DS90UB940TNKDTQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "ds90ub940tnkdtq1",
  "title": "DS90UB940TNKDTQ1",
  "brief": "Texas Instruments LVDS ICs, WQFN-64(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",
    "interface",
    "ds90ub940tnkdtq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DS90UB940TNKDTQ1",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-64(9x9)",
    "pin_count": 65,
    "category": "Interface",
    "subcategory": "LVDS ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ds90ub940-q1",
    "parts": {
      "symbol": "ds90ub940tnkdtq1.kicad_sym",
      "footprint": "ds90ub940tnkdtq1.kicad_mod",
      "model_3d": "ds90ub940tnkdtq1-hero.glb",
      "model_3d_plain": "ds90ub940tnkdtq1-etched.glb",
      "model_3d_step": "ds90ub940tnkdtq1-etched.step",
      "model_3d_step_plain": "ds90ub940tnkdtq1.step",
      "lbr": "ds90ub940tnkdtq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C3189882"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:05:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 709 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LOCK",
        "type": "output",
        "description": "LVCMOS lock status output: 1 means PLL acquired lock to the reference clock and DPHY outputs are active, 0 means PLL is unlocked."
      },
      {
        "number": "2",
        "name": "CAP_I2S",
        "type": "passive",
        "description": "Decoupling capacitor connection for the on-chip regulator; requires a 0.1 µF capacitor to GND."
      },
      {
        "number": "3",
        "name": "VDDIO",
        "type": "power_in",
        "description": "LVCMOS I/O power supply, 1.8V (±5%) or 3.3V (±10%), requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND."
      },
      {
        "number": "4",
        "name": "BISTC/INTB_IN",
        "type": "input",
        "description": "LVCMOS input with weak internal pull-down; BIST clock select (0: PCLK, 1: 33MHz) shared with interrupt input INTB_IN."
      },
      {
        "number": "5",
        "name": "BISTEN",
        "type": "input",
        "description": "LVCMOS BIST enable input with weak internal pull-down; 0 disables BIST mode, 1 enables BIST mode."
      },
      {
        "number": "6",
        "name": "VDDL12_0",
        "type": "power_in",
        "description": "1.2V (±5%) supply, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND."
      },
      {
        "number": "7",
        "name": "GPIO0/SDOUT/PASS",
        "type": "bidirectional",
        "description": "LVCMOS BCC GPIO0 (default logic LOW), shared with master mode I2S data output SDOUT and PASS status output (1: no fault detected)."
      },
      {
        "number": "8",
        "name": "GPIO1/SWC",
        "type": "bidirectional",
        "description": "LVCMOS BCC GPIO1 (default logic LOW), shared with master mode I2S word clock output SWC."
      },
      {
        "number": "9",
        "name": "I2S_DD/GPIO3",
        "type": "bidirectional",
        "description": "LVCMOS BCC GPIO3 (default logic LOW), shared with slave mode I2S data output I2S_DD."
      },
      {
        "number": "10",
        "name": "I2S_DC/GPIO2",
        "type": "bidirectional",
        "description": "LVCMOS BCC GPIO2 (default logic LOW), shared with slave mode I2S data output I2S_DC."
      },
      {
        "number": "11",
        "name": "I2S_DB/GPIO5_REG",
        "type": "bidirectional",
        "description": "LVCMOS general purpose I/O 5 under I2C register control only (default logic LOW), shared with slave mode I2S data output I2S_DB."
      },
      {
        "number": "12",
        "name": "I2S_DA/GPIO6_REG",
        "type": "bidirectional",
        "description": "LVCMOS general purpose I/O 6 under I2C register control only (default logic LOW), shared with slave mode I2S data output I2S_DA."
      },
      {
        "number": "13",
        "name": "I2S_CLK/GPIO8_REG",
        "type": "bidirectional",
        "description": "LVCMOS general purpose I/O 8 under I2C register control only (default logic LOW), shared with slave mode I2S clock output I2S_CLK."
      },
      {
        "number": "14",
        "name": "I2S_WC/GPIO7_REG",
        "type": "bidirectional",
        "description": "LVCMOS general purpose I/O 7 under I2C register control only (default logic LOW), shared with slave mode I2S word clock output I2S_WC."
      },
      {
        "number": "15",
        "name": "MCLK",
        "type": "output",
        "description": "LVCMOS master mode I2S system clock output, shared with GPIO9."
      },
      {
        "number": "16",
        "name": "D_GPIO3/SS",
        "type": "bidirectional",
        "description": "LVCMOS high-speed GPIO3 for 2-lane FPD-Link III mode (default tri-state) with weak internal pull-down, shared with SPI slave select SS."
      },
      {
        "number": "17",
        "name": "D_GPIO2/SPLK",
        "type": "bidirectional",
        "description": "LVCMOS high-speed GPIO2 for 2-lane FPD-Link III mode (default tri-state) with weak internal pull-down, shared with SPI serial clock SPLK."
