DS90UB940NTNKDTQ1

{
  "schema_version": 1,
  "type": "component",
  "slug": "ds90ub940ntnkdtq1",
  "title": "DS90UB940NTNKDTQ1",
  "brief": "Texas Instruments Serializers, Deserializers, WQFN-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",
    "interface",
    "ds90ub940ntnkdtq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DS90UB940NTNKDTQ1",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-64-EP(9x9)",
    "pin_count": 65,
    "category": "Interface",
    "subcategory": "Serializers, Deserializers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ds90ub940n-q1",
    "parts": {
      "symbol": "ds90ub940ntnkdtq1.kicad_sym",
      "footprint": "ds90ub940ntnkdtq1.kicad_mod",
      "model_3d": "ds90ub940ntnkdtq1-hero.glb",
      "model_3d_plain": "ds90ub940ntnkdtq1.glb",
      "model_3d_step": "ds90ub940ntnkdtq1-etched.step",
      "model_3d_step_plain": "ds90ub940ntnkdtq1.step",
      "lbr": "ds90ub940ntnkdtq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2652188",
      "digikey": "296-DS90UB940NTNKDTQ1TR-ND",
      "mouser": "595-S90UB940NTNKDTQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T19:07:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DS90UB940NTNKDTQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-S90UB940NTNKDTQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LOCK",
        "type": "output",
        "description": "Lock status output: LOCK = 1 when the PLL has locked to the reference clock and DPHY outputs are active, LOCK = 0 when the PLL is unlocked."
      },
      {
        "number": "2",
        "name": "CAP_I2S",
        "type": "passive",
        "description": "Decoupling capacitor connection for the on-chip regulator; TI recommends a 0.1-µF decoupling capacitor to GND."
      },
      {
        "number": "3",
        "name": "VDDIO",
        "type": "power_in",
        "description": "LVCMOS I/O power supply, 1.8 V (±5%) or 3.3 V (±10%); all single-ended data and control inputs must scale to the same VDDIO level."
      },
      {
        "number": "4",
        "name": "BISTC/INTB_IN",
        "type": "input",
        "description": "Multifunction pin: BIST clock select (0: PCLK, 1: 33 MHz) when BIST is enabled, otherwise active-low interrupt input INTB_IN; weak 3-µA internal pulldown, tie to pulldown if unused."
      },
      {
        "number": "5",
        "name": "BISTEN",
        "type": "input",
        "description": "BIST enable input (0: BIST disabled, 1: BIST enabled) with a weak 3-µA internal pulldown; tie to pulldown if unused."
      },
      {
        "number": "6",
        "name": "VDDL12_0",
        "type": "power_in",
        "description": "1.2-V (±5%) supply; TI recommends 10-µF, 1-µF, 0.1-µF and 0.01-µF capacitors to GND at each VDD pin."
      },
      {
        "number": "7",
        "name": "SDOUT/PASS/GPIO0",
        "type": "bidirectional",
        "description": "General-purpose I/O 0 (default logic LOW), shared with Master Mode I2S data output SDOUT and the PASS status output; weak 3-µA internal pulldown."
      },
      {
        "number": "8",
        "name": "SWC/GPIO1",
        "type": "bidirectional",
        "description": "General-purpose I/O 1 (default logic LOW), shared with Master Mode I2S word clock output SWC; weak 3-µA internal pulldown."
      },
      {
        "number": "9",
        "name": "I2S_DD/GPIO3",
        "type": "bidirectional",
        "description": "General-purpose I/O 3 (default logic LOW), shared with Slave Mode I2S data output I2S_DD; weak 3-µA internal pulldown."
      },
      {
        "number": "10",
        "name": "I2S_DC/GPIO2",
        "type": "bidirectional",
        "description": "General-purpose I/O 2 (default logic LOW), shared with Slave Mode I2S data output I2S_DC; weak 3-µA internal pulldown."
      },
      {
        "number": "11",
        "name": "I2S_DB/GPIO5_REG",
        "type": "bidirectional",
        "description": "High-speed general-purpose I/O 5 (I2C register control only, default logic LOW), shared with Slave Mode I2S data output I2S_DB; weak 3-µA internal pulldown."
