DS90UB949TRGCRQ1

{
  "slug": "ds90ub949trgcrq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Serializers / Deserializers, VQFN-64-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "ds90ub949trgcrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds90ub949trgcrq1.kicad_sym",
    "ds90ub949trgcrq1.kicad_mod",
    "ds90ub949trgcrq1.glb",
    "ds90ub949trgcrq1.step",
    "ds90ub949trgcrq1.lbr",
    "docs/hero.png",
    "docs/ds90ub949trgcrq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ds90ub949trgcrq1-hero.glb",
    "ds90ub949trgcrq1-hero.overlay.json"
  ],
  "component": {
    "mpn": "DS90UB949TRGCRQ1",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-64-EP(9x9)",
    "pin_count": 65,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Serializers / Deserializers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ds90ub949-q1",
    "parts": {
      "symbol": "ds90ub949trgcrq1.kicad_sym",
      "footprint": "ds90ub949trgcrq1.kicad_mod",
      "model_3d": "ds90ub949trgcrq1-hero.glb",
      "model_3d_plain": "ds90ub949trgcrq1.glb",
      "model_3d_step": "ds90ub949trgcrq1-etched.step",
      "model_3d_step_plain": "ds90ub949trgcrq1.step",
      "lbr": "ds90ub949trgcrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2652228",
      "digikey": "296-48910-2-ND",
      "mouser": "595-DS90UB949TRGCRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T03:12:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-48910-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DS90UB949TRGCRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CEC",
        "type": "bidirectional",
        "description": "Open-drain Consumer Electronic Control channel I/O; pull up with a 27-kΩ resistor to 3.3 V."
      },
      {
        "number": "2",
        "name": "RES0",
        "type": "passive",
        "description": "Reserved; tie to GND."
      },
      {
        "number": "3",
        "name": "VDDIO",
        "type": "power_in",
        "description": "1.8-V (±5%) IO supply."
      },
      {
        "number": "4",
        "name": "GPIO0/SDIN",
        "type": "bidirectional",
        "description": "LVCMOS BCC GPIO0, shared with master-mode auxiliary I2S data input SDIN."
      },
      {
        "number": "5",
        "name": "GPIO1/SWC",
        "type": "bidirectional",
        "description": "LVCMOS BCC GPIO1, shared with master-mode I2S word clock output SWC."
      },
      {
        "number": "6",
        "name": "I2CSEL/SCLK",
        "type": "bidirectional",
        "description": "I2C voltage strap read at power-up (10-kΩ to VDDIO for 1.8-V I2C, float for 3.3-V I2C), then switches to master-mode I2S clock output SCLK."
      },
      {
        "number": "7",
        "name": "VDDL11",
        "type": "power_in",
        "description": "1.1-V (±5%) digital supply."
      },
      {
        "number": "8",
        "name": "D_GPIO0/MOSI",
        "type": "bidirectional",
        "description": "LVCMOS high-speed GPIO0 shared with SPI MOSI (dual-link mode only)."
      },
      {
        "number": "9",
        "name": "VDDA11",
        "type": "power_in",
        "description": "1.1-V (±5%) analog supply."
      },
      {
        "number": "10",
        "name": "D_GPIO1/MISO",
        "type": "bidirectional",
        "description": "LVCMOS high-speed GPIO1 shared with SPI MISO (dual-link mode only)."
      },
      {
        "number": "11",
        "name": "D_GPIO2/SPLK",
        "type": "bidirectional",
        "description": "LVCMOS high-speed GPIO2 shared with SPI clock (dual-link mode only)."
      },
      {
        "number": "12",
        "name": "D_GPIO3/SS",
        "type": "bidirectional",
        "description": "LVCMOS high-speed GPIO3 shared with SPI slave select (dual-link mode only)."
      },
      {
        "number": "13",
        "name": "INTB",
        "type": "output",
        "description": "Open-drain active-low remote interrupt output; pull up to VDDIO with 4.7 kΩ."
      },
      {
        "number": "14",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Open-drain I2C data I/O; requires external pullup to 1.8 V or 3.3 V (recommended 4.7 kΩ), do not float."
      },
      {
        "number": "15",
        "name": "SCL",
        "type": "bidirectional",
        "description": "Open-drain I2C clock I/O; requires external pullup to 1.8 V or 3.3 V (recommended 4.7 kΩ), do not float."