      },
      {
        "number": "18",
        "name": "D_GPIO1/MISO",
        "type": "bidirectional",
        "description": "LVCMOS high-speed GPIO1 for 2-lane FPD-Link III mode (default tri-state) with weak internal pull-down, shared with SPI Master In Slave Out."
      },
      {
        "number": "19",
        "name": "D_GPIO0/MOSI",
        "type": "bidirectional",
        "description": "LVCMOS high-speed GPIO0 for 2-lane FPD-Link III mode (default tri-state) with weak internal pull-down, shared with SPI Master Out Slave In."
      },
      {
        "number": "20",
        "name": "VDD12_CSI0",
        "type": "power_in",
        "description": "1.2V (±5%) supply, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND."
      },
      {
        "number": "21",
        "name": "CSI0_CLK-",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 0 differential clock, negative; float if unused."
      },
      {
        "number": "22",
        "name": "CSI0_CLK+",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 0 differential clock, positive; float if unused."
      },
      {
        "number": "23",
        "name": "CSI0_D0-",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 0 differential data pair 0, negative."
      },
      {
        "number": "24",
        "name": "CSI0_D0+",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 0 differential data pair 0, positive."
      },
      {
        "number": "25",
        "name": "CSI0_D1-",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 0 differential data pair 1, negative."
      },
      {
        "number": "26",
        "name": "CSI0_D1+",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 0 differential data pair 1, positive."
      },
      {
        "number": "27",
        "name": "CSI0_D2-",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 0 differential data pair 2, negative."
      },
      {
        "number": "28",
        "name": "CSI0_D2+",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 0 differential data pair 2, positive."
      },
      {
        "number": "29",
        "name": "CSI0_D3-",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 0 differential data pair 3, negative."
      },
      {
        "number": "30",
        "name": "CSI0_D3+",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 0 differential data pair 3, positive."
      },
      {
        "number": "31",
        "name": "VDD33_B",
        "type": "power_in",
        "description": "3.3V (±10%) supply to on-chip regulator, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND; not internally connected to VDD33_A."
      },
      {
        "number": "32",
        "name": "VDDP12_CSI",
        "type": "power_in",
        "description": "1.2V (±5%) supply, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND."
      },
      {
        "number": "33",
        "name": "VDD12_CSI1",
        "type": "power_in",
        "description": "1.2V (±5%) supply, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND."
      },
      {
        "number": "34",
        "name": "CSI1_CLK-",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 1 differential clock, negative; float if unused."
      },
      {
        "number": "35",
        "name": "CSI1_CLK+",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 1 differential clock, positive; float if unused."
      },
      {
        "number": "36",
        "name": "CSI1_D0-",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 1 differential data pair 0, negative."
      },
      {
        "number": "37",
        "name": "CSI1_D0+",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 1 differential data pair 0, positive."
      },
      {
        "number": "38",
        "name": "CSI1_D1-",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 1 differential data pair 1, negative."
      },
      {
        "number": "39",
        "name": "CSI1_D1+",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 1 differential data pair 1, positive."
      },
      {
        "number": "40",
        "name": "CSI1_D2-",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 1 differential data pair 2, negative."
      },
      {
        "number": "41",
        "name": "CSI1_D2+",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 1 differential data pair 2, positive."
      },
      {
        "number": "42",
        "name": "CSI1_D3-",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 1 differential data pair 3, negative."
      },
      {
        "number": "43",
        "name": "CSI1_D3+",
        "type": "output",
        "description": "MIPI DPHY CSI-2 port 1 differential data pair 3, positive."
      },
      {
        "number": "44",
        "name": "VDDL12_1",
        "type": "power_in",
        "description": "1.2V (±5%) supply, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND."
      },
      {
        "number": "45",
        "name": "I2C_SCL",
        "type": "bidirectional",
        "description": "Open-drain I2C clock input/output; needs external pull-up to VDDIO (recommended 4.7 kΩ), do not float."
      },
      {
        "number": "46",
        "name": "I2C_SDA",
        "type": "bidirectional",
        "description": "Open-drain I2C data input/output; needs external pull-up to VDDIO (recommended 4.7 kΩ), do not float."
      },
      {
        "number": "47",
        "name": "IDx",
        "type": "input",
        "description": "Analog configuration input that sets the I2C serial control bus device ID address."
      },
      {
        "number": "48",
        "name": "PDB",
        "type": "input",
        "description": "LVCMOS power-down input with weak internal pull-down: 1 is normal operation, 0 powers the device down; requires minimum ramp time of 200 µs."
      },
      {
        "number": "49",
        "name": "CAP_PLL0",
        "type": "passive",
        "description": "Decoupling capacitor connection for on-chip regulator; requires a 0.1 µF capacitor to GND."
