MCP42100-I

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  "title": "MCP42100-I",
  "brief": "Microchip Tech Digital Potentiometers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "MCP42100-I",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Data Acquisition",
    "subcategory": "Digital Potentiometers",
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      "lcsc": "C637069"
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      "checked_at": "2026-10-21T02:19:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
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      "mouser": {
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    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "SPI chip select; a new command is executed after it has been loaded into the shift register, and the pin has a Schmitt Trigger input."
      },
      {
        "number": "2",
        "name": "SCK",
        "type": "input",
        "description": "SPI serial clock; data is clocked into SI on the rising edge and out of SO on the falling edge, the pin is gated to CS, and it has a Schmitt Trigger input."
      },
      {
        "number": "3",
        "name": "SI",
        "type": "input",
        "description": "SPI serial data input through which the command and data bytes are clocked into the shift register, gated to CS, with a Schmitt Trigger input."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "PB1",
        "type": "passive",
        "description": "Terminal B connection for potentiometer 1."
      },
      {
        "number": "6",
        "name": "PW1",
        "type": "passive",
        "description": "Wiper connection for potentiometer 1."
      },
      {
        "number": "7",
        "name": "PA1",
        "type": "passive",
        "description": "Terminal A connection for potentiometer 1."
      },
      {
        "number": "8",
        "name": "PA0",
        "type": "passive",
        "description": "Terminal A connection for potentiometer 0."
      },
      {
        "number": "9",
        "name": "PW0",
        "type": "passive",
        "description": "Wiper connection for potentiometer 0."
      },
      {
        "number": "10",
        "name": "PB0",
        "type": "passive",
        "description": "Terminal B connection for potentiometer 0."
      },
      {
        "number": "11",
        "name": "RS",
        "type": "input",
        "description": "Hardware reset that sets all potentiometers to mid-scale (code 80h) when held low for at least 150 ns; it should not be toggled low while CS is low and must not be left floating."
      },
      {
        "number": "12",
        "name": "SHDN",
        "type": "input",
        "description": "Hardware shutdown with a Schmitt Trigger input; pulling it low opens the A terminal and connects B and W for all potentiometers, it should not be toggled low while CS is low, and it must not be left floating."
      },
      {
        "number": "13",
        "name": "SO",
        "type": "output",
        "description": "SPI serial data output for daisy-chaining devices; it is a push-pull output that does not go high-impedance when CS is high and drives logic-low while CS is high."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, specified for single supply operation from 2.7 V to 5.5 V."
      }
    ],
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          "extractor flagged: The pin table (Table 3-2) covers the MCP42XXX in PDIP/SOIC/TSSOP and the Package Types diagram shows; The MCP42100 is the 100 kΩ dual version (MCP42XXX family). The pin table does not vary by resistance; The VDD supply range of 2.7 V to 5.5 V in the pin description comes from the Features and Descriptio"
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        "at": "2026-10-21T02:15:48"
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          "name": "Clock Frequency",
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