MICRF211AYQS-TR

{
  "slug": "micrf211ayqs-tr",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech RF Transceiver ICs, QSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "rf & radio",
    "micrf211ayqs-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "micrf211ayqs-tr.step",
    "micrf211ayqs-tr.lbr",
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    "docs/micrf211ayqs-tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "micrf211ayqs-tr-hero.overlay.json",
    "micrf211ayqs-tr-etched.glb"
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  "component": {
    "mpn": "MICRF211AYQS-TR",
    "manufacturer": "Microchip Tech",
    "package": "QSOP-16-150mil",
    "pin_count": 16,
    "category": "RF & Radio",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8ce77f880a3ffb0737f8f9bd9ffa3478.pdf",
    "parts": {
      "symbol": "micrf211ayqs-tr.kicad_sym",
      "footprint": "micrf211ayqs-tr.kicad_mod",
      "model_3d": "micrf211ayqs-tr-hero.glb",
      "model_3d_plain": "micrf211ayqs-tr-etched.glb",
      "model_3d_step": "micrf211ayqs-tr-etched.step",
      "model_3d_step_plain": "micrf211ayqs-tr.step",
      "lbr": "micrf211ayqs-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C82312",
      "digikey": "MICRF211AYQS-TR-ND",
      "mouser": "998-MICRF211AYQSTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:16:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MICRF211AYQS-TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "998-MICRF211AYQSTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO1",
        "type": "passive",
        "description": "Reference resonator input connection to the Colpitts oscillator stage, which may also be driven by an external reference signal of 1.5V p-p amplitude maximum."
      },
      {
        "number": "2",
        "name": "GNDRF",
        "type": "power_in",
        "description": "Negative supply connection associated with the ANT RF input."
      },
      {
        "number": "3",
        "name": "ANT",
        "type": "input",
        "description": "RF signal input from the antenna, internally AC coupled, with a matching network to RF ground recommended to improve ESD protection."
      },
      {
        "number": "4",
        "name": "GNDRF",
        "type": "power_in",
        "description": "Negative supply connection associated with the ANT RF input."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply connection for all chip functions, operating from 3.0V to 3.6V."
      },
      {
        "number": "6",
        "name": "SQ",
        "type": "input",
        "description": "Squelch control logic input with an active internal pull-up when not shut down."
      },
      {
        "number": "7",
        "name": "SEL0",
        "type": "input",
        "description": "Logic control input with active internal pull-up, used with SEL1 to control the demodulator low pass filter bandwidth."
      },
      {
        "number": "8",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown logic control input with active internal pull-up."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Negative supply connection for all chip functions except the RF input."
      },
      {
        "number": "10",
        "name": "DO",
        "type": "output",
        "description": "Demodulated data output."
      },
      {
        "number": "11",
        "name": "SEL1",
        "type": "input",
        "description": "Logic control input with active internal pull-up, used with SEL0 to control the demodulator low pass filter bandwidth."
      },
      {
        "number": "12",
        "name": "CTH",
        "type": "passive",
        "description": "Demodulation threshold voltage integration capacitor connection, with values above 1nF recommended across CTH and GND to set the data slicing settling time."
      },
      {
        "number": "13",
        "name": "CAGC",
        "type": "passive",
        "description": "AGC filter capacitor connection, normally greater than 0.47µF, connected from this pin to GND."
      },
      {
        "number": "14",
        "name": "RSSI",
        "type": "output",
        "description": "Received signal strength indication output from a buffer with 200Ω typical output impedance."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; connect to ground."
      },
      {
        "number": "16",
        "name": "RO2",
        "type": "passive",
        "description": "Reference resonator input connection to the Colpitts oscillator stage, with 7pF in parallel with a low resistance MOS switch to GND during normal operation, driven by the startup excitation circuit during internal startup."
      }
    ],
    "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 datasheet gives the 16-pin QSOP pinout (package AQS16) but does not state the 150mil body width "
        ],
        "pages_sent": 18,
        "cost_usd": 0.0228,
        "at": "2026-10-27T01:15:29"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8ce77f880a3ffb0737f8f9bd9ffa3478.pdf",
        "pages": 18,
        "sha256": "b52467feb702de8d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": -0.0,
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}