VT211R

{
  "slug": "vt211r",
  "version": "0.1.0",
  "type": "component",
  "description": "VIBRATION RF Transceiver ICs, SSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "radio frequency chip-antenna",
    "vt211r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "vt211r.kicad_sym",
    "vt211r.kicad_mod",
    "vt211r.glb",
    "vt211r.step",
    "vt211r.lbr",
    "docs/hero.png",
    "docs/vt211r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "vt211r-hero.glb",
    "vt211r-hero.overlay.json",
    "vt211r-etched.glb"
  ],
  "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",
    "parts": {
      "symbol": "vt211r.kicad_sym",
      "footprint": "vt211r.kicad_mod",
      "model_3d": "vt211r-hero.glb",
      "model_3d_plain": "vt211r-etched.glb",
      "model_3d_step": "vt211r-etched.step",
      "model_3d_step_plain": "vt211r.step",
      "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"
      }
    },
    "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."
      }
    ],
    "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 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"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0424,
        "at": "2026-10-21T20:13:58"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fcf7698f50b3153624a3ac36bcb7dc6c.pdf",
        "pages": 12,
        "sha256": "c54388d54cccb79b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "vt211r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d0e11e46aeca5dbaa5c4bb538f3f4899761267cabdeba6486325ae9e979c03ef",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "vt211r-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "sha256": "b9cf434fdb5dfc1208eb94c00c7f7962814441bffbb1533d8dd5d93bde013c2c",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}