CDCE421ARGET

{
  "slug": "cdce421arget",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Clock Generators, PLLs, Frequency Synthesizers, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "cdce421arget",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cdce421arget.kicad_sym",
    "cdce421arget.kicad_mod",
    "cdce421arget.glb",
    "cdce421arget.step",
    "cdce421arget.lbr",
    "docs/hero.png",
    "docs/cdce421arget-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cdce421arget-hero.glb",
    "cdce421arget-hero.overlay.json"
  ],
  "component": {
    "mpn": "CDCE421ARGET",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Clock/Timing",
    "subcategory": "Clock Generators, PLLs, Frequency Synthesizers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cdce421a",
    "parts": {
      "symbol": "cdce421arget.kicad_sym",
      "footprint": "cdce421arget.kicad_mod",
      "model_3d": "cdce421arget-hero.glb",
      "model_3d_plain": "cdce421arget.glb",
      "model_3d_step": "cdce421arget-etched.step",
      "model_3d_step_plain": "cdce421arget.step",
      "lbr": "cdce421arget.lbr"
    },
    "distributor_links": {
      "lcsc": "C2662645",
      "digikey": "296-24489-2-ND",
      "mouser": "595-CDCE421ARGET"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:53:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-24489-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CDCE421ARGET",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CE",
        "type": "input",
        "description": "Chip enable: CE = 1 enables the device and outputs, while CE = 0 disables all current sources and puts LVDSP/LVDSN or LVPECLP/LVPECLN into Hi-Z."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "3",
        "name": "SDATA",
        "type": "input",
        "description": "Programming pin for TI's proprietary interface protocol used to configure the device settings stored in EEPROM."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "7",
        "name": "OUTN",
        "type": "output",
        "description": "High-speed negative differential LVPECL or LVDS output, enabled by CE and selected through the EEPROM configuration registers."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection for the device."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection for the device."
      },
      {
        "number": "10",
        "name": "OUTP",
        "type": "output",
        "description": "High-speed positive differential LVPECL or LVDS output, enabled by CE and selected through the EEPROM configuration registers."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V power supply pin; the datasheet recommends 3.0 V to 3.6 V (3.30 V typical) for VDD."
      },
      {
        "number": "17",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V power supply pin; the datasheet recommends 3.0 V to 3.6 V (3.30 V typical) for VDD."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "21",
        "name": "XIN1",
        "type": "input",
        "description": "In crystal mode connects to one crystal terminal; in LVCMOS single-ended input mode it is the input reference."
      },
      {
        "number": "22",
        "name": "XIN2",
        "type": "passive",
        "description": "In crystal mode connects to the other crystal terminal; in LVCMOS single-ended input mode it should be tied to GND or left unconnected."
      },
      {
        "number": "23",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "24",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; do not connect this pin and leave it floating."
      },
      {
        "number": "25",
        "name": "Thermal Pad",
        "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: XIN2 is listed in the pin table as type 'GND/NC' (GND or no connect depending on mode), which has no; The exposed thermal pad on the bottom side is described in the datasheet drawing but is not given a ; Pin descriptions are taken from the Table 1 pin descriptions on page 5; the VCC voltage range in the",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0642,
        "at": "2026-10-08T22:52:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cdce421a",
        "pages": 29,
        "sha256": "600afc6fe92a04f9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cdce421arget.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cdce421arget-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "05f90c9b1ef4211fe4e7167d598661c59fc54c28ad2103902f9db43689f8c475",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}