CC2541F256RHAT

{
  "schema_version": 1,
  "type": "component",
  "slug": "cc2541f256rhat",
  "title": "CC2541F256RHAT",
  "brief": "Texas Instruments RF Transceiver ICs, VQFN-40-EP(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": [
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    "rf and wireless",
    "cc2541f256rhat",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "CC2541F256RHAT",
    "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": "cc2541f256rhat.kicad_sym",
      "footprint": "cc2541f256rhat.kicad_mod",
      "model_3d": "cc2541f256rhat-etched.glb",
      "model_3d_plain": "cc2541f256rhat.glb",
      "model_3d_step": "cc2541f256rhat-etched.step",
      "model_3d_step_plain": "cc2541f256rhat.step",
      "lbr": "cc2541f256rhat.lbr"
    },
    "distributor_links": {
      "lcsc": "C544789",
      "digikey": "296-35514-2-ND",
      "mouser": "595-CC2541F256RHAT"
    },
    "distributor_check": {
      "checked_at": "2026-09-27T08:29:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-35514-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CC2541F256RHAT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection; connect to GND"
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C clock or general-purpose digital I/O pin; can be used as I2C clock or digital I/O, leave floating if not used, disable pull-up if grounded"
      },
      {
        "number": "3",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data or general-purpose digital I/O pin; can be used as I2C data or digital I/O, leave floating if not used, disable pull-up if grounded"
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; do not use"
      },
      {
        "number": "5",
        "name": "P1_5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 1.5"
      },
      {
        "number": "6",
        "name": "P1_4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 1.4"
      },
      {
        "number": "7",
        "name": "P1_3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 1.3"
      },
      {
        "number": "8",
        "name": "P1_2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 1.2"
      },
      {
        "number": "9",
        "name": "P1_1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 1.1 with 20-mA drive capability"
      },
      {
        "number": "10",
        "name": "DVDD2",
        "type": "power_in",
        "description": "Digital power supply voltage in range 2 V to 3.6 V"
      },
      {
        "number": "11",
        "name": "P1_0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 1.0 with 20-mA drive capability"
      },
      {
        "number": "12",
        "name": "P0_7",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 0.7"
      },
      {
        "number": "13",
        "name": "P0_6",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 0.6"
      },
      {
        "number": "14",
        "name": "P0_5",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 0.5"
      },
      {
        "number": "15",
        "name": "P0_4",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 0.4"
      },
      {
        "number": "16",
        "name": "P0_3",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 0.3"
      },
      {
        "number": "17",
        "name": "P0_2",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 0.2"
      },
      {
        "number": "18",
        "name": "P0_1",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 0.1"
      },
      {
        "number": "19",
        "name": "P0_0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 0.0"
      },
      {
        "number": "20",
        "name": "RESET_N",
        "type": "input",
        "description": "Active-low asynchronous reset input"
      },
      {
        "number": "21",
        "name": "AVDD5",
        "type": "power_in",
        "description": "Analog power supply voltage in range 2 V to 3.6 V"
      },
      {
        "number": "22",
        "name": "XOSC_Q1",
        "type": "bidirectional",
        "description": "32-MHz crystal oscillator input/output pin 1 or external clock input"
      },
      {
        "number": "23",
        "name": "XOSC_Q2",
        "type": "bidirectional",
        "description": "32-MHz crystal oscillator input/output pin 2"
      },
      {
        "number": "24",
        "name": "AVDD3",
        "type": "power_in",
        "description": "Analog power supply voltage in range 2 V to 3.6 V"
      },
      {
        "number": "25",
        "name": "RF_P",
        "type": "bidirectional",
        "description": "Positive RF signal path for low-noise amplifier receive input or power amplifier transmit output"
      },
      {
        "number": "26",
        "name": "RF_N",
        "type": "bidirectional",
        "description": "Negative RF signal path for low-noise amplifier receive input or power amplifier transmit output"
      },
      {
        "number": "27",
        "name": "AVDD2",
        "type": "power_in",
        "description": "Analog power supply voltage in range 2 V to 3.6 V"
      },
      {
        "number": "28",
        "name": "AVDD1",
        "type": "power_in",
        "description": "Analog power supply voltage in range 2 V to 3.6 V"
      },
      {
        "number": "29",
        "name": "AVDD4",
        "type": "power_in",
        "description": "Analog power supply voltage in range 2 V to 3.6 V"
      },
      {
        "number": "30",
        "name": "RBIAS",
        "type": "bidirectional",
        "description": "External precision bias resistor connection for internal reference current generation"
      },
      {
        "number": "31",
        "name": "AVDD6",
        "type": "power_in",
        "description": "Analog power supply voltage in range 2 V to 3.6 V"
      },
      {
        "number": "32",
        "name": "P2_4/OSC32K_Q1",
        "type": "bidirectional",
        "description": "Port 2.4 general-purpose digital I/O or 32.768-kHz crystal oscillator input/output pin"
      },
      {
        "number": "33",
        "name": "P2_3/OSC32K_Q2",
        "type": "bidirectional",
        "description": "Port 2.3 general-purpose digital I/O or 32.768-kHz crystal oscillator input/output pin"
      },
      {
        "number": "34",
        "name": "P2_2/DC",
        "type": "bidirectional",
        "description": "Port 2.2 general-purpose digital I/O or debug clock pin"
      },
      {
        "number": "35",
        "name": "P2_1/DD",
        "type": "bidirectional",
        "description": "Port 2.1 general-purpose digital I/O or debug data pin"
      },
      {
        "number": "36",
        "name": "P2_0",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 2.0"
      },
      {
        "number": "37",
        "name": "P1_7",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 1.7"
      },
      {
        "number": "38",
        "name": "P1_6",
        "type": "bidirectional",
        "description": "General-purpose digital I/O port 1.6"
      },
      {
        "number": "39",
        "name": "DVDD1",
        "type": "power_in",
        "description": "Digital power supply voltage in range 2 V to 3.6 V"
      },
      {
        "number": "40",
        "name": "DCOUPL",
        "type": "power_in",
        "description": "1.8-V internal digital voltage regulator decoupling capacitor connection; do not use for external circuit supply"
      },
      {
        "number": "41",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad ground connection; must be soldered to solid ground plane for thermal and mechanical performance"
      }
    ],
    "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 pad (pin 41) pin number assignment: The PIN DESCRIPTIONS table does not assign a traditional",
          "1/41 pins cited to the wrong page (name found elsewhere): ['41:GND@p17']"
        ],
        "pages_sent": 37,
        "cost_usd": 0.5194,
        "at": "2026-09-27T08:29:23"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cc2541",
        "pages": 37,
        "sha256": "6a99abaeb2964fdb",
        "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": "cc2541f256rhat.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cc2541f256rhat-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": "e1994dee7721c87c7a3d60ff61cd7716b86120694a7fb82db46b15d8c8e252d8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-40-EP(6x6)",
      "Category": "RF And Wireless",
      "Pins": "41"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
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    "info"
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  "discovery_triggers": [
    "cc2541f256rhat"
  ],
  "discovery_pitch": "CC2541F256RHAT (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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  "visibility": {
    "public": true
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}