MAX3238CDBR

{
  "schema_version": 1,
  "type": "component",
  "slug": "max3238cdbr",
  "title": "MAX3238CDBR",
  "brief": "Texas Instruments RS232 ICs, SSOP-28-208mil. 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",
    "max3238cdbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MAX3238CDBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/max3238",
    "parts": {
      "symbol": "max3238cdbr.kicad_sym",
      "footprint": "max3238cdbr.kicad_mod",
      "model_3d": "max3238cdbr-hero.glb",
      "model_3d_plain": "max3238cdbr.glb",
      "model_3d_step": "max3238cdbr-etched.step",
      "model_3d_step_plain": "max3238cdbr.step",
      "lbr": "max3238cdbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2671413",
      "digikey": "296-9597-2-ND",
      "mouser": "595-MAX3238CDBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T23:01:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-9597-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-MAX3238CDBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of charge-pump capacitor C2, which connects between C2+ and C2−; the capacitor value depends on VCC per the table on page 10."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Network ground; all device voltages are referenced to this pin."
      },
      {
        "number": "3",
        "name": "C2−",
        "type": "passive",
        "description": "Negative terminal of charge-pump capacitor C2, connected to C2+."
      },
      {
        "number": "4",
        "name": "V−",
        "type": "power_out",
        "description": "Negative charge-pump output supply; the absolute maximum range is printed as 0.3 V to −7 V with respect to network GND."
      },
      {
        "number": "5",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 driver 1 output, with output voltage range −13.2 V to 13.2 V and high impedance when powered off."
      },
      {
        "number": "6",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 driver 2 output, with output voltage range −13.2 V to 13.2 V and high impedance when powered off."
      },
      {
        "number": "7",
        "name": "DOUT3",
        "type": "output",
        "description": "RS-232 driver 3 output, with output voltage range −13.2 V to 13.2 V and high impedance when powered off."
      },
      {
        "number": "8",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver 1 input, rated −25 V to 25 V with input resistance of 3 kΩ to 7 kΩ."
      },
      {
        "number": "9",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver 2 input, rated −25 V to 25 V with input resistance of 3 kΩ to 7 kΩ."
      },
      {
        "number": "10",
        "name": "DOUT4",
        "type": "output",
        "description": "RS-232 driver 4 output, with output voltage range −13.2 V to 13.2 V and high impedance when powered off."
      },
      {
        "number": "11",
        "name": "RIN3",
        "type": "input",
        "description": "RS-232 receiver 3 input, rated −25 V to 25 V with input resistance of 3 kΩ to 7 kΩ."
      },
      {
        "number": "12",
        "name": "DOUT5",
        "type": "output",
        "description": "RS-232 driver 5 output, with output voltage range −13.2 V to 13.2 V and high impedance when powered off."
      },
      {
        "number": "13",
        "name": "FORCEON",
        "type": "input",
        "description": "Auto-powerdown plus control: auto-powerdown plus is active when FORCEON is low and FORCEOFF is high, and disabled when both are high; input range 0 V to 5.5 V."
      },
      {
        "number": "14",
        "name": "FORCEOFF",
        "type": "input",
        "description": "Active-low driver shutdown: when low, drivers and charge pump are powered off with outputs in high impedance; input range 0 V to 5.5 V."
      },
      {
        "number": "15",
        "name": "INVALID",
        "type": "output",
        "description": "Output high when any receiver input is valid (above 2.7 V or below −2.7 V), and low when all receiver inputs stay between −0.3 V and 0.3 V for more than 30 µs; VOH is VCC − 0.6 V minimum."
      },
      {
        "number": "16",
        "name": "ROUT1B",
        "type": "output",
        "description": "Always-active noninverting receiver output (RIN1 to ROUT1B) that remains active when the device is powered off by FORCEOFF."
      },
      {
        "number": "17",
        "name": "DIN5",
        "type": "input",
        "description": "Driver 5 logic input with VIH of 2 V (VCC = 3.3 V) or 2.4 V (VCC = 5 V), VIL 0.8 V maximum, and input range 0 V to 5.5 V."
