CC2541F128RHAR

{
  "slug": "cc2541f128rhar",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments RF Transceiver ICs, VQFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "cc2541f128rhar",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cc2541f128rhar.kicad_sym",
    "cc2541f128rhar.kicad_mod",
    "cc2541f128rhar.glb",
    "cc2541f128rhar.step",
    "cc2541f128rhar.lbr",
    "docs/hero.png",
    "docs/cc2541f128rhar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cc2541f128rhar-hero.glb",
    "cc2541f128rhar-hero.overlay.json"
  ],
  "component": {
    "mpn": "CC2541F128RHAR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-40-EP(6x6)",
    "pin_count": 41,
    "category": "RF And Wireless",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cc2541",
    "parts": {
      "symbol": "cc2541f128rhar.kicad_sym",
      "footprint": "cc2541f128rhar.kicad_mod",
      "model_3d": "cc2541f128rhar-hero.glb",
      "model_3d_plain": "cc2541f128rhar.glb",
      "model_3d_step": "cc2541f128rhar-etched.step",
      "model_3d_step_plain": "cc2541f128rhar.step",
      "lbr": "cc2541f128rhar.lbr"
    },
    "distributor_links": {
      "lcsc": "C882804",
      "digikey": "296-38900-2-ND",
      "mouser": "595-CC2541F128RHAR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T23:44:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-38900-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CC2541F128RHAR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; connect to GND."
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C clock or digital I/O; leave floating if not used, and if grounded the internal pull-up is disabled."
      },
      {
        "number": "3",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data or digital I/O; leave floating if not used, and if grounded the internal pull-up is disabled."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Unused pin; not connected."
      },
      {
        "number": "5",
        "name": "P1_5",
        "type": "bidirectional",
        "description": "Digital I/O Port 1.5."
      },
      {
        "number": "6",
        "name": "P1_4",
        "type": "bidirectional",
        "description": "Digital I/O Port 1.4."
      },
      {
        "number": "7",
        "name": "P1_3",
        "type": "bidirectional",
        "description": "Digital I/O Port 1.3."
      },
      {
        "number": "8",
        "name": "P1_2",
        "type": "bidirectional",
        "description": "Digital I/O Port 1.2."
      },
      {
        "number": "9",
        "name": "P1_1",
        "type": "bidirectional",
        "description": "Digital I/O Port 1.1 with 20-mA drive capability."
      },
      {
        "number": "10",
        "name": "DVDD2",
        "type": "power_in",
        "description": "2-V to 3.6-V digital power-supply connection."
      },
      {
        "number": "11",
        "name": "P1_0",
        "type": "bidirectional",
        "description": "Digital I/O Port 1.0 with 20-mA drive capability."
      },
      {
        "number": "12",
        "name": "P0_7",
        "type": "bidirectional",
        "description": "Digital I/O Port 0.7."
      },
      {
        "number": "13",
        "name": "P0_6",
        "type": "bidirectional",
        "description": "Digital I/O Port 0.6."
      },
      {
        "number": "14",
        "name": "P0_5",
        "type": "bidirectional",
        "description": "Digital I/O Port 0.5."
      },
      {
        "number": "15",
        "name": "P0_4",
        "type": "bidirectional",
        "description": "Digital I/O Port 0.4."
      },
      {
        "number": "16",
        "name": "P0_3",
        "type": "bidirectional",
        "description": "Digital I/O Port 0.3."
      },
      {
        "number": "17",
        "name": "P0_2",
        "type": "bidirectional",
        "description": "Digital I/O Port 0.2."
      },
      {
        "number": "18",
        "name": "P0_1",
        "type": "bidirectional",
        "description": "Digital I/O Port 0.1."
      },
      {
        "number": "19",
        "name": "P0_0",
        "type": "bidirectional",
        "description": "Digital I/O Port 0.0."
      },
      {
        "number": "20",
        "name": "RESET_N",
        "type": "input",
        "description": "Reset input, active-low."
