CC1101RGPR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cc1101rgpr",
  "title": "CC1101RGPR",
  "brief": "Texas Instruments RF Transceiver ICs, QFN-20-EP(4x4). 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",
    "rf and wireless",
    "cc1101rgpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CC1101RGPR",
    "manufacturer": "Texas Instruments",
    "package": "QFN-20-EP(4x4)",
    "pin_count": 21,
    "category": "RF And Wireless",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cc1101",
    "parts": {
      "symbol": "cc1101rgpr.kicad_sym",
      "footprint": "cc1101rgpr.kicad_mod",
      "model_3d": "cc1101rgpr-etched.glb",
      "model_3d_plain": "cc1101rgpr.glb",
      "model_3d_step": "cc1101rgpr-etched.step",
      "model_3d_step_plain": "cc1101rgpr.step",
      "lbr": "cc1101rgpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C29953"
    },
    "pins": [
      {
        "number": "1",
        "name": "SCLK",
        "type": "input",
        "description": "Serial configuration interface clock input."
      },
      {
        "number": "2",
        "name": "SO (GDO1)",
        "type": "tri_state",
        "description": "Serial configuration interface data output; default 3-state operation, reconfigurable as general output when CSn high."
      },
      {
        "number": "3",
        "name": "GDO2",
        "type": "output",
        "description": "Configurable digital output for test signals, FIFO status, clear channel indicator, XOSC clock output, or RX data."
      },
      {
        "number": "4",
        "name": "DVDD",
        "type": "power_in",
        "description": "1.8-3.6 V digital power supply for digital I/Os and digital core voltage regulator."
      },
      {
        "number": "5",
        "name": "DCOUPL",
        "type": "power_out",
        "description": "1.6-2.0 V digital power supply output for decoupling; intended for CC1101 use only."
      },
      {
        "number": "6",
        "name": "GDO0 (ATEST)",
        "type": "bidirectional",
        "description": "Configurable digital I/O for test signals, FIFO status, clear channel, XOSC clock output, RX data, TX data input, and temperature sensor output."
      },
      {
        "number": "7",
        "name": "CSn",
        "type": "input",
        "description": "Serial configuration interface chip select input."
      },
      {
        "number": "8",
        "name": "XOSC_Q1",
        "type": "bidirectional",
        "description": "Crystal oscillator pin 1 or external clock input."
      },
      {
        "number": "9",
        "name": "AVDD",
        "type": "power_in",
        "description": "1.8-3.6 V analog power supply connection."
      },
      {
        "number": "10",
        "name": "XOSC_Q2",
        "type": "bidirectional",
        "description": "Crystal oscillator pin 2."
      },
      {
        "number": "11",
        "name": "AVDD",
        "type": "power_in",
        "description": "1.8-3.6 V analog power supply connection."
      },
      {
        "number": "12",
        "name": "RF_P",
        "type": "bidirectional",
        "description": "Positive RF signal: input to low-noise amplifier in RX mode, output from power amplifier in TX mode."
      },
      {
        "number": "13",
        "name": "RF_N",
        "type": "bidirectional",
        "description": "Negative RF signal: input to low-noise amplifier in RX mode, output from power amplifier in TX mode."
      },
      {
        "number": "14",
        "name": "AVDD",
        "type": "power_in",
        "description": "1.8-3.6 V analog power supply connection."
      },
      {
        "number": "15",
        "name": "AVDD",
        "type": "power_in",
        "description": "1.8-3.6 V analog power supply connection."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground connection."
      },
      {
        "number": "17",
        "name": "RBIAS",
        "type": "bidirectional",
        "description": "External bias resistor connection for setting reference current."
      },
      {
        "number": "18",
        "name": "DGUARD",
        "type": "power_in",
        "description": "Digital power supply connection for digital noise isolation."
      },
      {
        "number": "19",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground connection for noise isolation."
      },
      {
        "number": "20",
        "name": "SI",
        "type": "input",
        "description": "Serial configuration interface data input."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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": [
          "extractor flagged: Exposed die attach pad shown in Figure 8 (PAGE 20) is not explicitly numbered in pinout Table 19 (PA",
          "exposed pad 21 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 23,
        "cost_usd": 0.3237,
        "at": "2026-09-21T20:53:11"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cc1101",
        "pages": 112,
        "sha256": "daa14cd9b83adf92",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cc1101rgpr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cc1101rgpr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "bb1778564767116933a1b6fafccab31f411bc667735ae2997f2097587c64e682",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "QFN-20-EP(4x4)",
      "Category": "RF And Wireless",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cc1101rgpr"
  ],
  "discovery_pitch": "CC1101RGPR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cc1101rgpr.kicad_sym",
    "cc1101rgpr.kicad_mod",
    "cc1101rgpr.glb",
    "cc1101rgpr.step",
    "cc1101rgpr.lbr",
    "docs/hero.png",
    "docs/cc1101rgpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:30:20.790Z"
}