main
Ray Set visibility: public 669c43b 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lmk1d1208prhar",
  "title": "LMK1D1208PRHAR",
  "brief": "Texas Instruments Clock Buffers, Drivers, Distributors, VQFN-40(6x6). 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",
    "clock-timing",
    "lmk1d1208prhar",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LMK1D1208PRHAR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-40(6x6)",
    "pin_count": 41,
    "category": "Clock/Timing",
    "subcategory": "Clock Buffers, Drivers, Distributors",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lmk1d1208p",
    "parts": {
      "symbol": "lmk1d1208prhar.kicad_sym",
      "footprint": "lmk1d1208prhar.kicad_mod",
      "model_3d": "lmk1d1208prhar-hero.glb",
      "model_3d_plain": "lmk1d1208prhar.glb",
      "model_3d_step": "lmk1d1208prhar-etched.step",
      "model_3d_step_plain": "lmk1d1208prhar.step",
      "lbr": "lmk1d1208prhar.lbr"
    },
    "distributor_links": {
      "lcsc": "C3613705",
      "digikey": "296-LMK1D1208PRHARTR-ND",
      "mouser": "595-LMK1D1208PRHAR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T18:38:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LMK1D1208PRHARTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LMK1D1208PRHAR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN_SEL",
        "type": "input",
        "description": "Input select with an internal 500-kΩ pullup and 320-kΩ pulldown that selects which clock input (IN0 or IN1) is sent to the outputs (see Table 9-2)."
      },
      {
        "number": "2",
        "name": "IN1_P",
        "type": "input",
        "description": "Secondary clock input, positive side of the differential pair or single-ended input; accepts LVDS, LVPECL, LVCMOS, HCSL or CML."
      },
      {
        "number": "3",
        "name": "IN1_N",
        "type": "input",
        "description": "Secondary clock input, negative side of the differential pair; when driving single-ended, an appropriate bias voltage must be applied to this unused pin."
      },
      {
        "number": "4",
        "name": "VAC_REF0",
        "type": "output",
        "description": "Bias voltage output for capacitively coupled inputs; if used, TI recommends a 0.1-µF capacitor to GND on this pin."
      },
      {
        "number": "5",
        "name": "OE7",
        "type": "input",
        "description": "Output enable for channel 7: HIGH (default) enables OUT7; LOW disables OUT7 into Hi-Z state."
      },
      {
        "number": "6",
        "name": "OE0",
        "type": "input",
        "description": "Output enable for channel 0: HIGH (default) enables OUT0; LOW disables OUT0 into Hi-Z state."
      },
      {
        "number": "7",
        "name": "VAC_REF1",
        "type": "output",
        "description": "Bias voltage output for capacitively coupled inputs; if used, TI recommends a 0.1-µF capacitor to GND on this pin."
      },
      {
        "number": "8",
        "name": "IN0_P",
        "type": "input",
        "description": "Primary clock input, positive side of the differential pair or single-ended input; accepts LVDS, LVPECL, LVCMOS, HCSL or CML."
      },
      {
        "number": "9",
        "name": "IN0_N",
        "type": "input",
        "description": "Primary clock input, negative side of the differential pair; when driving single-ended, an appropriate bias voltage must be applied to this unused pin."
      },
      {
        "number": "10",
        "name": "AMP_SEL",
        "type": "input",
        "description": "Output amplitude swing select with an internal 500-kΩ pullup and 320-kΩ pulldown (see Table 9-4)."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_in",
        "description": "Device power supply, 1.8 V, 2.5 V or 3.3 V (supply range 1.71-1.89 V, 2.375-2.625 V, or 3.135-3.465 V)."
      },
      {
        "number": "12",
        "name": "OUT0_P",
        "type": "output",
        "description": "Differential LVDS output pair 0, positive side."
      },
      {
        "number": "13",
        "name": "OUT0_N",
        "type": "output",
        "description": "Differential LVDS output pair 0, negative side."
      },
      {
        "number": "14",
        "name": "OUT1_P",
        "type": "output",
        "description": "Differential LVDS output pair 1, positive side."
      },
      {
        "number": "15",
        "name": "OUT1_N",
        "type": "output",
        "description": "Differential LVDS output pair 1, negative side."
      },
      {
        "number": "16",
        "name": "OE1",
        "type": "input",
        "description": "Output enable for channel 1: HIGH (default) enables OUT1; LOW disables OUT1 into Hi-Z state."
      },
      {
        "number": "17",
        "name": "OE2",
        "type": "input",
        "description": "Output enable for channel 2: HIGH (default) enables OUT2; LOW disables OUT2 into Hi-Z state."