      },
      {
        "number": "12",
        "name": "I2S_DA/GPIO6_REG",
        "type": "bidirectional",
        "description": "High-speed general-purpose I/O 6 (I2C register control only, default logic LOW), shared with Slave Mode I2S data output I2S_DA; weak 3-µA internal pulldown."
      },
      {
        "number": "13",
        "name": "I2S_CLK/GPIO8_REG",
        "type": "bidirectional",
        "description": "High-speed general-purpose I/O 8 (I2C register control only, default logic LOW), shared with Slave Mode I2S clock output I2S_CLK; disable the I2S data jitter cleaner (0x2B[7]=1) when using this pin as I2S_CLK."
      },
      {
        "number": "14",
        "name": "I2S_WC/GPIO7_REG",
        "type": "bidirectional",
        "description": "High-speed general-purpose I/O 7 (I2C register control only, default logic LOW), shared with Slave Mode I2S word clock output I2S_WC; weak 3-µA internal pulldown."
      },
      {
        "number": "15",
        "name": "GPIO9/MCLK",
        "type": "bidirectional",
        "description": "General-purpose I/O 9 (default logic LOW), shared with Master Mode I2S system clock output MCLK; weak 3-µA internal pulldown."
      },
      {
        "number": "16",
        "name": "D_GPIO3/SS",
        "type": "bidirectional",
        "description": "SPI slave select (register-programmed), shared with High-Speed GPIO 3 which is available only in Dual Link Mode and defaults to tri-state; weak 3-µA internal pulldown."
      },
      {
        "number": "17",
        "name": "D_GPIO2/SPLK",
        "type": "bidirectional",
        "description": "SPI clock (register-programmed), shared with High-Speed GPIO 2 which is available only in Dual Link Mode and defaults to tri-state; weak 3-µA internal pulldown."
      },
      {
        "number": "18",
        "name": "D_GPIO1/MISO",
        "type": "bidirectional",
        "description": "SPI master input / slave output (register-programmed), shared with High-Speed GPIO 1 which is available only in Dual Link Mode and defaults to tri-state; weak 3-µA internal pulldown."
      },
      {
        "number": "19",
        "name": "D_GPIO0/MOSI",
        "type": "bidirectional",
        "description": "SPI master output / slave input (register-programmed), shared with High-Speed GPIO 0 which is available only in Dual Link Mode and defaults to tri-state; weak 3-µA internal pulldown."
      },
      {
        "number": "20",
        "name": "VDD12_CSI0",
        "type": "power_in",
        "description": "1.2-V (±5%) supply for CSI-2 Port 0; 1.14 V to 1.26 V recommended operating range."
      },
      {
        "number": "21",
        "name": "CSI0_CLK-",
        "type": "output",
        "description": "CSI-2 TX Port 0 differential clock output (negative); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "22",
        "name": "CSI0_CLK+",
        "type": "output",
        "description": "CSI-2 TX Port 0 differential clock output (positive); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "23",
        "name": "CSI0_D0-",
        "type": "output",
        "description": "CSI-2 TX Port 0 differential data output 0 (negative); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "24",
        "name": "CSI0_D0+",
        "type": "output",
        "description": "CSI-2 TX Port 0 differential data output 0 (positive); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "25",
        "name": "CSI0_D1-",
        "type": "output",
        "description": "CSI-2 TX Port 0 differential data output 1 (negative); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "26",
        "name": "CSI0_D1+",
        "type": "output",
        "description": "CSI-2 TX Port 0 differential data output 1 (positive); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "27",
        "name": "CSI0_D2-",
        "type": "output",
        "description": "CSI-2 TX Port 0 differential data output 2 (negative); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "28",
        "name": "CSI0_D2+",
        "type": "output",
        "description": "CSI-2 TX Port 0 differential data output 2 (positive); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "29",
        "name": "CSI0_D3-",
        "type": "output",
        "description": "CSI-2 TX Port 0 differential data output 3 (negative); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "30",
        "name": "CSI0_D3+",
        "type": "output",
        "description": "CSI-2 TX Port 0 differential data output 3 (positive); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "31",
        "name": "VDD33_B",
        "type": "power_in",
        "description": "3.3-V (±10%) supply to the on-chip regulator; must be externally connected, bypassed and driven to the same potential as VDD33_A because the two pins are not internally connected."