      },
      {
        "number": "16",
        "name": "MCLK",
        "type": "bidirectional",
        "description": "LVCMOS master-mode I2S system clock input/output."
      },
      {
        "number": "17",
        "name": "VDDP11",
        "type": "power_in",
        "description": "1.1-V (±5%) PLL supply."
      },
      {
        "number": "18",
        "name": "MODE_SEL0",
        "type": "input",
        "description": "Analog mode select 0 input set by resistor divider (see Table 6)."
      },
      {
        "number": "19",
        "name": "IDx",
        "type": "input",
        "description": "Analog I2C serial control bus device ID address select."
      },
      {
        "number": "20",
        "name": "LFT",
        "type": "passive",
        "description": "FPD-Link III loop filter; connect a 10-nF capacitor to GND."
      },
      {
        "number": "21",
        "name": "VDDHS11",
        "type": "power_in",
        "description": "1.1-V (±5%) supply."
      },
      {
        "number": "22",
        "name": "DOUT1-",
        "type": "output",
        "description": "FPD-Link III inverting output 1; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x."
      },
      {
        "number": "23",
        "name": "DOUT1+",
        "type": "output",
        "description": "FPD-Link III true output 1; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x."
      },
      {
        "number": "24",
        "name": "VDD18",
        "type": "power_in",
        "description": "1.8-V (±5%) analog supply."
      },
      {
        "number": "25",
        "name": "VDDS11",
        "type": "power_in",
        "description": "1.1-V (±5%) serializer supply."
      },
      {
        "number": "26",
        "name": "DOUT0-",
        "type": "output",
        "description": "FPD-Link III inverting output 0; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x."
      },
      {
        "number": "27",
        "name": "DOUT0+",
        "type": "output",
        "description": "FPD-Link III true output 0; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x."
      },
      {
        "number": "28",
        "name": "VDDHS11",
        "type": "power_in",
        "description": "1.1-V (±5%) supply."
      },
      {
        "number": "29",
        "name": "RES1",
        "type": "passive",
        "description": "Reserved; tie to GND."
      },
      {
        "number": "30",
        "name": "RES2",
        "type": "passive",
        "description": "Reserved; connect with 50 Ω to GND."
      },
      {
        "number": "31",
        "name": "PDB",
        "type": "input",
        "description": "LVCMOS power-down mode input (active-high enable)."
      },
      {
        "number": "32",
        "name": "MODE_SEL1",
        "type": "input",
        "description": "Analog mode select 1 input set by resistor divider (see Table 6)."
      },
      {
        "number": "33",
        "name": "I2S_WC/GPIO7_REG",
        "type": "bidirectional",
        "description": "Slave-mode I2S word clock input shared with register-only GPIO7."
      },
      {
        "number": "34",
        "name": "I2S_CLK/GPIO8_REG",
        "type": "bidirectional",
        "description": "Slave-mode I2S clock input shared with register-only GPIO8."
      },
      {
        "number": "35",
        "name": "I2S_DA/GPIO6_REG",
        "type": "bidirectional",
        "description": "Slave-mode I2S data input shared with register-only GPIO6."
      },
      {
        "number": "36",
        "name": "I2S_DB/GPIO5_REG",
        "type": "bidirectional",
        "description": "Slave-mode I2S data input shared with register-only GPIO5."
      },
      {
        "number": "37",
        "name": "I2S_DC/GPIO2",
        "type": "bidirectional",
        "description": "Slave-mode I2S data input shared with BCC GPIO2."
      },
      {
        "number": "38",
        "name": "I2S_DD/GPIO3",
        "type": "bidirectional",
        "description": "Slave-mode I2S data input shared with BCC GPIO3."
      },
      {
        "number": "39",
        "name": "X1",
        "type": "input",
        "description": "Optional CEC reference clock input, 25 MHz 0.1% 45-55% duty cycle at 1.8-V CMOS level; leave open if unused."
      },
      {
        "number": "40",
        "name": "REM_INTB",
        "type": "output",
        "description": "Open-drain remote interrupt mirroring INTB_IN from the deserializer; external 1.8-V pullup required (recommended 4.7 kΩ)."
      },
      {
        "number": "41",
        "name": "VDDL11",
        "type": "power_in",
        "description": "1.1-V (±5%) digital supply."