      },
      {
        "number": "18",
        "name": "OE3",
        "type": "input",
        "description": "Output enable for channel 3: HIGH (default) enables OUT3; LOW disables OUT3 into Hi-Z state."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating."
      },
      {
        "number": "20",
        "name": "VDD",
        "type": "power_in",
        "description": "Device power supply, 1.8 V, 2.5 V or 3.3 V (supply range 1.71-1.89 V, 2.375-2.625 V, or 3.135-3.465 V)."
      },
      {
        "number": "21",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "22",
        "name": "OUT2_P",
        "type": "output",
        "description": "Differential LVDS output pair 2, positive side."
      },
      {
        "number": "23",
        "name": "OUT2_N",
        "type": "output",
        "description": "Differential LVDS output pair 2, negative side."
      },
      {
        "number": "24",
        "name": "OUT3_P",
        "type": "output",
        "description": "Differential LVDS output pair 3, positive side."
      },
      {
        "number": "25",
        "name": "OUT3_N",
        "type": "output",
        "description": "Differential LVDS output pair 3, negative side."
      },
      {
        "number": "26",
        "name": "OUT4_P",
        "type": "output",
        "description": "Differential LVDS output pair 4, positive side."
      },
      {
        "number": "27",
        "name": "OUT4_N",
        "type": "output",
        "description": "Differential LVDS output pair 4, negative side."
      },
      {
        "number": "28",
        "name": "OUT5_P",
        "type": "output",
        "description": "Differential LVDS output pair 5, positive side."
      },
      {
        "number": "29",
        "name": "OUT5_N",
        "type": "output",
        "description": "Differential LVDS output pair 5, negative side."
      },
      {
        "number": "30",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "31",
        "name": "VDD",
        "type": "power_in",
        "description": "Device power supply, 1.8 V, 2.5 V or 3.3 V (supply range 1.71-1.89 V, 2.375-2.625 V, or 3.135-3.465 V)."
      },
      {
        "number": "32",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating."
      },
      {
        "number": "33",
        "name": "OE4",
        "type": "input",
        "description": "Output enable for channel 4: HIGH (default) enables OUT4; LOW disables OUT4 into Hi-Z state."
      },
      {
        "number": "34",
        "name": "OE5",
        "type": "input",
        "description": "Output enable for channel 5: HIGH (default) enables OUT5; LOW disables OUT5 into Hi-Z state."
      },
      {
        "number": "35",
        "name": "OE6",
        "type": "input",
        "description": "Output enable for channel 6: HIGH (default) enables OUT6; LOW disables OUT6 into Hi-Z state."
      },
      {
        "number": "36",
        "name": "OUT6_P",
        "type": "output",
        "description": "Differential LVDS output pair 6, positive side."
      },
      {
        "number": "37",
        "name": "OUT6_N",
        "type": "output",
        "description": "Differential LVDS output pair 6, negative side."
      },
      {
        "number": "38",
        "name": "OUT7_P",
        "type": "output",
        "description": "Differential LVDS output pair 7, positive side."
      },
      {
        "number": "39",
        "name": "OUT7_N",
        "type": "output",
        "description": "Differential LVDS output pair 7, negative side."
      },
      {
        "number": "40",
        "name": "VDD",
        "type": "power_in",
        "description": "Device power supply, 1.8 V, 2.5 V or 3.3 V (supply range 1.71-1.89 V, 2.375-2.625 V, or 3.135-3.465 V)."
      },
      {
        "number": "41",
        "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: Table 5-1 lists the LMK1D1208P package as 'VQGN (40)', while the pin configuration figure, Table 6-1; The DAP (die attach pad) has no numeric pin number in the datasheet; it is listed as 'DAP' and is in; The extracted text for the VAC_REF0 (pin 4) and VAC_REF1 (pin 7) descriptions is garbled. The pin na",
          "exposed pad 41 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0704,
        "at": "2026-10-11T18:38:15"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lmk1d1208p",
        "pages": 37,
        "sha256": "6971e5b101c5e8f8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 41,
        "described": 41,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lmk1d1208prhar.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          6,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lmk1d1208prhar-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          6,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "eecfb6cbe0b7967b8f6d0e8e8d8cb0308d9b696e272c8544a742f16714cf9775",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-40(6x6)",
      "Category": "Clock/Timing",
      "Pins": "41"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lmk1d1208prhar"
  ],
  "discovery_pitch": "LMK1D1208PRHAR (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",
    "lmk1d1208prhar.kicad_sym",
    "lmk1d1208prhar.kicad_mod",
    "lmk1d1208prhar.glb",
    "lmk1d1208prhar.step",
    "lmk1d1208prhar.lbr",
    "docs/hero.png",
    "docs/lmk1d1208prhar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lmk1d1208prhar-hero.glb",
    "lmk1d1208prhar-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}