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Ray Set visibility: public 466a48c 14d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "es8311",
  "title": "ES8311",
  "brief": "Everest semi Everest Semiconductor Signal Switches, Multiplexers, Decoders, QFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "es8311",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ES8311",
    "manufacturer": "Everest semi Everest Semiconductor",
    "package": "QFN-20-EP(3x3)",
    "pin_count": 21,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905226020016128",
    "parts": {
      "symbol": "es8311.kicad_sym",
      "footprint": "es8311.kicad_mod",
      "model_3d": "es8311-hero.glb",
      "model_3d_plain": "es8311.glb",
      "model_3d_step": "es8311-etched.step",
      "model_3d_step_plain": "es8311.step",
      "lbr": "es8311.lbr"
    },
    "distributor_links": {
      "lcsc": "C962342"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T00:29:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CCLK",
        "type": "input",
        "description": "I2C serial clock input for register configuration; the chip address is 0011 00x where x equals CE, and the bus runs at up to 400 kbps."
      },
      {
        "number": "2",
        "name": "MCLK",
        "type": "input",
        "description": "Master clock input supporting standard audio clocks, USB 12/24 MHz clocks and other non-standard clocks, with MCLK frequency up to 51.2 MHz."
      },
      {
        "number": "3",
        "name": "PVDD",
        "type": "power_in",
        "description": "Power supply for the digital input and output pins, with a recommended operating range of 1.6 V to 3.6 V (3.3 V typical)."
      },
      {
        "number": "4",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital core power supply, with a recommended operating range of 1.6 V to 3.6 V (3.3 V typical)."
      },
      {
        "number": "5",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground connection."
      },
      {
        "number": "6",
        "name": "SCLK/DMIC_SCL",
        "type": "bidirectional",
        "description": "Serial audio bit clock (I/O) for the I2S/PCM port, which doubles as the DMIC bit clock; SCLK frequency is specified up to 26 MHz."
      },
      {
        "number": "7",
        "name": "ASDOUT",
        "type": "output",
        "description": "ADC serial audio data output, with data driven on the falling edge of SCLK."
      },
      {
        "number": "8",
        "name": "LRCK",
        "type": "bidirectional",
        "description": "Left/right channel frame clock (I/O) for the serial audio port, with LRCK frequency specified up to 200 kHz."
      },
      {
        "number": "9",
        "name": "DSDIN",
        "type": "input",
        "description": "DAC serial audio data input, sampled by the device on the rising edge of SCLK."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground connection."
      },
      {
        "number": "11",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply, with a recommended operating range of 1.7 V to 3.6 V (3.3 V typical)."
      },
      {
        "number": "12",
        "name": "OUTP",
        "type": "output",
        "description": "Positive side of the differential analog output, with full-scale output level of AVDD/3.3 Vrms."
      },
      {
        "number": "13",
        "name": "OUTN",
        "type": "output",
        "description": "Negative side of the differential analog output, with full-scale output level of AVDD/3.3 Vrms."
      },
      {
        "number": "14",
        "name": "DACVREF",
        "type": "passive",
        "description": "Filtering capacitor connection for the DAC reference; the datasheet recommends locating decoupling capacitors as close to the package as possible."
      },
      {
        "number": "15",
        "name": "ADCVREF",
        "type": "passive",
        "description": "Filtering capacitor connection for the ADC reference; the datasheet recommends locating decoupling capacitors as close to the package as possible."
      },
      {
        "number": "16",
        "name": "VMID",
        "type": "passive",
        "description": "Filtering capacitor connection for the mid-rail (VMID) reference."
      },
      {
        "number": "17",
        "name": "MIC1N",
        "type": "input",
        "description": "Negative side of the single microphone analog input pair, with 6 kΩ input impedance and full-scale input level of AVDD/3.3 Vrms."
      },
      {
        "number": "18",
        "name": "MIC1P/DMIC_SDA",
        "type": "input",
        "description": "Positive side of the microphone analog input pair; also serves as DMIC data (SDA) when digital microphone mode is used."
      },
      {
        "number": "19",
        "name": "CDATA",
        "type": "bidirectional",
        "description": "I2C serial data line (I/O) for register read and write access, sampled while CCLK is high."
      },
      {
        "number": "20",
        "name": "CE",
        "type": "input",
        "description": "I2C chip address select; its level sets the x bit of the chip address 0011 00x."
      },
      {
        "number": "21",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground connection shown as pin 21 (PGND) in the typical application circuit; it is not listed in the 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: Pin 21 (PGND) appears only in the typical application circuit on page 4 and is absent from the pin t; The datasheet gives only 'QFN-20' in the ordering information. The 3x3 body size and the exposed-pad; Pins 6, 18 and 8 are multi-function pins. Their DMIC and I2S roles depend on the operating mode, so "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0574,
        "at": "2026-10-09T00:28:31"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905226020016128",
        "pages": 12,
        "sha256": "69cc689b6afbd586",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "es8311.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0ee4e1082236390795238cd34b082d96efd160d6292c636cc40201a5a30cdc63",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "es8311-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          0.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8119e9b0e5728ca3c29136349b646cd3f2dde50a0b114abf421d9c2d4925dfc6",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Everest semi Everest Semiconductor",
      "Package": "QFN-20-EP(3x3)",
      "Category": "Logic",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "es8311"
  ],
  "discovery_pitch": "ES8311 (Everest semi Everest Semiconductor) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "es8311.kicad_sym",
    "es8311.kicad_mod",
    "es8311.glb",
    "es8311.step",
    "es8311.lbr",
    "docs/hero.png",
    "docs/es8311-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "es8311-hero.glb",
    "es8311-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}