      },
      {
        "number": "42",
        "name": "HPD",
        "type": "output",
        "description": "Open-drain Hot Plug Detect output; pull up to RX_5V with a 1-kΩ resistor."
      },
      {
        "number": "43",
        "name": "RX_5V",
        "type": "input",
        "description": "HDMI 5-V detect input."
      },
      {
        "number": "44",
        "name": "DDC_SDA",
        "type": "bidirectional",
        "description": "Open-drain DDC slave serial data; pull up to RX_5V with 47 kΩ."
      },
      {
        "number": "45",
        "name": "DDC_SCL",
        "type": "input",
        "description": "Open-drain DDC slave serial clock; pull up to RX_5V with 47 kΩ."
      },
      {
        "number": "46",
        "name": "VDDIO",
        "type": "power_in",
        "description": "1.8-V (±5%) IO supply."
      },
      {
        "number": "47",
        "name": "NC0",
        "type": "unconnected",
        "description": "No connect; leave floating, do not connect to VDD or GND."
      },
      {
        "number": "48",
        "name": "NC1",
        "type": "unconnected",
        "description": "No connect; leave floating, do not connect to VDD or GND."
      },
      {
        "number": "49",
        "name": "IN_CLK-",
        "type": "input",
        "description": "TMDS clock differential input (negative)."
      },
      {
        "number": "50",
        "name": "IN_CLK+",
        "type": "input",
        "description": "TMDS clock differential input (positive)."
      },
      {
        "number": "51",
        "name": "VDD18",
        "type": "power_in",
        "description": "1.8-V (±5%) analog supply."
      },
      {
        "number": "52",
        "name": "VDDHA11",
        "type": "power_in",
        "description": "1.1-V (±5%) TMDS supply."
      },
      {
        "number": "53",
        "name": "NC2",
        "type": "unconnected",
        "description": "No connect; leave floating, do not connect to VDD or GND."
      },
      {
        "number": "54",
        "name": "VDDHA11",
        "type": "power_in",
        "description": "1.1-V (±5%) TMDS supply."
      },
      {
        "number": "55",
        "name": "IN_D0-",
        "type": "input",
        "description": "TMDS data channel 0 differential input (negative)."
      },
      {
        "number": "56",
        "name": "IN_D0+",
        "type": "input",
        "description": "TMDS data channel 0 differential input (positive)."
      },
      {
        "number": "57",
        "name": "VTERM",
        "type": "power_in",
        "description": "3.3-V (±5%) supply for DC-coupled internal termination or 1.8-V (±5%) for AC-coupled termination."
      },
      {
        "number": "58",
        "name": "VDDHA11",
        "type": "power_in",
        "description": "1.1-V (±5%) TMDS supply."
      },
      {
        "number": "59",
        "name": "IN_D1-",
        "type": "input",
        "description": "TMDS data channel 1 differential input (negative)."
      },
      {
        "number": "60",
        "name": "IN_D1+",
        "type": "input",
        "description": "TMDS data channel 1 differential input (positive)."
      },
      {
        "number": "61",
        "name": "VDDHA11",
        "type": "power_in",
        "description": "1.1-V (±5%) TMDS supply."
      },
      {
        "number": "62",
        "name": "IN_D2-",
        "type": "input",
        "description": "TMDS data channel 2 differential input (negative)."
      },
      {
        "number": "63",
        "name": "IN_D2+",
        "type": "input",
        "description": "TMDS data channel 2 differential input (positive)."
      },
      {
        "number": "64",
        "name": "VDD18",
        "type": "power_in",
        "description": "1.8-V (±5%) analog supply."
      },
      {
        "number": "65",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad (DAP) ground; connect to ground plane with at least 9 vias."
      }
    ],
    "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": [
          "exposed pad 65 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 23,
        "cost_usd": 0.4258,
        "at": "2026-10-07T03:12:16"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ds90ub949-q1",
        "pages": 88,
        "sha256": "6c33021a3706f57f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 65,
        "described": 65,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ds90ub949trgcrq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          0.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dce07a86ec3fe3ca87eebdff13827f55e036ced5518fee01f85cec4a3f56366d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds90ub949trgcrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          0.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "801194f950eaa7cc9feedd878449cfc6171accfdc6dea983cd1ac2cf5a6a4e6f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}