DS91M040TSQX

{
  "slug": "ds91m040tsqx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments LVDS ICs, WQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "ds91m040tsqx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds91m040tsqx.kicad_sym",
    "ds91m040tsqx.kicad_mod",
    "ds91m040tsqx.glb",
    "ds91m040tsqx.step",
    "ds91m040tsqx.lbr",
    "docs/hero.png",
    "docs/ds91m040tsqx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "DS91M040TSQX",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Interface",
    "subcategory": "LVDS ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ds91m040",
    "parts": {
      "symbol": "ds91m040tsqx.kicad_sym",
      "footprint": "ds91m040tsqx.kicad_mod",
      "model_3d": "ds91m040tsqx-etched.glb",
      "model_3d_plain": "ds91m040tsqx.glb",
      "model_3d_step": "ds91m040tsqx-etched.step",
      "model_3d_step_plain": "ds91m040tsqx.step",
      "lbr": "ds91m040tsqx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2672371"
    },
    "distributor_check": {
      "checked_at": "2026-09-27T07:05:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO0",
        "type": "tri_state",
        "description": "Channel 0 LVCMOS receiver output; VOH ≥ 2.4 V at IOH = −8 mA, VOL ≤ 0.4 V at IOL = 8 mA; tri-stated (IOZ ≤ ±10 µA) when RE0 = H."
      },
      {
        "number": "2",
        "name": "DI0",
        "type": "input",
        "description": "Channel 0 LVCMOS driver input; VIH = 2.0 V min, VIL = 0.8 V max; converts LVTTL/LVCMOS logic to M-LVDS on A0/B0 when DE0 = H."
      },
      {
        "number": "3",
        "name": "RO1",
        "type": "tri_state",
        "description": "Channel 1 LVCMOS receiver output; VOH ≥ 2.4 V at IOH = −8 mA, VOL ≤ 0.4 V at IOL = 8 mA; tri-stated (IOZ ≤ ±10 µA) when RE1 = H."
      },
      {
        "number": "4",
        "name": "DI1",
        "type": "input",
        "description": "Channel 1 LVCMOS driver input; VIH = 2.0 V min, VIL = 0.8 V max; converts LVTTL/LVCMOS logic to M-LVDS on A1/B1 when DE1 = H."
      },
      {
        "number": "5",
        "name": "RO2",
        "type": "tri_state",
        "description": "Channel 2 LVCMOS receiver output; VOH ≥ 2.4 V at IOH = −8 mA, VOL ≤ 0.4 V at IOL = 8 mA; tri-stated (IOZ ≤ ±10 µA) when RE2 = H."
      },
      {
        "number": "6",
        "name": "DI2",
        "type": "input",
        "description": "Channel 2 LVCMOS driver input; VIH = 2.0 V min, VIL = 0.8 V max; converts LVTTL/LVCMOS logic to M-LVDS on A2/B2 when DE2 = H."
      },
      {
        "number": "7",
        "name": "RO3",
        "type": "tri_state",
        "description": "Channel 3 LVCMOS receiver output; VOH ≥ 2.4 V at IOH = −8 mA, VOL ≤ 0.4 V at IOL = 8 mA; tri-stated (IOZ ≤ ±10 µA) when RE3 = H."
      },
      {
        "number": "8",
        "name": "DI3",
        "type": "input",
        "description": "Channel 3 LVCMOS driver input; VIH = 2.0 V min, VIL = 0.8 V max; converts LVTTL/LVCMOS logic to M-LVDS on A3/B3 when DE3 = H."
      },
      {
        "number": "9",
        "name": "FSEN2",
        "type": "input",
        "description": "Failsafe receiver-type select for channels 1 and 3 with 300 kΩ internal pullup; FSEN2 = L → Type 1 thresholds (VIT± = ±50 mV), FSEN2 = H → Type 2 thresholds (VIT+ = 100-150 mV)."
      },
      {
        "number": "10",
        "name": "MDE",
        "type": "input",
        "description": "Master device enable; MDE = H powers up device, MDE = L overrides all other controls and powers down device (ICCPD = 3-5 mA); wake-up time 500 ms."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_in",
        "description": "+3.3 V ± 0.3 V power supply pin; recommended operating range VDD = 3.0-3.6 V."
      },
      {
        "number": "12",
        "name": "VDD",
        "type": "power_in",
        "description": "+3.3 V ± 0.3 V power supply pin; recommended operating range VDD = 3.0-3.6 V."
      },
      {
        "number": "13",
        "name": "RE2",
        "type": "input",
        "description": "Channel 2 LVCMOS receiver enable with 300 kΩ internal pullup; RE2 = L enables receiver, RE2 = H tri-states RO2 output."
      },
      {
        "number": "14",
        "name": "DE2",
        "type": "input",
        "description": "Channel 2 LVCMOS driver enable with 300 kΩ internal pulldown; DE2 = H enables driver, DE2 = L tri-states A2/B2 outputs."
      },
      {
        "number": "15",
        "name": "RE3",
        "type": "input",
        "description": "Channel 3 LVCMOS receiver enable with 300 kΩ internal pullup; RE3 = L enables receiver, RE3 = H tri-states RO3 output."