      },
      {
        "number": "18",
        "name": "ROUT3",
        "type": "output",
        "description": "CMOS receiver 3 output, with VOH of VCC − 0.6 V minimum at −1 mA and VOL 0.4 V maximum at 1.6 mA."
      },
      {
        "number": "19",
        "name": "DIN4",
        "type": "input",
        "description": "Driver 4 logic input with VIH of 2 V (VCC = 3.3 V) or 2.4 V (VCC = 5 V), VIL 0.8 V maximum, and input range 0 V to 5.5 V."
      },
      {
        "number": "20",
        "name": "ROUT2",
        "type": "output",
        "description": "CMOS receiver 2 output, with VOH of VCC − 0.6 V minimum at −1 mA and VOL 0.4 V maximum at 1.6 mA."
      },
      {
        "number": "21",
        "name": "ROUT1",
        "type": "output",
        "description": "CMOS receiver 1 output, with VOH of VCC − 0.6 V minimum at −1 mA and VOL 0.4 V maximum at 1.6 mA."
      },
      {
        "number": "22",
        "name": "DIN3",
        "type": "input",
        "description": "Driver 3 logic input with VIH of 2 V (VCC = 3.3 V) or 2.4 V (VCC = 5 V), VIL 0.8 V maximum, and input range 0 V to 5.5 V."
      },
      {
        "number": "23",
        "name": "DIN2",
        "type": "input",
        "description": "Driver 2 logic input with VIH of 2 V (VCC = 3.3 V) or 2.4 V (VCC = 5 V), VIL 0.8 V maximum, and input range 0 V to 5.5 V."
      },
      {
        "number": "24",
        "name": "DIN1",
        "type": "input",
        "description": "Driver 1 logic input with VIH of 2 V (VCC = 3.3 V) or 2.4 V (VCC = 5 V), VIL 0.8 V maximum, and input range 0 V to 5.5 V."
      },
      {
        "number": "25",
        "name": "C1−",
        "type": "passive",
        "description": "Negative terminal of charge-pump capacitor C1, connected to C1+."
      },
      {
        "number": "26",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 3 V to 5.5 V recommended operating range, bypassed with 0.1 µF per the typical circuit."
      },
      {
        "number": "27",
        "name": "V+",
        "type": "power_out",
        "description": "Positive charge-pump output supply; the absolute maximum range is −0.3 V to 7 V with respect to network GND."
      },
      {
        "number": "28",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of charge-pump capacitor C1, which connects between C1+ and C1−; the capacitor value depends on VCC per the table on page 10."
      }
    ],
    "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 does not state a 208 mil body width anywhere in the text; it only gives SSOP (DB) 28-p; The pin-to-name assignment was inferred from the column order of the extracted top-view text (left 1; Page 4 prints the V− absolute maximum as '0.3 V to −7 V' with the minus sign missing on the first va",
          "8/28 pins cited to the wrong page (name found elsewhere): ['8:RIN1@p6', '9:RIN2@p6', '11:RIN3@p6', '18:ROUT3@p6']"
        ],
        "pages_sent": 19,
        "cost_usd": 0.1196,
        "at": "2026-10-08T23:00:29"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/max3238",
        "pages": 19,
        "sha256": "eac40e856c766465",
        "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"
    },
    "models_3d": [
      {
        "file": "max3238cdbr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max3238cdbr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "44923e3725044e68f6bb91001680ce751cf958341dfce5110968291d49963970",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SSOP-28-208mil",
      "Category": "Interface",
      "Pins": "28"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "max3238cdbr"
  ],
  "discovery_pitch": "MAX3238CDBR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "max3238cdbr.glb",
    "max3238cdbr.step",
    "max3238cdbr.lbr",
    "docs/hero.png",
    "docs/max3238cdbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max3238cdbr-hero.glb",
    "max3238cdbr-hero.overlay.json"
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  "visibility": {
    "public": true
  }
}