LMK00804BQWRGTRQ1

{
  "slug": "lmk00804bqwrgtrq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Clock Buffers, Drivers, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rtc-clock chip",
    "lmk00804bqwrgtrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lmk00804bqwrgtrq1.kicad_sym",
    "lmk00804bqwrgtrq1.kicad_mod",
    "lmk00804bqwrgtrq1.glb",
    "lmk00804bqwrgtrq1.step",
    "lmk00804bqwrgtrq1.lbr",
    "docs/hero.png",
    "docs/lmk00804bqwrgtrq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lmk00804bqwrgtrq1-hero.glb",
    "lmk00804bqwrgtrq1-hero.overlay.json"
  ],
  "component": {
    "mpn": "LMK00804BQWRGTRQ1",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "RTC/Clock Chip",
    "subcategory": "Clock Buffers, Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lmk00804b-q1",
    "parts": {
      "symbol": "lmk00804bqwrgtrq1.kicad_sym",
      "footprint": "lmk00804bqwrgtrq1.kicad_mod",
      "model_3d": "lmk00804bqwrgtrq1-hero.glb",
      "model_3d_plain": "lmk00804bqwrgtrq1.glb",
      "model_3d_step": "lmk00804bqwrgtrq1-etched.step",
      "model_3d_step_plain": "lmk00804bqwrgtrq1.step",
      "lbr": "lmk00804bqwrgtrq1.lbr"
    },
    "distributor_links": {
      "lcsc": 1849244,
      "digikey": "296-LMK00804BQWRGTRQ1TR-ND",
      "mouser": "595-MK00804BQWRGTRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T20:25:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LMK00804BQWRGTRQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-MK00804BQWRGTRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply ground"
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin; do not connect to GND"
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input terminal; supply voltage 3.135 to 3.465 V nominal 3.3 V"
      },
      {
        "number": "4",
        "name": "CLK_EN",
        "type": "input",
        "description": "Synchronous clock enable input; 0 forces outputs to logic low state, 1 enables outputs with LVCMOS/LVTTL levels"
      },
      {
        "number": "5",
        "name": "CLK_P",
        "type": "input",
        "description": "Noninverting differential clock input with internal 51-kΩ pulldown resistor to GND; accepts LVPECL, LVDS, HCSL, SSTL, LVHSTL or LVCMOS/LVTTL"
      },
      {
        "number": "6",
        "name": "CLK_N",
        "type": "input",
        "description": "Inverting differential clock input with internal 51-kΩ pullup resistor to VDD and 51-kΩ pulldown to GND; internally biased to VDD/2 when floating"
      },
      {
        "number": "7",
        "name": "CLK_SEL",
        "type": "input",
        "description": "Clock select input; 0 selects LVCMOS_CLK (pin 8), 1 selects CLK_P/CLK_N (pins 5, 6)"
      },
      {
        "number": "8",
        "name": "LVCMOS_CLK",
        "type": "input",
        "description": "Single-ended clock input with internal 51-kΩ pulldown resistor to GND; accepts LVCMOS/LVTTL levels"
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply ground"
      },
      {
        "number": "10",
        "name": "Q3",
        "type": "output",
        "description": "Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz"
      },
      {
        "number": "11",
        "name": "VDDO",
        "type": "power_in",
        "description": "Output power supply terminal; supply voltage 3.135 to 3.465 V, 2.375 to 2.625 V, 1.71 to 1.89 V, or 1.425 to 1.575 V"
      },
      {
        "number": "12",
        "name": "Q2",
        "type": "output",
        "description": "Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz"
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply ground"
      },
      {
        "number": "14",
        "name": "Q1",
        "type": "output",
        "description": "Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz"
      },
      {
        "number": "15",
        "name": "VDDO",
        "type": "power_in",
        "description": "Output power supply terminal; supply voltage 3.135 to 3.465 V, 2.375 to 2.625 V, 1.71 to 1.89 V, or 1.425 to 1.575 V"
      },
      {
        "number": "16",
        "name": "Q0",
        "type": "output",
        "description": "Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz"
      },
      {
        "number": "17",
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1023,
        "at": "2026-10-05T20:25:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lmk00804b-q1",
        "pages": 29,
        "sha256": "b58ecb79387c6fb9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}