LMH0397RTVR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lmh0397rtvr",
  "title": "LMH0397RTVR",
  "brief": "Texas Instruments Video Interface ICs, WQFN-32-EP(5x5). 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",
    "lmh0397rtvr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LMH0397RTVR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Interface",
    "subcategory": "Video Interface ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lmh0397",
    "parts": {
      "symbol": "lmh0397rtvr.kicad_sym",
      "footprint": "lmh0397rtvr.kicad_mod",
      "model_3d": "lmh0397rtvr-hero.glb",
      "model_3d_plain": "lmh0397rtvr.glb",
      "model_3d_step": "lmh0397rtvr-etched.step",
      "model_3d_step_plain": "lmh0397rtvr.step",
      "lbr": "lmh0397rtvr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2652750",
      "digikey": "296-52657-2-ND",
      "mouser": "595-LMH0397RTVR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T14:47:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-52657-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LMH0397RTVR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SDI_IO+",
        "type": "bidirectional",
        "description": "Single-ended complementary 75-Ω SDI port with on-chip termination and return-loss network, used as the cable equalizer input in EQ mode or cable driver output in CD mode, AC-coupled with 4.7 µF to the BNC."
      },
      {
        "number": "2",
        "name": "SDI_IO-",
        "type": "bidirectional",
        "description": "Complementary half of the SDI_IO± port, AC-coupled with 4.7 µF and terminated with an external 75-Ω resistor to GND."
      },
      {
        "number": "3",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "4",
        "name": "OUT0_SEL",
        "type": "input",
        "description": "Enables the 100-Ω host-side output driver at OUT0±; internally pulled high by default (OUT0 disabled), although OUT0 is enabled by default in EQ mode regardless of this pin."
      },
      {
        "number": "5",
        "name": "EQ/CD_SEL",
        "type": "input",
        "description": "Selects the signal direction of the bidirectional I/O as adaptive equalizer (EQ mode) or cable driver (CD mode); internally pulled low by default (EQ mode)."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "7",
        "name": "SDI_OUT-",
        "type": "output",
        "description": "Complementary half of the SDI_OUT± 75-Ω output with on-chip termination, used as loop-through output in EQ mode or second fan-out cable driver in CD mode, AC-coupled with 4.7 µF and terminated with an external 75-Ω resistor to GND."
      },
      {
        "number": "8",
        "name": "SDI_OUT+",
        "type": "output",
        "description": "Single-ended complementary 75-Ω output with on-chip termination and return-loss network, used as loop-through output in EQ mode or second fan-out cable driver in CD mode, AC-coupled with 4.7 µF to the BNC."
      },
      {
        "number": "9",
        "name": "HOST_EQ0",
        "type": "input",
        "description": "4-level pin that selects the OUT0± driver VOD and de-emphasis in EQ mode and the IN0± equalizer setting in CD mode."
      },
      {
        "number": "10",
        "name": "RSV1",
        "type": "unconnected",
        "description": "Reserved pin; do not connect."
      },
      {
        "number": "11",
        "name": "SS_N_ADDR0",
        "type": "input",
        "description": "In SPI mode this is the active-low slave select (2.5-V LVCMOS, internally pulled high); in SMBus mode it is the 4-level address strap ADDR0 read at power-up."
      },
      {
        "number": "12",
        "name": "MODE_SEL",
        "type": "input",
        "description": "4-level pin that selects SPI (float) or SMBus (1 kΩ to VSS) control; levels H and R are reserved for factory testing and must not be used."
      },
      {
        "number": "13",
        "name": "MOSI_SDA",
        "type": "bidirectional",
        "description": "In SPI mode this is the 2.5-V LVCMOS MOSI data input; in SMBus mode it is the 3.3-V tolerant open-drain SDA data line that requires an external pullup to the SMBus termination voltage."
      },
      {
        "number": "14",
        "name": "SDI_OUT_SEL",
        "type": "input",
        "description": "Enables the 75-Ω output driver at SDI_OUT±; internally pulled high by default (SDI_OUT disabled)."
      },
      {
        "number": "15",
        "name": "RSV2",
        "type": "unconnected",
        "description": "Reserved pin; do not connect."
      },
      {
        "number": "16",
        "name": "RSV3",
        "type": "unconnected",
        "description": "Reserved pin; do not connect."
      },
      {
        "number": "17",
        "name": "OUT_CTRL",
        "type": "input",
        "description": "4-level pin that selects the signal routed to the output, enabling or bypassing the reclocker and the cable equalizer."
