DS90UB949ATRGCTQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "ds90ub949atrgctq1",
  "title": "DS90UB949ATRGCTQ1",
  "brief": "Texas Instruments Serializers / Deserializers, VQFN-64-EP(9x9). 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",
    "communication interface chip-uart-485-232",
    "ds90ub949atrgctq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DS90UB949ATRGCTQ1",
    "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/ds90ub949a-q1",
    "parts": {
      "symbol": "ds90ub949atrgctq1.kicad_sym",
      "footprint": "ds90ub949atrgctq1.kicad_mod",
      "model_3d": "ds90ub949atrgctq1-hero.glb",
      "model_3d_plain": "ds90ub949atrgctq1.glb",
      "model_3d_step": "ds90ub949atrgctq1-etched.step",
      "model_3d_step_plain": "ds90ub949atrgctq1.step",
      "lbr": "ds90ub949atrgctq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2652189",
      "digikey": "296-DS90UB949ATRGCTQ1TR-ND",
      "mouser": "595-S90UB949ATRGCTQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T07:29:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DS90UB949ATRGCTQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-S90UB949ATRGCTQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CEC",
        "type": "bidirectional",
        "description": "Consumer Electronic Control channel open-drain input/output, pulled up with a 27-kΩ resistor to 3.3 V."
      },
      {
        "number": "2",
        "name": "RES0",
        "type": "passive",
        "description": "Reserved pin that must be tied to GND."
      },
      {
        "number": "3",
        "name": "VDDIO",
        "type": "power_in",
        "description": "1.8-V (±5%) LVCMOS I/O supply."
      },
      {
        "number": "4",
        "name": "SDIN/GPIO0",
        "type": "bidirectional",
        "description": "Master-mode I2S data input shared with bidirectional control channel GPIO0, LVCMOS level."
      },
      {
        "number": "5",
        "name": "SWC/GPIO1",
        "type": "bidirectional",
        "description": "Master-mode I2S word clock output shared with bidirectional control channel GPIO1, LVCMOS level."
      },
      {
        "number": "6",
        "name": "SCLK/I2CSEL",
        "type": "bidirectional",
        "description": "I2C voltage level strap sampled at power-up (tie to VDDIO with 10 kΩ for 1.8-V I2C, float for 3.3-V I2C), then operates as master-mode I2S clock output."
      },
      {
        "number": "7",
        "name": "VDDL11",
        "type": "power_in",
        "description": "1.1-V (±5%) digital supply."
      },
      {
        "number": "8",
        "name": "D_GPIO0/MOSI",
        "type": "bidirectional",
        "description": "High-speed control channel GPIO0 (dual-link mode only), LVCMOS, shared with SPI MOSI."
      },
      {
        "number": "9",
        "name": "VDDA11",
        "type": "power_in",
        "description": "1.1-V (±5%) analog supply."
      },
      {
        "number": "10",
        "name": "D_GPIO1/MISO",
        "type": "bidirectional",
        "description": "High-speed control channel GPIO1 (dual-link mode only), LVCMOS, shared with SPI MISO."
      },
      {
        "number": "11",
        "name": "D_GPIO2/SPLK",
        "type": "bidirectional",
        "description": "High-speed control channel GPIO2 (dual-link mode only), LVCMOS, shared with SPI clock."
      },
      {
        "number": "12",
        "name": "D_GPIO3/SS",
        "type": "bidirectional",
        "description": "High-speed control channel GPIO3 (dual-link mode only), LVCMOS, shared with SPI slave select."
      },
      {
        "number": "13",
        "name": "INTB",
        "type": "output",
        "description": "Open-drain active-low interrupt output, pulled up to VDDIO with 4.7 kΩ."
      },
      {
        "number": "14",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data open-drain input/output; requires external pullup to 1.8 V or 3.3 V per I2CSEL and must not float."
      },
      {
        "number": "15",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C clock open-drain input/output; requires external pullup to 1.8 V or 3.3 V per I2CSEL (4.7 kΩ recommended) and must not float."
