TRS3243EIDWR

{
  "slug": "trs3243eidwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments RS232 ICs, SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "trs3243eidwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "trs3243eidwr.kicad_sym",
    "trs3243eidwr.kicad_mod",
    "trs3243eidwr.glb",
    "trs3243eidwr.step",
    "trs3243eidwr.lbr",
    "docs/hero.png",
    "docs/trs3243eidwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "trs3243eidwr-hero.glb",
    "trs3243eidwr-hero.overlay.json"
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  "component": {
    "mpn": "TRS3243EIDWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-28-300mil",
    "pin_count": 28,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/trs3243e",
    "parts": {
      "symbol": "trs3243eidwr.kicad_sym",
      "footprint": "trs3243eidwr.kicad_mod",
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      "model_3d_plain": "trs3243eidwr.glb",
      "model_3d_step": "trs3243eidwr-etched.step",
      "model_3d_step_plain": "trs3243eidwr.step",
      "lbr": "trs3243eidwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2671686",
      "digikey": "296-25056-2-ND",
      "mouser": "595-TRS3243EIDWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T23:00:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-25056-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TRS3243EIDWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump capacitor (external 0.1 µF capacitor per the datasheet's 4 × 0.1 µF guidance)."
      },
      {
        "number": "2",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the voltage-doubler charge-pump capacitor."
      },
      {
        "number": "3",
        "name": "V-",
        "type": "power_out",
        "description": "Negative charge-pump output voltage; absolute maximum V- is -7 V with respect to network GND."
      },
      {
        "number": "4",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver input; absolute maximum receiver input range is -25 V to 25 V."
      },
      {
        "number": "5",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver input; absolute maximum receiver input range is -25 V to 25 V."
      },
      {
        "number": "6",
        "name": "RIN3",
        "type": "input",
        "description": "RS-232 receiver input; absolute maximum receiver input range is -25 V to 25 V."
      },
      {
        "number": "7",
        "name": "RIN4",
        "type": "input",
        "description": "RS-232 receiver input; absolute maximum receiver input range is -25 V to 25 V."
      },
      {
        "number": "8",
        "name": "RIN5",
        "type": "input",
        "description": "RS-232 receiver input; absolute maximum receiver input range is -25 V to 25 V."
      },
      {
        "number": "9",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 driver output; absolute maximum driver output voltage is ±13.2 V."
      },
      {
        "number": "10",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 driver output; absolute maximum driver output voltage is ±13.2 V."
      },
      {
        "number": "11",
        "name": "DOUT3",
        "type": "output",
        "description": "RS-232 driver output; absolute maximum driver output voltage is ±13.2 V."
      },
      {
        "number": "12",
        "name": "DIN3",
        "type": "input",
        "description": "Driver input; absolute maximum driver input voltage is -0.3 V to 6 V."
      },
      {
        "number": "13",
        "name": "DIN2",
        "type": "input",
        "description": "Driver input; absolute maximum driver input voltage is -0.3 V to 6 V."
      },
      {
        "number": "14",
        "name": "DIN1",
        "type": "input",
        "description": "Driver input; absolute maximum driver input voltage is -0.3 V to 6 V."
      },
      {
        "number": "15",
        "name": "ROUT5",
        "type": "output",
        "description": "Receiver output; absolute maximum receiver output voltage range is -0.3 V to VCC + 0.3 V."
      },
      {
        "number": "16",
        "name": "ROUT4",
        "type": "output",
        "description": "Receiver output; absolute maximum receiver output voltage range is -0.3 V to VCC + 0.3 V."
      },
      {
        "number": "17",
        "name": "ROUT3",
        "type": "output",
        "description": "Receiver output; absolute maximum receiver output voltage range is -0.3 V to VCC + 0.3 V."
      },
      {
        "number": "18",
        "name": "ROUT2",
        "type": "output",
        "description": "Receiver output; absolute maximum receiver output voltage range is -0.3 V to VCC + 0.3 V."
      },
      {
        "number": "19",
        "name": "ROUT1",
        "type": "output",
        "description": "Receiver output; absolute maximum receiver output voltage range is -0.3 V to VCC + 0.3 V."
      },
      {
        "number": "20",
        "name": "ROUT2B",
        "type": "output",
        "description": "Always-active noninverting receiver output, which remains available for ring-indicator wake-up when the device is powered down."
      },
      {
        "number": "21",
        "name": "INVALID",
        "type": "output",
        "description": "Invalid output pin that indicates when no valid RS-232 level is detected on the receiver inputs."
      },
      {
        "number": "22",
        "name": "FORCEOFF",
        "type": "input",
        "description": "Auto-powerdown control input (see truth table); absolute maximum input voltage is -0.3 V to 6 V."
      },
      {
        "number": "23",
        "name": "FORCEON",
        "type": "input",
        "description": "Auto-powerdown control input (see truth table); absolute maximum input voltage is -0.3 V to 6 V."
      },
      {
        "number": "24",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal of the voltage-doubler charge-pump capacitor."
      },
      {
        "number": "25",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; all voltages are referenced to network GND."
      },
      {
        "number": "26",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; 3 V to 5.5 V."
      },
      {
        "number": "27",
        "name": "V+",
        "type": "power_out",
        "description": "Positive charge-pump output voltage; absolute maximum V+ is 7 V with respect to network GND."
      },
      {
        "number": "28",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump capacitor."
      }
    ],
    "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 28-pin pin table (page 3) is shared by the DB (SSOP), DW (SOIC) and PW (TSSOP) packages; the dat; Pin 20 (ROUT2B) description is truncated in the source table ('Always-active noninverting receiver o; The datasheet's Table 5-1 lists the receiver output and driver output pins with type O and the charg"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0716,
        "at": "2026-10-08T22:59:54"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/trs3243e",
        "pages": 32,
        "sha256": "d01e3de0617eb95b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b889a13dbe9ec59e79fa9f1b5118b00bfa54f9582392335ff3365b64afc264b1",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "trs3243eidwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "a089ba9a51f9e265b03d20552411b36b7a3b3c53cf19b033c01a579cdf8640dd",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}