type": "input",
        "description": "RS-232 receiver 1 input, ESD protected to ±15kV, absolute maximum ±25V."
      },
      {
        "number": "17",
        "name": "T1OUT",
        "type": "output",
        "description": "RS-232 transmitter 1 output, high-impedance in shutdown and tolerant of being driven up to ±12V in shutdown."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "19",
        "name": "VCC",
        "type": "power_in",
        "description": "+3.0V to +5.5V supply voltage."
      },
      {
        "number": "20",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown control, active low; SHDN = GND disables transmitters and charge pump for 1µA supply current while receivers stay active."
      }
    ],
    "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: Both pins are listed as T_OUT for the 20-pin TSSOP, but the flattened pin-description table does not; Both pins are R_IN, but the extracted text does not show which is R1IN and which is R2IN.; Both pins are R_OUT, but the extracted text does not show which is R1OUT and which is R2OUT."
        ],
        "pages_sent": 13,
        "cost_usd": 0.0995,
        "at": "2026-10-18T02:30:44"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881499563573248",
        "pages": 22,
        "sha256": "20eaa43b0891f3bc",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "max3222eeup-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max3222eeup-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
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          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "750cc0525d26df6a4c6aaa0e16897ecfc4e9d32a213a0773fb7f9a317354850f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}