      },
      {
        "number": "50",
        "name": "MODE_SEL1",
        "type": "input",
        "description": "Analog mode select 1 input; set with external pull-up to VDD33 and pull-down to GND as a voltage divider."
      },
      {
        "number": "51",
        "name": "VDDP12_CH0",
        "type": "power_in",
        "description": "1.2V (±5%) supply, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND."
      },
      {
        "number": "52",
        "name": "VDDR12_CH0",
        "type": "power_in",
        "description": "1.2V (±5%) supply, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND."
      },
      {
        "number": "53",
        "name": "RIN0+",
        "type": "bidirectional",
        "description": "FPD-Link III true CML input/output for channel 0; must be AC-coupled with a 33 nF capacitor."
      },
      {
        "number": "54",
        "name": "RIN0-",
        "type": "bidirectional",
        "description": "FPD-Link III inverting CML input/output for channel 0; must be AC-coupled with a 33 nF capacitor."
      },
      {
        "number": "55",
        "name": "CMF",
        "type": "bidirectional",
        "description": "CML common mode filter pin; connect a 0.1 µF capacitor to GND."
      },
      {
        "number": "56",
        "name": "VDD33_A",
        "type": "power_in",
        "description": "3.3V (±10%) supply to on-chip regulator, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND; not internally connected to VDD33_B."
      },
      {
        "number": "57",
        "name": "VDDR12_CH1",
        "type": "power_in",
        "description": "1.2V (±5%) supply, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND."
      },
      {
        "number": "58",
        "name": "RIN1+",
        "type": "bidirectional",
        "description": "FPD-Link III true CML input/output for channel 1; must be AC-coupled with a 33 nF capacitor."
      },
      {
        "number": "59",
        "name": "RIN1-",
        "type": "bidirectional",
        "description": "FPD-Link III inverting CML input/output for channel 1; must be AC-coupled with a 33 nF capacitor."
      },
      {
        "number": "60",
        "name": "VDDP12_CH1",
        "type": "power_in",
        "description": "1.2V (±5%) supply, requires 10 µF, 1 µF, 0.1 µF and 0.01 µF capacitors to GND."
      },
      {
        "number": "61",
        "name": "MODE_SEL0",
        "type": "input",
        "description": "Analog mode select 0 input; set with external pull-up to VDD33 and pull-down to GND as a voltage divider."
      },
      {
        "number": "62",
        "name": "CMLOUTP",
        "type": "output",
        "description": "CML monitor point (positive) for the equalized differential signal; place 0.1 µF series capacitor and 100 Ω termination."
      },
      {
        "number": "63",
        "name": "CMLOUTN",
        "type": "output",
        "description": "CML monitor point (negative) for the equalized differential signal; place 0.1 µF series capacitor and 100 Ω termination."
      },
      {
        "number": "64",
        "name": "CAP_PLL1",
        "type": "passive",
        "description": "Decoupling capacitor connection for on-chip regulator; requires a 0.1 µF capacitor to GND."
      },
      {
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet pin table lists CSI1_D0 and CSI1_D1 descriptions as 'pair 1' and 'pair 2' and CSI1_D2/D3 a; CMF is typed as passive-like filter pin but datasheet lists it as I/O, CML; type set to bidirectiona; Orderable MPN DS90UB940TNKDTQ1 (250-piece small reel) uses the same 64-pin NKD WQFN package as the p"
        ],
        "pages_sent": 16,
        "cost_usd": 0.2797,
        "at": "2026-10-22T23:05:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ds90ub940-q1",
        "pages": 85,
        "sha256": "7db79cad7ab6da57",
        "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": "ds90ub940tnkdtq1.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds90ub940tnkdtq1-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": "23cac6afd5f60e8a8989ce16ff2640335a4a7ba5f1e3c462c6decc2a7d682980",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-64(9x9)",
      "Category": "Interface",
      "Pins": "65"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7db79cad7ab6da57c06b0688a20cc9108ec743a4722632e3dbe5c93f7cc50b7f",
      "rows": [
        {
          "name": "Supply voltage VDD33",
          "symbol": "VDD33",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage VDD12",
          "symbol": "VDD12",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 1.8,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage VDDIO",
          "symbol": "VDDIO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "LVCMOS I/O voltage (max = VDDIO + 0.3)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max printed as VDDIO + 0.3",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "FPD-Link III input voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 2.75,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8000,
          "typ": null,
          "max": 8000,
          "conditions": "per AEC Q100-002",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1250,
          "typ": null,
          "max": 1250,
          "conditions": "per AEC Q100-011",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage VDD33",
          "symbol": "VDD33",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage VDD18",
          "symbol": "VDD18",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": 1.8,
          "max": 1.89,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage VDD12",
          "symbol": "VDD12",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.14,
          "typ": 1.2,
          "max": 1.26,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Operating Free Air Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": 25,
          "max": 105,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Pixel Clock Frequency (Single Link)",
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