      },
      {
        "number": "16",
        "name": "MCLK",
        "type": "bidirectional",
        "description": "Master-mode I2S system clock input/output, LVCMOS level."
      },
      {
        "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, configured with external resistors per the MODE_SEL resistor table."
      },
      {
        "number": "19",
        "name": "IDx",
        "type": "input",
        "description": "Analog I2C serial control bus device ID address select, configured with external resistor."
      },
      {
        "number": "20",
        "name": "LFT",
        "type": "passive",
        "description": "FPD-Link III analog loop filter; connect with 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 capacitor for DS90Ux92x-Q1 deserializers, or 0.1 µF or 33 nF for 94x deserializers."
      },
      {
        "number": "23",
        "name": "DOUT1+",
        "type": "output",
        "description": "FPD-Link III true output 1; AC-couple with 0.1-µF capacitor for DS90Ux92x-Q1 deserializers, or 0.1 µF or 33 nF for 94x deserializers."
      },
      {
        "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 capacitor for DS90Ux92x-Q1 deserializers, or 0.1 µF or 33 nF for 94x deserializers."
      },
      {
        "number": "27",
        "name": "DOUT0+",
        "type": "output",
        "description": "FPD-Link III true output 0; AC-couple with 0.1-µF capacitor for DS90Ux92x-Q1 deserializers, or 0.1 µF or 33 nF for 94x deserializers."
      },
      {
        "number": "28",
        "name": "VDDHS11",
        "type": "power_in",
        "description": "1.1-V (±5%) supply."
      },
      {
        "number": "29",
        "name": "RES1",
        "type": "passive",
        "description": "Reserved pin that must be tied to GND."
      },
      {
        "number": "30",
        "name": "RES2",
        "type": "passive",
        "description": "Reserved pin that must be connected with 50 Ω to GND."
      },
      {
        "number": "31",
        "name": "PDB",
        "type": "input",
        "description": "LVCMOS power-down mode input; PDB must be released only after all supplies are stable and is driven per the power-up sequencing limits."
      },
      {
        "number": "32",
        "name": "MODE_SEL1",
        "type": "input",
        "description": "Analog mode select 1, configured with external resistors per the MODE_SEL resistor table."
      },
      {
        "number": "33",
        "name": "I2S_WC/GPIO7_REG",
        "type": "bidirectional",
        "description": "Slave-mode I2S word clock input, LVCMOS, shared with register-only GPIO7."
      },
      {
        "number": "34",
        "name": "I2S_CLK/GPIO8_REG",
        "type": "bidirectional",
        "description": "Slave-mode I2S clock input, LVCMOS, shared with register-only GPIO8."
      },
      {
        "number": "35",
        "name": "I2S_DA/GPIO6_REG",
        "type": "bidirectional",
        "description": "Slave-mode I2S data input, LVCMOS, shared with register-only GPIO6."
      },
      {
        "number": "36",
        "name": "I2S_DB/GPIO5_REG",
        "type": "bidirectional",
        "description": "Slave-mode I2S data input, LVCMOS, shared with register-only GPIO5."
      },
      {
        "number": "37",
        "name": "I2S_DC/GPIO2",
        "type": "bidirectional",
        "description": "Slave-mode I2S data input, LVCMOS, shared with bidirectional control channel GPIO2."
      },
      {
        "number": "38",
        "name": "I2S_DD/GPIO3",
        "type": "bidirectional",
        "description": "Slave-mode I2S data input, LVCMOS, shared with bidirectional control channel GPIO3."
      },
      {
        "number": "39",
        "name": "X1",
        "type": "input",
        "description": "Optional reference clock input for CEC, requiring a 25 MHz ±0.1% (1000 ppm), 45-55% duty cycle CMOS 1.8-V clock; leave open if unused."
      },
      {
        "number": "40",
        "name": "REM_INTB",
        "type": "output",
        "description": "Open-drain remote interrupt mirroring INTB_IN from the deserializer; requires external pullup to 1.8 V (4.7 kΩ recommended)."
