MAX3237ECDBR

{
  "slug": "max3237ecdbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments RS232 ICs, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "max3237ecdbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max3237ecdbr.kicad_sym",
    "max3237ecdbr.kicad_mod",
    "max3237ecdbr.glb",
    "max3237ecdbr.step",
    "max3237ecdbr.lbr",
    "docs/hero.png",
    "docs/max3237ecdbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max3237ecdbr-hero.glb",
    "max3237ecdbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "MAX3237ECDBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/max3237e",
    "parts": {
      "symbol": "max3237ecdbr.kicad_sym",
      "footprint": "max3237ecdbr.kicad_mod",
      "model_3d": "max3237ecdbr-hero.glb",
      "model_3d_plain": "max3237ecdbr.glb",
      "model_3d_step": "max3237ecdbr-etched.step",
      "model_3d_step_plain": "max3237ecdbr.step",
      "lbr": "max3237ecdbr.lbr"
    },
    "distributor_links": {
      "lcsc": 2864027,
      "digikey": "MAX3237ECDBRTR-ND",
      "mouser": "595-MAX3237ECDBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T06:53:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MAX3237ECDBRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-MAX3237ECDBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal for external 0.1µF charge pump capacitor."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all supplies and logic signals."
      },
      {
        "number": "3",
        "name": "C2−",
        "type": "passive",
        "description": "Negative terminal for external 0.1µF charge pump capacitor."
      },
      {
        "number": "4",
        "name": "V−",
        "type": "power_out",
        "description": "Negative supply output from charge pump, range 0 to -7V with respect to GND."
      },
      {
        "number": "5",
        "name": "DOUT1",
        "type": "tri_state",
        "description": "RS-232 driver output 1, ±5.4V maximum, high-impedance when SHDN=GND."
      },
      {
        "number": "6",
        "name": "DOUT2",
        "type": "tri_state",
        "description": "RS-232 driver output 2, ±5.4V maximum, high-impedance when SHDN=GND."
      },
      {
        "number": "7",
        "name": "DOUT3",
        "type": "tri_state",
        "description": "RS-232 driver output 3, ±5.4V maximum, high-impedance when SHDN=GND."
      },
      {
        "number": "8",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver input 1, accepts -25V to +25V with 2V threshold at VCC=5V."
      },
      {
        "number": "9",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver input 2, accepts -25V to +25V with 2V threshold at VCC=5V."
      },
      {
        "number": "10",
        "name": "DOUT4",
        "type": "tri_state",
        "description": "RS-232 driver output 4, ±5.4V maximum, high-impedance when SHDN=GND."
      },
      {
        "number": "11",
        "name": "RIN3",
        "type": "input",
        "description": "RS-232 receiver input 3, accepts -25V to +25V with 2V threshold at VCC=5V."
      },
      {
        "number": "12",
        "name": "DOUT5",
        "type": "tri_state",
        "description": "RS-232 driver output 5, ±5.4V maximum, high-impedance when SHDN=GND."
      },
      {
        "number": "13",
        "name": "EN",
        "type": "input",
        "description": "Receiver output enable control input; high disables ROUT outputs except ROUT1B."
      },
      {
        "number": "14",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown control input; low disables drivers and charge pump reducing supply current to less than 1mA."
      },
      {
        "number": "15",
        "name": "MBAUD",
        "type": "input",
        "description": "Baud rate selection input; GND selects 250kbaud, VCC selects 1Mbaud operation."
      },
      {
        "number": "16",
        "name": "ROUT1B",
        "type": "output",
        "description": "Receiver output 1B, TTL/CMOS logic level, always active regardless of EN and SHDN state."
      },
      {
        "number": "17",
        "name": "DIN5",
        "type": "input",
        "description": "TTL/CMOS driver input 5, logic levels VIH=2V minimum, VIL=0.8V maximum."
      },
      {
        "number": "18",
        "name": "ROUT3",
        "type": "tri_state",
        "description": "Receiver output 3, TTL/CMOS logic level VOL=0.4V, disabled when EN=VCC."
      },
      {
        "number": "19",
        "name": "DIN4",
        "type": "input",
        "description": "TTL/CMOS driver input 4, logic levels VIH=2V minimum, VIL=0.8V maximum."
      },
      {
        "number": "20",
        "name": "ROUT2",
        "type": "tri_state",
        "description": "Receiver output 2, TTL/CMOS logic level VOL=0.4V, disabled when EN=VCC."
      },
      {
        "number": "21",
        "name": "ROUT1",
        "type": "tri_state",
        "description": "Receiver output 1, TTL/CMOS logic level VOL=0.4V, disabled when EN=VCC."
      },
      {
        "number": "22",
        "name": "DIN3",
        "type": "input",
        "description": "TTL/CMOS driver input 3, logic levels VIH=2V minimum, VIL=0.8V maximum."
      },
      {
        "number": "23",
        "name": "DIN2",
        "type": "input",
        "description": "TTL/CMOS driver input 2, logic levels VIH=2V minimum, VIL=0.8V maximum."
      },
      {
        "number": "24",
        "name": "DIN1",
        "type": "input",
        "description": "TTL/CMOS driver input 1, logic levels VIH=2V minimum, VIL=0.8V maximum."
      },
      {
        "number": "25",
        "name": "C1−",
        "type": "passive",
        "description": "Negative terminal for external 0.1µF charge pump capacitor."
      },
      {
        "number": "26",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply input voltage, 3V to 5.5V recommended operating range."
      },
      {
        "number": "27",
        "name": "V+",
        "type": "power_out",
        "description": "Positive supply output from internal charge pump, 3V to 7V typical with respect to GND."
      },
      {
        "number": "28",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal for external 0.1µF charge pump capacitor."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 20,
        "cost_usd": 0.1742,
        "at": "2026-10-03T06:53:31"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/max3237e",
        "pages": 20,
        "sha256": "3c7a0153f3fbbd48",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}