DS25BR440TSQ

{
  "slug": "ds25br440tsq",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments LVDS ICs, QFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "ds25br440tsq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds25br440tsq.kicad_sym",
    "ds25br440tsq.kicad_mod",
    "ds25br440tsq.glb",
    "ds25br440tsq.step",
    "ds25br440tsq.lbr",
    "docs/hero.png",
    "docs/ds25br440tsq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ds25br440tsq-hero.glb",
    "ds25br440tsq-hero.overlay.json",
    "ds25br440tsq-etched.glb"
  ],
  "component": {
    "mpn": "DS25BR440TSQ",
    "manufacturer": "Texas Instruments",
    "package": "QFN-40-EP(6x6)",
    "pin_count": 41,
    "category": "Interface ICs",
    "subcategory": "LVDS ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ds25br440tsq.pdf",
    "parts": {
      "symbol": "ds25br440tsq.kicad_sym",
      "footprint": "ds25br440tsq.kicad_mod",
      "model_3d": "ds25br440tsq-hero.glb",
      "model_3d_plain": "ds25br440tsq-etched.glb",
      "model_3d_step": "ds25br440tsq-etched.step",
      "model_3d_step_plain": "ds25br440tsq.step",
      "lbr": "ds25br440tsq.lbr"
    },
    "distributor_links": {
      "lcsc": "C181335"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:27:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN0+",
        "type": "input",
        "description": "Non-inverting high speed LVDS input for channel 0, internally terminated with 100 Ω between IN+ and IN-."
      },
      {
        "number": "2",
        "name": "IN0-",
        "type": "input",
        "description": "Inverting high speed LVDS input for channel 0, internally terminated with 100 Ω between IN+ and IN-."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin, nominal 3.3 V with a recommended range of 3.0 V to 3.6 V."
      },
      {
        "number": "4",
        "name": "IN1+",
        "type": "input",
        "description": "Non-inverting high speed LVDS input for channel 1, internally terminated with 100 Ω between IN+ and IN-."
      },
      {
        "number": "5",
        "name": "IN1-",
        "type": "input",
        "description": "Inverting high speed LVDS input for channel 1, internally terminated with 100 Ω between IN+ and IN-."
      },
      {
        "number": "6",
        "name": "IN2+",
        "type": "input",
        "description": "Non-inverting high speed LVDS input for channel 2, internally terminated with 100 Ω between IN+ and IN-."
      },
      {
        "number": "7",
        "name": "IN2-",
        "type": "input",
        "description": "Inverting high speed LVDS input for channel 2, internally terminated with 100 Ω between IN+ and IN-."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin, nominal 3.3 V with a recommended range of 3.0 V to 3.6 V."
      },
      {
        "number": "9",
        "name": "IN3+",
        "type": "input",
        "description": "Non-inverting high speed LVDS input for channel 3, internally terminated with 100 Ω between IN+ and IN-."
      },
      {
        "number": "10",
        "name": "IN3-",
        "type": "input",
        "description": "Inverting high speed LVDS input for channel 3, internally terminated with 100 Ω between IN+ and IN-."
      },
      {
        "number": "11",
        "name": "EQ2",
        "type": "input",
        "description": "LVCMOS receive equalization level select for input IN2; L sets equalization OFF and H sets it ON."
      },
      {
        "number": "12",
        "name": "EQ3",
        "type": "input",
        "description": "LVCMOS receive equalization level select for input IN3; L sets equalization OFF and H sets it ON."
      },
      {
        "number": "13",
        "name": "LOS3",
        "type": "output",
        "description": "Open drain loss-of-signal output reporting an open input fault at IN3; external pull-up resistor required."
      },
      {
        "number": "14",
        "name": "LOS0",
        "type": "output",
        "description": "Open drain loss-of-signal output reporting an open input fault at IN0; external pull-up resistor required."
      },
      {
        "number": "15",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin, nominal 3.3 V with a recommended range of 3.0 V to 3.6 V."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, together with the exposed die attach pad (DAP) which is also ground."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin that may be left floating."
      },
      {
        "number": "18",
        "name": "PE3",
        "type": "input",
        "description": "LVCMOS transmit pre-emphasis level select for output OUT3; L sets pre-emphasis OFF and H sets it ON."
      },
      {
        "number": "19",
        "name": "PE2",
        "type": "input",
        "description": "LVCMOS transmit pre-emphasis level select for output OUT2; L sets pre-emphasis OFF and H sets it ON."
      },
      {
        "number": "20",
        "name": "PE1",
        "type": "input",
        "description": "LVCMOS transmit pre-emphasis level select for output OUT1; L sets pre-emphasis OFF and H sets it ON."