      },
      {
        "number": "18",
        "name": "IN0-",
        "type": "input",
        "description": "Differential host video processor input with on-chip 100-Ω differential termination, requiring external 4.7-µF AC-coupling capacitors for SMPTE applications."
      },
      {
        "number": "19",
        "name": "IN0+",
        "type": "input",
        "description": "Differential host video processor input with on-chip 100-Ω differential termination, requiring external 4.7-µF AC-coupling capacitors for SMPTE applications."
      },
      {
        "number": "20",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "21",
        "name": "VDD_CDR",
        "type": "power_in",
        "description": "Powers the reclocker circuitry and is connected to the same 2.5-V ±5% supply as VIN."
      },
      {
        "number": "22",
        "name": "OUT0-",
        "type": "output",
        "description": "Differential host-side output with on-chip 100-Ω differential termination, requiring external 4.7-µF AC-coupling capacitors for SMPTE applications."
      },
      {
        "number": "23",
        "name": "OUT0+",
        "type": "output",
        "description": "Differential host-side output with on-chip 100-Ω differential termination, requiring external 4.7-µF AC-coupling capacitors for SMPTE applications."
      },
      {
        "number": "24",
        "name": "SDI_VOD",
        "type": "input",
        "description": "4-level pin that selects one of four output amplitudes for the cable drivers at SDI_IO± and SDI_OUT±."
      },
      {
        "number": "25",
        "name": "RSV4",
        "type": "unconnected",
        "description": "Reserved pin; do not connect."
      },
      {
        "number": "26",
        "name": "RSV5",
        "type": "unconnected",
        "description": "Reserved pin; do not connect."
      },
      {
        "number": "27",
        "name": "LOCK_N",
        "type": "output",
        "description": "3.3-V tolerant, active-low open-drain reclocker lock indicator (also configurable as CD_N or INT_N) that requires an external resistor to a logic supply."
      },
      {
        "number": "28",
        "name": "MISO_ADDR1",
        "type": "output",
        "description": "In SPI mode this is the 2.5-V LVCMOS MISO serial data output; in SMBus mode it is the 4-level address strap ADDR1 read at power-up."
      },
      {
        "number": "29",
        "name": "SCK_SCL",
        "type": "bidirectional",
        "description": "In SPI mode this is the 2.5-V LVCMOS serial clock input (external pullup recommended); in SMBus mode it is the 3.3-V tolerant open-drain SCL clock that requires an external pullup to the SMBus termination voltage."
      },
      {
        "number": "30",
        "name": "VIN",
        "type": "power_in",
        "description": "Connected to an external 2.5-V ±5% power supply (2.375 V to 2.625 V)."
      },
      {
        "number": "31",
        "name": "VDD_LDO",
        "type": "power_out",
        "description": "Output of the internal 1.8-V LDO regulator that powers internal circuitry only and requires external 1-µF and 0.1-µF bypass capacitors to VSS."
      },
      {
        "number": "32",
        "name": "ENABLE",
        "type": "input",
        "description": "Logic high enables normal operation and logic low places the device in power-down mode; internally pulled high by default."
      },
      {
        "number": "33",
        "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 pad is not numbered in the datasheet; it is listed as 'EP' and typed power_in (datasheet; Pins 11, 13, 28 and 29 are multi-function: SPI or SMBus function depends on MODE_SEL. Names follow t; Reserved pins RSV1-RSV5 are typed unconnected based on the 'Do not connect' note.",
          "exposed pad 33 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1006,
        "at": "2026-10-11T14:47:01"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lmh0397",
        "pages": 48,
        "sha256": "6e0470df8d07a8c0",
        "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": "lmh0397rtvr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.875
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lmh0397rtvr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.875
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "951ea01b6ab59bd9b3906188b7a78f044d9c2607264523dce385f5c380e0cfc9",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-32-EP(5x5)",
      "Category": "Interface",
      "Pins": "33"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lmh0397rtvr"
  ],
  "discovery_pitch": "LMH0397RTVR (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": [
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    "README.md",
    "lmh0397rtvr.kicad_sym",
    "lmh0397rtvr.kicad_mod",
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    "lmh0397rtvr.step",
    "lmh0397rtvr.lbr",
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    "docs/lmh0397rtvr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lmh0397rtvr-hero.glb",
    "lmh0397rtvr-hero.overlay.json"
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  "visibility": {
    "public": true
  }
}