      },
      {
        "number": "21",
        "name": "AVDD5",
        "type": "power_in",
        "description": "2-V to 3.6-V analog power-supply connection."
      },
      {
        "number": "22",
        "name": "XOSC_Q1",
        "type": "bidirectional",
        "description": "32-MHz crystal oscillator pin 1 or external clock input."
      },
      {
        "number": "23",
        "name": "XOSC_Q2",
        "type": "bidirectional",
        "description": "32-MHz crystal oscillator pin 2."
      },
      {
        "number": "24",
        "name": "AVDD3",
        "type": "power_in",
        "description": "2-V to 3.6-V analog power-supply connection."
      },
      {
        "number": "25",
        "name": "RF_P",
        "type": "bidirectional",
        "description": "Positive RF input to the LNA during RX and positive RF output from the PA during TX."
      },
      {
        "number": "26",
        "name": "RF_N",
        "type": "bidirectional",
        "description": "Negative RF input to the LNA during RX and negative RF output from the PA during TX."
      },
      {
        "number": "27",
        "name": "AVDD2",
        "type": "power_in",
        "description": "2-V to 3.6-V analog power-supply connection."
      },
      {
        "number": "28",
        "name": "AVDD1",
        "type": "power_in",
        "description": "2-V to 3.6-V analog power-supply connection."
      },
      {
        "number": "29",
        "name": "AVDD4",
        "type": "power_in",
        "description": "2-V to 3.6-V analog power-supply connection."
      },
      {
        "number": "30",
        "name": "RBIAS",
        "type": "passive",
        "description": "External precision bias resistor for the reference current."
      },
      {
        "number": "31",
        "name": "AVDD6",
        "type": "power_in",
        "description": "2-V to 3.6-V analog power-supply connection."
      },
      {
        "number": "32",
        "name": "P2_4 / OSC32K_Q1",
        "type": "bidirectional",
        "description": "Digital I/O Port 2.4, also 32.768-kHz crystal oscillator pin 1."
      },
      {
        "number": "33",
        "name": "P2_3 / OSC32K_Q2",
        "type": "bidirectional",
        "description": "Digital I/O Port 2.3, also 32.768-kHz crystal oscillator pin 2."
      },
      {
        "number": "34",
        "name": "P2_2/DC",
        "type": "bidirectional",
        "description": "Digital I/O Port 2.2, also debug clock."
      },
      {
        "number": "35",
        "name": "P2_1/DD",
        "type": "bidirectional",
        "description": "Digital I/O Port 2.1, also debug data."
      },
      {
        "number": "36",
        "name": "P2_0",
        "type": "bidirectional",
        "description": "Digital I/O Port 2.0."
      },
      {
        "number": "37",
        "name": "P1_7",
        "type": "bidirectional",
        "description": "Digital I/O Port 1.7."
      },
      {
        "number": "38",
        "name": "P1_6",
        "type": "bidirectional",
        "description": "Digital I/O Port 1.6."
      },
      {
        "number": "39",
        "name": "DVDD1",
        "type": "power_in",
        "description": "2-V to 3.6-V digital power-supply connection."
      },
      {
        "number": "40",
        "name": "DCOUPL",
        "type": "power_out",
        "description": "1.8-V digital power-supply decoupling; do not use for supplying external circuits."
      },
      {
        "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: The exposed thermal ground pad (GND, 'Ground Pad' in Figure 8 and the pin table) is not given a pin ; Pin 40 DCOUPL is listed as 'Power (digital)' in the datasheet, but it is the output of the on-chip 1; The page 16 pinout figure text is garbled in the extraction, so pin numbers were taken from the PIN ",
          "exposed pad 41 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0948,
        "at": "2026-10-07T23:44:31"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cc2541",
        "pages": 43,
        "sha256": "6b1813796f4e03c7",
        "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": "cc2541f128rhar.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cc2541f128rhar-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0891509244d4bb438f7ea5c5ba608cc3838cf9e04c81ddb73cef7535c87fa080",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}