      },
      {
        "number": "32",
        "name": "VDDP12_CSI",
        "type": "power_in",
        "description": "1.2-V (±5%) supply for the CSI-2 output block; TI recommends 10-µF, 1-µF, 0.1-µF and 0.01-µF capacitors to GND."
      },
      {
        "number": "33",
        "name": "VDD12_CSI1",
        "type": "power_in",
        "description": "1.2-V (±5%) supply for CSI-2 Port 1; TI recommends 10-µF, 1-µF, 0.1-µF and 0.01-µF capacitors to GND."
      },
      {
        "number": "34",
        "name": "CSI1_CLK-",
        "type": "output",
        "description": "CSI-2 TX Port 1 differential clock output (negative); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "35",
        "name": "CSI1_CLK+",
        "type": "output",
        "description": "CSI-2 TX Port 1 differential clock output (positive); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "36",
        "name": "CSI1_D0-",
        "type": "output",
        "description": "CSI-2 TX Port 1 differential data output 0 (negative); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "37",
        "name": "CSI1_D0+",
        "type": "output",
        "description": "CSI-2 TX Port 1 differential data output 0 (positive); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "38",
        "name": "CSI1_D1-",
        "type": "output",
        "description": "CSI-2 TX Port 1 differential data output 1 (negative); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "39",
        "name": "CSI1_D1+",
        "type": "output",
        "description": "CSI-2 TX Port 1 differential data output 1 (positive); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "40",
        "name": "CSI1_D2-",
        "type": "output",
        "description": "CSI-2 TX Port 1 differential data output 2 (negative); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "41",
        "name": "CSI1_D2+",
        "type": "output",
        "description": "CSI-2 TX Port 1 differential data output 2 (positive); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "42",
        "name": "CSI1_D3-",
        "type": "output",
        "description": "CSI-2 TX Port 1 differential data output 3 (negative); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "43",
        "name": "CSI1_D3+",
        "type": "output",
        "description": "CSI-2 TX Port 1 differential data output 3 (positive); leave unused pins as No Connect with no pullup or pulldown."
      },
      {
        "number": "44",
        "name": "VDDL12_1",
        "type": "power_in",
        "description": "1.2-V (±5%) supply; TI recommends 10-µF, 1-µF, 0.1-µF and 0.01-µF capacitors to GND at each VDD pin."
      },
      {
        "number": "45",
        "name": "I2C_SCL",
        "type": "bidirectional",
        "description": "Local I2C clock input/output, open-drain; TI recommends a 2.2-kΩ to 4.7-kΩ pullup to 1.8 V or 3.3 V."
      },
      {
        "number": "46",
        "name": "I2C_SDA",
        "type": "bidirectional",
        "description": "Local I2C data input/output, open-drain; TI recommends a 2.2-kΩ to 4.7-kΩ pullup to 1.8 V or 3.3 V."
      },
      {
        "number": "47",
        "name": "IDx",
        "type": "input",
        "description": "I2C serial control bus device ID address select strap; connect an external pullup to VDD18 and a pulldown to GND to form a voltage divider per Table 10."
      },
      {
        "number": "48",
        "name": "PDB",
        "type": "input",
        "description": "Inverted power-down input: HIGH enables the device and resets registers to defaults, LOW powers it down with minimum power; weak 3-µA pulldown, and should remain low until supplies reach minimum levels."
      },
      {
        "number": "49",
        "name": "RES0",
        "type": "unconnected",
        "description": "Reserved pin; may be left as No Connect or connected to ground through a 0.1-µF capacitor."
      },
      {
        "number": "50",
        "name": "MODE_SEL1",
        "type": "input",
        "description": "Mode select 1 strap; connect an external pullup to VDD33 and pulldown to GND to form a voltage divider per Table 8."
