VT211R

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  "type": "component",
  "slug": "vt211r",
  "title": "VT211R",
  "brief": "VIBRATION RF Transceiver ICs, SSOP-16. 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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    "radio frequency chip-antenna",
    "vt211r",
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  "component": {
    "mpn": "VT211R",
    "manufacturer": "VIBRATION",
    "package": "SSOP-16",
    "pin_count": 16,
    "category": "Radio Frequency Chip/Antenna",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fcf7698f50b3153624a3ac36bcb7dc6c.pdf",
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      "lbr": "vt211r.lbr"
    },
    "distributor_links": {
      "lcsc": "C5440871"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T20:18:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "RO1",
        "type": "passive",
        "description": "Crystal oscillator input pin for the reference crystal (X1), with no electrical limits given in the datasheet."
      },
      {
        "number": "2",
        "name": "GNDRF",
        "type": "power_in",
        "description": "RF ground pin that must be connected to the RF ground plane."
      },
      {
        "number": "3",
        "name": "ANT",
        "type": "input",
        "description": "RF signal input pin that connects to the external matching network."
      },
      {
        "number": "4",
        "name": "GNDRF",
        "type": "power_in",
        "description": "RF ground pin that must be connected to the RF ground plane."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, specified at DC 2 V to 5.5 V in the pin table and 1.8 V to 5.5 V in the product description, with a recommended operating range of 2.2 V to 5.0 V."
      },
      {
        "number": "6",
        "name": "SQ",
        "type": "input",
        "description": "Squelch control logic input where grounding enables squelch and leaving it floating disables squelch."
      },
      {
        "number": "7",
        "name": "SEL0",
        "type": "input",
        "description": "Logic control input with an active internal pull-up that is used together with SEL1 to set the demodulator low-pass filter bandwidth and data rate."
      },
      {
        "number": "8",
        "name": "SHDN",
        "type": "input",
        "description": "Chip shutdown input that is active low, where a high level puts the device into power-saving mode with total current below 1 µA."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device."
      },
      {
        "number": "10",
        "name": "DO",
        "type": "output",
        "description": "Decoded data output that goes low when squelch detects noise and follows the demodulated signal otherwise."
      },
      {
        "number": "11",
        "name": "SEL1",
        "type": "input",
        "description": "Logic control input with an active internal pull-up that is used together with SEL0 to set the demodulator low-pass filter bandwidth and data rate."
      },
      {
        "number": "12",
        "name": "OPTION0",
        "type": "unconnected",
        "description": "Reserved ground pad that is left floating by default."
      },
      {
        "number": "13",
        "name": "OPTION1",
        "type": "unconnected",
        "description": "Reserved ground pad that is left floating by default."
      },
      {
        "number": "14",
        "name": "RSSI",
        "type": "output",
        "description": "Received signal strength indicator analog output, with a DC range of 0.42 V to 1.68 V over -110 dBm to -40 dBm at 18 mV/dB."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; leave floating."
      },
      {
        "number": "16",
        "name": "RO2",
        "type": "passive",
        "description": "Crystal oscillator input pin for the reference crystal (X1), with no electrical limits given in the datasheet."
      }
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet title and pin table are for the VT21XR family, not labeled VT211R. The device table on; Figure 1 (pin diagram, page 3) is an image and its pin placement was not available in the text. Pin ; Pin types are inferred: RO1/RO2 are marked passive as crystal pins, and OPTION0/OPTION1 are marked u"
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        "at": "2026-10-21T20:13:58"
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        "pages": 12,
        "sha256": "c54388d54cccb79b",
        "source_tier": "lcsc"
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      "pins": {
        "total": 16,
        "described": 16,
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    "specs": {
      "Manufacturer": "VIBRATION",
      "Package": "SSOP-16",
      "Category": "Radio Frequency Chip/Antenna",
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          "name": "Shutdown current",
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          "name": "Receiver bandwidth @315MHz",
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