MAX3221CUE+T

{
  "slug": "max3221cue-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Maxim Integrated RS232 ICs, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "max3221cue+t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max3221cue-t.kicad_sym",
    "max3221cue-t.kicad_mod",
    "max3221cue-t.glb",
    "max3221cue-t.step",
    "max3221cue-t.lbr",
    "docs/hero.png",
    "docs/max3221cue-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max3221cue-t-hero.glb",
    "max3221cue-t-hero.overlay.json",
    "max3221cue-t-etched.glb"
  ],
  "component": {
    "mpn": "MAX3221CUE+T",
    "manufacturer": "Maxim Integrated",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Interface ICs",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/max3221-max3243.pdf",
    "parts": {
      "symbol": "max3221cue-t.kicad_sym",
      "footprint": "max3221cue-t.kicad_mod",
      "model_3d": "max3221cue-t-hero.glb",
      "model_3d_plain": "max3221cue-t-etched.glb",
      "model_3d_step": "max3221cue-t-etched.step",
      "model_3d_step_plain": "max3221cue-t.step",
      "lbr": "max3221cue-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C559499",
      "digikey": "MAX3221CUE+TTR-ND",
      "mouser": "700-MAX3221CUET"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:39:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MAX3221CUE+TTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "700-MAX3221CUET",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Receiver Enable Control: drive low for normal operation and high to force the receiver outputs into a high-Z state."
      },
      {
        "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, regardless of VCC over the +3.0V to +5.5V range."
      },
      {
        "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 inverting charge pump, regardless of VCC over the +3.0V to +5.5V range."
      },
      {
        "number": "8",
        "name": "R1IN",
        "type": "input",
        "description": "RS-232 receiver input, with a voltage range of -25V to +25V and a typical input resistance of 3 to 7 kΩ."
      },
      {
        "number": "9",
        "name": "R1OUT",
        "type": "output",
        "description": "TTL/CMOS receiver output, inverting and three-state, that is active in shutdown and AutoShutdown."
      },
      {
        "number": "10",
        "name": "INVALID",
        "type": "output",
        "description": "Output of the valid signal detector that is high when a valid RS-232 level is present on the receiver inputs."
      },
      {
        "number": "11",
        "name": "T1IN",
        "type": "input",
        "description": "TTL/CMOS transmitter input, which the transmitter inverts to RS-232 levels of ±5.0V minimum."
      },
      {
        "number": "12",
        "name": "FORCEON",
        "type": "input",
        "description": "Drive high to override the automatic circuitry and keep the transmitters on (FORCEOFF must be high)."
      },
      {
        "number": "13",
        "name": "T1OUT",
        "type": "output",
        "description": "RS-232 transmitter output with a swing of ±5.0V minimum into a 3kΩ load and ±60mA typical short-circuit current."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input of +3.0V to +5.5V."
      },
      {
        "number": "16",
        "name": "FORCEOFF",
        "type": "input",
        "description": "Drive low to shut down the transmitters and the on-board power supply, overriding all automatic circuitry and FORCEON."
      }
    ],
    "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: MAX3221CUE+T is marked as a future product (†) in the Ordering Information table, so availability sh",
          "2/16 pins cited to the wrong page (name found elsewhere): ['8:R1IN@p5', '9:R1OUT@p5']"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0269,
        "at": "2026-10-30T22:39:07"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/max3221-max3243.pdf",
        "pages": 16,
        "sha256": "4b10ea08c7155060",
        "source_tier": "mfr"
      },
      "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": "max3221cue-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max3221cue-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5f0138a179e159f928961d7ae218d0ea0dec1198c15b24e83fcfb2ef7c30f805",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}