      },
      {
        "number": "51",
        "name": "VDDP12_CH0",
        "type": "power_in",
        "description": "1.2-V (±5%) supply for FPD-Link III channel 0; TI recommends 10-µF, 1-µF, 0.1-µF and 0.01-µF capacitors to GND."
      },
      {
        "number": "52",
        "name": "VDDR12_CH0",
        "type": "power_in",
        "description": "1.2-V (±5%) supply for FPD-Link III channel 0 receiver; TI recommends 10-µF, 1-µF, 0.1-µF and 0.01-µF capacitors to GND."
      },
      {
        "number": "53",
        "name": "RIN0+",
        "type": "bidirectional",
        "description": "FPD-Link III RX Port 0 positive pin receiving forward-channel video/control and transmitting back-channel data; must be AC-coupled per Table 101."
      },
      {
        "number": "54",
        "name": "RIN0-",
        "type": "bidirectional",
        "description": "FPD-Link III RX Port 0 negative pin receiving forward-channel video/control and transmitting back-channel data; must be AC-coupled per Table 101."
      },
      {
        "number": "55",
        "name": "CMF",
        "type": "passive",
        "description": "Common mode filter; connect a 0.1-µF capacitor to GND."
      },
      {
        "number": "56",
        "name": "VDD33_A",
        "type": "power_in",
        "description": "3.3-V (±10%) supply to the on-chip regulator; must be externally connected, bypassed and driven to the same potential as VDD33_B."
      },
      {
        "number": "57",
        "name": "VDDR12_CH1",
        "type": "power_in",
        "description": "1.2-V (±5%) supply for FPD-Link III channel 1 receiver; TI recommends 10-µF, 1-µF, 0.1-µF and 0.01-µF capacitors to GND."
      },
      {
        "number": "58",
        "name": "RIN1+",
        "type": "bidirectional",
        "description": "FPD-Link III RX Port 1 positive pin receiving forward-channel video/control and transmitting back-channel data; must be AC-coupled per Table 101."
      },
      {
        "number": "59",
        "name": "RIN1-",
        "type": "bidirectional",
        "description": "FPD-Link III RX Port 1 negative pin receiving forward-channel video/control and transmitting back-channel data; must be AC-coupled per Table 101."
      },
      {
        "number": "60",
        "name": "VDDP12_CH1",
        "type": "power_in",
        "description": "1.2-V (±5%) supply for FPD-Link III channel 1; TI recommends 10-µF, 1-µF, 0.1-µF and 0.01-µF capacitors to GND."
      },
      {
        "number": "61",
        "name": "MODE_SEL0",
        "type": "input",
        "description": "Mode select 0 strap; connect an external pullup to VDD33 and pulldown to GND to form a voltage divider per Table 7."
      },
      {
        "number": "62",
        "name": "CMLOUTP",
        "type": "output",
        "description": "Channel monitor loop-through driver differential output (positive); route to a test point or pad with a 100-Ω termination between the pins for channel monitoring (recommended)."
      },
      {
        "number": "63",
        "name": "CMLOUTN",
        "type": "output",
        "description": "Channel monitor loop-through driver differential output (negative); route to a test point or pad with a 100-Ω termination between the pins for channel monitoring (recommended)."
      },
      {
        "number": "64",
        "name": "RES1",
        "type": "unconnected",
        "description": "Reserved pin; may be left as No Connect or connected to ground through a 0.1-µF capacitor."
      },
      {
        "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",
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        "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 die-attach pad (VSS) has no numeric pin number printed in the Pin Functions table; it is; These pins are multifunction (GPIO / D_GPIO / SPI / I2S / PASS). The primary function is listed as t; Pins 4 (BISTC/INTB_IN) and 7 (GPIO0/SDOUT/PASS) change function by mode (BIST, normal, or register s",
          "exposed pad 65 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 20,
        "cost_usd": 0.185,
        "at": "2026-10-11T19:07:09"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ds90ub940n-q1",
        "pages": 100,
        "sha256": "671ea533c2a5b5fa",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 65,
        "described": 65,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-64-EP(9x9)",
      "Category": "Interface",
      "Pins": "65"
    }
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