      },
      {
        "number": "21",
        "name": "OUT3-",
        "type": "output",
        "description": "Inverting high speed LVDS output for channel 3, with 100 Ω differential termination between OUT+ and OUT-."
      },
      {
        "number": "22",
        "name": "OUT3+",
        "type": "output",
        "description": "Non-inverting high speed LVDS output for channel 3, with 100 Ω differential termination between OUT+ and OUT-."
      },
      {
        "number": "23",
        "name": "OUT2-",
        "type": "output",
        "description": "Inverting high speed LVDS output for channel 2, with 100 Ω differential termination between OUT+ and OUT-."
      },
      {
        "number": "24",
        "name": "OUT2+",
        "type": "output",
        "description": "Non-inverting high speed LVDS output for channel 2, with 100 Ω differential termination between OUT+ and OUT-."
      },
      {
        "number": "25",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin, nominal 3.3 V with a recommended range of 3.0 V to 3.6 V."
      },
      {
        "number": "26",
        "name": "OUT1-",
        "type": "output",
        "description": "Inverting high speed LVDS output for channel 1, with 100 Ω differential termination between OUT+ and OUT-."
      },
      {
        "number": "27",
        "name": "OUT1+",
        "type": "output",
        "description": "Non-inverting high speed LVDS output for channel 1, with 100 Ω differential termination between OUT+ and OUT-."
      },
      {
        "number": "28",
        "name": "OUT0-",
        "type": "output",
        "description": "Inverting high speed LVDS output for channel 0, with 100 Ω differential termination between OUT+ and OUT-."
      },
      {
        "number": "29",
        "name": "OUT0+",
        "type": "output",
        "description": "Non-inverting high speed LVDS output for channel 0, with 100 Ω differential termination between OUT+ and OUT-."
      },
      {
        "number": "30",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin, nominal 3.3 V with a recommended range of 3.0 V to 3.6 V."
      },
      {
        "number": "31",
        "name": "PE0",
        "type": "input",
        "description": "LVCMOS transmit pre-emphasis level select for output OUT0; L sets pre-emphasis OFF and H sets it ON."
      },
      {
        "number": "32",
        "name": "PWDN3",
        "type": "input",
        "description": "LVCMOS channel output power down pin for OUT3; when set to L, output OUT3 is powered down while the LOS circuitry on IN3 remains enabled."
      },
      {
        "number": "33",
        "name": "PWDN2",
        "type": "input",
        "description": "LVCMOS channel output power down pin for OUT2; when set to L, output OUT2 is powered down while the LOS circuitry on IN2 remains enabled."
      },
      {
        "number": "34",
        "name": "PWDN1",
        "type": "input",
        "description": "LVCMOS channel output power down pin for OUT1; when set to L, output OUT1 is powered down while the LOS circuitry on IN1 remains enabled."
      },
      {
        "number": "35",
        "name": "PWDN0",
        "type": "input",
        "description": "LVCMOS channel output power down pin for OUT0; when set to L, output OUT0 is powered down while the LOS circuitry on IN0 remains enabled."
      },
      {
        "number": "36",
        "name": "LOS2",
        "type": "output",
        "description": "Open drain loss-of-signal output reporting an open input fault at IN2; external pull-up resistor required."
      },
      {
        "number": "37",
        "name": "LOS1",
        "type": "output",
        "description": "Open drain loss-of-signal output reporting an open input fault at IN1; external pull-up resistor required."
      },
      {
        "number": "38",
        "name": "PWDN",
        "type": "input",
        "description": "Device power down pin; when set to L, the device is in power down mode and the LOS circuitry is disabled as well."
      },
      {
        "number": "39",
        "name": "EQ1",
        "type": "input",
        "description": "LVCMOS receive equalization level select for input IN1; L sets equalization OFF and H sets it ON."
      },
      {
        "number": "40",
        "name": "EQ0",
        "type": "input",
        "description": "LVCMOS receive equalization level select for input IN0; L sets equalization OFF and H sets it ON."
      },
      {
        "number": "41",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 numbers were taken from the PIN DESCRIPTIONS table on page 3 because the connection diagram text"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0366,
        "at": "2026-10-28T16:27:17"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ds25br440tsq.pdf",
        "pages": 18,
        "sha256": "bdcc2e95f36733ce",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 41,
        "described": 41,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ds25br440tsq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds25br440tsq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7462a065f0e26d4429017fa21f0f3006969b5dbdcd63eb6d24c0f6d28e3a90c7",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}