TRS3243IDBR

{
  "slug": "trs3243idbr",
  "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",
    "trs3243idbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "trs3243idbr.kicad_sym",
    "trs3243idbr.kicad_mod",
    "trs3243idbr.glb",
    "trs3243idbr.step",
    "trs3243idbr.lbr",
    "docs/hero.png",
    "docs/trs3243idbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "trs3243idbr-hero.glb",
    "trs3243idbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TRS3243IDBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/trs3243",
    "parts": {
      "symbol": "trs3243idbr.kicad_sym",
      "footprint": "trs3243idbr.kicad_mod",
      "model_3d": "trs3243idbr-hero.glb",
      "model_3d_plain": "trs3243idbr.glb",
      "model_3d_step": "trs3243idbr-etched.step",
      "model_3d_step_plain": "trs3243idbr.step",
      "lbr": "trs3243idbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2872593",
      "digikey": "296-25058-2-ND",
      "mouser": "595-TRS3243IDBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T17:06:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-25058-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TRS3243IDBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump capacitor, with the capacitor value set per the VCC versus capacitor table (Table 9-1)."
      },
      {
        "number": "2",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the voltage-doubler charge-pump capacitor, with the capacitor value set per the VCC versus capacitor table (Table 9-1)."
      },
      {
        "number": "3",
        "name": "V-",
        "type": "power_out",
        "description": "Negative charge-pump output voltage; the V- supply is rated to -7 V absolute maximum and the V+ - V- difference to 13 V."
      },
      {
        "number": "4",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver input with a recommended input range of -25 V to 25 V and an input resistance of 3 kΩ to 7 kΩ."
      },
      {
        "number": "5",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver input with a recommended input range of -25 V to 25 V and an input resistance of 3 kΩ to 7 kΩ; it also feeds the always-active ROUT2B output."
      },
      {
        "number": "6",
        "name": "RIN3",
        "type": "input",
        "description": "RS-232 receiver input with a recommended input range of -25 V to 25 V and an input resistance of 3 kΩ to 7 kΩ."
      },
      {
        "number": "7",
        "name": "RIN4",
        "type": "input",
        "description": "RS-232 receiver input with a recommended input range of -25 V to 25 V and an input resistance of 3 kΩ to 7 kΩ."
      },
      {
        "number": "8",
        "name": "RIN5",
        "type": "input",
        "description": "RS-232 receiver input with a recommended input range of -25 V to 25 V and an input resistance of 3 kΩ to 7 kΩ."
      },
      {
        "number": "9",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 driver output with an absolute output range of -13.2 V to 13.2 V; it is high impedance when the device is powered off."
      },
      {
        "number": "10",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 driver output with an absolute output range of -13.2 V to 13.2 V; it is high impedance when the device is powered off."
      },
      {
        "number": "11",
        "name": "DOUT3",
        "type": "output",
        "description": "RS-232 driver output with an absolute output range of -13.2 V to 13.2 V; it is high impedance when the device is powered off."
      },
      {
        "number": "12",
        "name": "DIN3",
        "type": "input",
        "description": "Driver logic input with a 0 V to 5.5 V input range, VIL maximum of 0.8 V, and VIH minimum of 2 V at VCC = 3.3 V or 2.4 V at VCC = 5 V."
      },
      {
        "number": "13",
        "name": "DIN2",
        "type": "input",
        "description": "Driver logic input with a 0 V to 5.5 V input range, VIL maximum of 0.8 V, and VIH minimum of 2 V at VCC = 3.3 V or 2.4 V at VCC = 5 V."
      },
      {
        "number": "14",
        "name": "DIN1",
        "type": "input",
        "description": "Driver logic input with a 0 V to 5.5 V input range, VIL maximum of 0.8 V, and VIH minimum of 2 V at VCC = 3.3 V or 2.4 V at VCC = 5 V."
      },
      {
        "number": "15",
        "name": "ROUT5",
        "type": "output",
        "description": "Receiver logic output that goes high for an open receiver input and is high impedance when the device is powered off."
      },
      {
        "number": "16",
        "name": "ROUT4",
        "type": "output",
        "description": "Receiver logic output that goes high for an open receiver input and is high impedance when the device is powered off."
      },
      {
        "number": "17",
        "name": "ROUT3",
        "type": "output",
        "description": "Receiver logic output that goes high for an open receiver input and is high impedance when the device is powered off."
      },
      {
        "number": "18",
        "name": "ROUT2",
        "type": "output",
        "description": "Receiver logic output that goes high for an open receiver input and is high impedance when the device is powered off."
      },
      {
        "number": "19",
        "name": "ROUT1",
        "type": "output",
        "description": "Receiver logic output that goes high for an open receiver input and is high impedance when the device is powered off."
      },
      {
        "number": "20",
        "name": "ROUT2B",
        "type": "output",
        "description": "Always-active noninverting output of the RIN2 input that stays enabled while the device is powered down, allowing ring-indicator data transmission."
      },
      {
        "number": "21",
        "name": "INVALID",
        "type": "output",
        "description": "Invalid-signal output that is high when any RIN input is a valid RS-232 level (above 2.7 V or below -2.7 V, or within ±0.3 V for less than 30 µs) and low when all RIN inputs are invalid."
      },
      {
        "number": "22",
        "name": "FORCEOFF",
        "type": "input",
        "description": "Auto power-down control input with a 0 V to 5.5 V range; driving it low powers off all drivers and receivers except ROUT2B and reduces supply current to 1 µA."
      },
      {
        "number": "23",
        "name": "FORCEON",
        "type": "input",
        "description": "Auto power-down control input with a 0 V to 5.5 V range; driving it high overrides automatic power down and keeps the drivers active."
      },
      {
        "number": "24",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal of the voltage-doubler charge-pump capacitor, with the capacitor value set per the VCC versus capacitor table (Table 9-1)."
      },
      {
        "number": "25",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device and the RS-232 serial-port connection."
      },
      {
        "number": "26",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage of 3 V to 5.5 V (6 V absolute maximum)."
      },
      {
        "number": "27",
        "name": "V+",
        "type": "power_out",
        "description": "Positive charge-pump output voltage; absolute maximum rating of 7 V."
      },
      {
        "number": "28",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump capacitor, with the capacitor value set per the VCC versus capacitor table (Table 9-1)."
      }
    ],
    "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: Pin 1 to 28 assignments and names come from the Pin Configuration figure and Table 5-1, which agree ; The datasheet does not give an electrical type for the charge-pump capacitor terminals (C1+, C1-, C2; The datasheet's pin table for ROUT2B (pin 20) is truncated at 'Always-active noninverting receiver o"
        ],
        "pages_sent": 26,
        "cost_usd": 0.114,
        "at": "2026-10-08T17:06:13"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/trs3243",
        "pages": 26,
        "sha256": "fe9a6533b614250b",
        "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": [
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        "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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "trs3243idbr-etched.step",
        "role": "eda",
        "up": "Z",
        "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": "2777aa548ef1e415d4534e2dbadbd983b4ef4920968fa682fe9e731b2005ad24",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}