{
  "id": "cd74hc4067-mux",
  "name": "CD74HC4067 16-channel analog multiplexer",
  "category": "output",
  "pins": [
    {
      "name": "SIG",
      "role": "analog_out",
      "notes": "Common signal: to an ADC1 pin (GPIO 32 to 39)"
    },
    {
      "name": "S3",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Channel select bit 3"
    },
    {
      "name": "S2",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Channel select bit 2"
    },
    {
      "name": "S1",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Channel select bit 1"
    },
    {
      "name": "S0",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Channel select bit 0"
    },
    {
      "name": "EN",
      "role": "passive",
      "notes": "Enable, active LOW. Tie to GND"
    },
    {
      "name": "VCC",
      "role": "power",
      "notes": "Use 3.3 V so no channel goes above 3.3 V"
    },
    {
      "name": "GND",
      "role": "ground"
    },
    {
      "name": "C0",
      "role": "passive",
      "notes": "Channel 0: to a sensor or button, not to the ESP32"
    },
    {
      "name": "C1",
      "role": "passive"
    },
    {
      "name": "C2",
      "role": "passive"
    },
    {
      "name": "C3",
      "role": "passive"
    },
    {
      "name": "C4",
      "role": "passive"
    },
    {
      "name": "C5",
      "role": "passive"
    },
    {
      "name": "C6",
      "role": "passive"
    },
    {
      "name": "C7",
      "role": "passive"
    },
    {
      "name": "C8",
      "role": "passive"
    },
    {
      "name": "C9",
      "role": "passive"
    },
    {
      "name": "C10",
      "role": "passive"
    },
    {
      "name": "C11",
      "role": "passive"
    },
    {
      "name": "C12",
      "role": "passive"
    },
    {
      "name": "C13",
      "role": "passive"
    },
    {
      "name": "C14",
      "role": "passive"
    },
    {
      "name": "C15",
      "role": "passive"
    }
  ],
  "bus": "analog",
  "voltage": "3.3-5",
  "model": {
    "shape": "breakout",
    "size": [
      62,
      18,
      1.6
    ],
    "color": "#B22222"
  },
  "keywords": [
    "cd74hc4067",
    "74hc4067",
    "multiplexer",
    "analog mux",
    "16 channel",
    "more adc",
    "multiplexer analogico"
  ],
  "sources": [
    {
      "title": "Texas Instruments CD74HC4067 datasheet",
      "section": "Truth table S0 to S3 and E; supply 2 to 6 V"
    },
    {
      "title": "SparkFun Analog/Digital MUX breakout (BOB-09056)",
      "section": "Header SIG, S3, S2, S1, S0, EN, VCC, GND and C0 to C15"
    }
  ]
}