      },
      {
        "number": "16",
        "name": "DE3",
        "type": "input",
        "description": "Channel 3 LVCMOS driver enable with 300 kΩ internal pulldown; DE3 = H enables driver, DE3 = L tri-states A3/B3 outputs."
      },
      {
        "number": "17",
        "name": "A3",
        "type": "bidirectional",
        "description": "Channel 3 non-inverting M-LVDS driver output / receiver input; |VAB| = 480-650 mV into 50 Ω, VOS = 0.3-2.1 V; input CM range −1.4 V to +3.8 V; 8 kV HBM ESD."
      },
      {
        "number": "18",
        "name": "B3",
        "type": "bidirectional",
        "description": "Channel 3 inverting M-LVDS driver output / receiver input; |VAB| = 480-650 mV into 50 Ω, VOS = 0.3-2.1 V; input CM range −1.4 V to +3.8 V; 8 kV HBM ESD."
      },
      {
        "number": "19",
        "name": "A2",
        "type": "bidirectional",
        "description": "Channel 2 non-inverting M-LVDS driver output / receiver input; |VAB| = 480-650 mV into 50 Ω, VOS = 0.3-2.1 V; input CM range −1.4 V to +3.8 V; 8 kV HBM ESD."
      },
      {
        "number": "20",
        "name": "B2",
        "type": "bidirectional",
        "description": "Channel 2 inverting M-LVDS driver output / receiver input; |VAB| = 480-650 mV into 50 Ω, VOS = 0.3-2.1 V; input CM range −1.4 V to +3.8 V; 8 kV HBM ESD."
      },
      {
        "number": "21",
        "name": "A1",
        "type": "bidirectional",
        "description": "Channel 1 non-inverting M-LVDS driver output / receiver input; |VAB| = 480-650 mV into 50 Ω, VOS = 0.3-2.1 V; input CM range −1.4 V to +3.8 V; 8 kV HBM ESD."
      },
      {
        "number": "22",
        "name": "B1",
        "type": "bidirectional",
        "description": "Channel 1 inverting M-LVDS driver output / receiver input; |VAB| = 480-650 mV into 50 Ω, VOS = 0.3-2.1 V; input CM range −1.4 V to +3.8 V; 8 kV HBM ESD."
      },
      {
        "number": "23",
        "name": "A0",
        "type": "bidirectional",
        "description": "Channel 0 non-inverting M-LVDS driver output / receiver input; |VAB| = 480-650 mV into 50 Ω, VOS = 0.3-2.1 V; input CM range −1.4 V to +3.8 V; 8 kV HBM ESD."
      },
      {
        "number": "24",
        "name": "B0",
        "type": "bidirectional",
        "description": "Channel 0 inverting M-LVDS driver output / receiver input; |VAB| = 480-650 mV into 50 Ω, VOS = 0.3-2.1 V; input CM range −1.4 V to +3.8 V; 8 kV HBM ESD."
      },
      {
        "number": "25",
        "name": "DE0",
        "type": "input",
        "description": "Channel 0 LVCMOS driver enable with 300 kΩ internal pulldown; DE0 = H enables driver, DE0 = L tri-states A0/B0 outputs."
      },
      {
        "number": "26",
        "name": "RE0",
        "type": "input",
        "description": "Channel 0 LVCMOS receiver enable with 300 kΩ internal pullup; RE0 = L enables receiver, RE0 = H tri-states RO0 output."
      },
      {
        "number": "27",
        "name": "DE1",
        "type": "input",
        "description": "Channel 1 LVCMOS driver enable with 300 kΩ internal pulldown; DE1 = H enables driver, DE1 = L tri-states A1/B1 outputs."
      },
      {
        "number": "28",
        "name": "RE1",
        "type": "input",
        "description": "Channel 1 LVCMOS receiver enable with 300 kΩ internal pullup; RE1 = L enables receiver, RE1 = H tri-states RO1 output."
      },
      {
        "number": "29",
        "name": "VDD",
        "type": "power_in",
        "description": "+3.3 V ± 0.3 V power supply pin; recommended operating range VDD = 3.0-3.6 V."
      },
      {
        "number": "30",
        "name": "VDD",
        "type": "power_in",
        "description": "+3.3 V ± 0.3 V power supply pin; recommended operating range VDD = 3.0-3.6 V."
      },
      {
        "number": "31",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin; 0 V reference for all supply voltages."
      },
      {
        "number": "32",
        "name": "FSEN1",
        "type": "input",
        "description": "Failsafe receiver-type select for channels 0 and 2 with 300 kΩ internal pullup; FSEN1 = L → Type 1 thresholds (VIT± = ±50 mV), FSEN1 = H → Type 2 thresholds (VIT+ = 100-150 mV)."
      },
      {
        "number": "33",
        "name": "DAP",
        "type": "power_in",
        "description": "Exposed thermal pad, electrically GND; must be soldered to PCB ground plane for thermal and mechanical performance (θJC = 2.8 °C/W, θJA = 29.4 °C/W on 4-layer 2 oz Cu board)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 33 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 23,
        "cost_usd": 0.6979,
        "at": "2026-09-27T07:04:51"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ds91m040",
        "pages": 23,
        "sha256": "9be2a4c2c06208b6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ds91m040tsqx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds91m040tsqx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d4f845c2a339ab52e84f066e148086b694ee698db20a4b40c92e4c6a630cd2be",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}