      },
      {
        "number": "41",
        "name": "VDDL11",
        "type": "power_in",
        "description": "1.1-V (±5%) digital supply."
      },
      {
        "number": "42",
        "name": "HPD",
        "type": "output",
        "description": "HDMI hot plug detect open-drain output, pulled up to RX_5V with 1 kΩ."
      },
      {
        "number": "43",
        "name": "RX_5V",
        "type": "input",
        "description": "HDMI 5-V detect input."
      },
      {
        "number": "44",
        "name": "DDC_SDA",
        "type": "bidirectional",
        "description": "DDC slave serial data open-drain input/output, pulled up to RX_5V with 47 kΩ."
      },
      {
        "number": "45",
        "name": "DDC_SCL",
        "type": "input",
        "description": "DDC slave serial clock open-drain input, pulled 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 and do not connect to VDD or GND."
      },
      {
        "number": "48",
        "name": "NC1",
        "type": "unconnected",
        "description": "No connect; leave floating and do not connect to VDD or GND."
      },
      {
        "number": "49",
        "name": "IN_CLK-",
        "type": "input",
        "description": "TMDS clock differential input (inverting)."
      },
      {
        "number": "50",
        "name": "IN_CLK+",
        "type": "input",
        "description": "TMDS clock differential input (true)."
      },
      {
        "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 and 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 (inverting)."
      },
      {
        "number": "56",
        "name": "IN_D0+",
        "type": "input",
        "description": "TMDS data channel 0 differential input (true)."
      },
      {
        "number": "57",
        "name": "VTERM",
        "type": "power_in",
        "description": "3.3-V (±5%) supply for DC-coupled internal termination, or 1.8-V (±5%) supply for AC-coupled internal 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 (inverting)."
      },
      {
        "number": "60",
        "name": "IN_D1+",
        "type": "input",
        "description": "TMDS data channel 1 differential input (true)."
      },
      {
        "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 (inverting)."
      },
      {
        "number": "63",
        "name": "IN_D2+",
        "type": "input",
        "description": "TMDS data channel 2 differential input (true)."
      },
      {
        "number": "64",
        "name": "VDD18",
        "type": "power_in",
        "description": "1.8-V (±5%) analog supply."
      },
      {
        "number": "65",
        "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: The exposed thermal pad (DAP) is labeled GND in the datasheet pinout but has no printed pin number, ; Package match confirmed: the ordering addendum lists DS90UB949ATRGCTQ1 as VQFN (RGC), 64 pins, small; Shared-function pins (e.g., SDIN/GPIO0, I2S_DC/GPIO2, MOSI/D_GPIO0) are listed under a combined name",
          "exposed pad 65 added from the footprint"
        ],
        "pages_sent": 21,
        "cost_usd": 0.1545,
        "at": "2026-10-11T07:29:29"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ds90ub949a-q1",
        "pages": 83,
        "sha256": "bac2473db01d774e",
        "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": "ds90ub949atrgctq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          0.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dce07a86ec3fe3ca87eebdff13827f55e036ced5518fee01f85cec4a3f56366d",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds90ub949atrgctq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          0.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b4f4fb59f6f8280e092c5dd15ac0c656b33075f4fced964ce25f9bf2ba46aae3",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-64-EP(9x9)",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "65"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ds90ub949atrgctq1"
  ],
  "discovery_pitch": "DS90UB949ATRGCTQ1 (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": [
    "page.json",
    "README.md",
    "ds90ub949atrgctq1.kicad_sym",
    "ds90ub949atrgctq1.kicad_mod",
    "ds90ub949atrgctq1.glb",
    "ds90ub949atrgctq1.step",
    "ds90ub949atrgctq1.lbr",
    "docs/hero.png",
    "docs/ds90ub949atrgctq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ds90ub949atrgctq1-hero.glb",
    "ds90ub949atrgctq1-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}