TMUX121NKGR

{
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  "type": "component",
  "slug": "tmux121nkgr",
  "title": "TMUX121NKGR",
  "brief": "TI(德州仪器) Analog Switches, Multiplexers, UQFN-10(1.4x1.8). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "interface",
    "tmux121nkgr",
    "factory-2.0.0",
    "extractor-text"
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    "mpn": "TMUX121NKGR",
    "manufacturer": "TI(德州仪器)",
    "package": "UQFN-10(1.4x1.8)",
    "pin_count": 10,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
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      "symbol": "tmux121nkgr.kicad_sym",
      "footprint": "tmux121nkgr.kicad_mod",
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      "model_3d_step": "tmux121nkgr-etched.step",
      "model_3d_step_plain": "tmux121nkgr.step",
      "lbr": "tmux121nkgr.lbr"
    },
    "distributor_links": {
      "lcsc": "C22428404",
      "digikey": "296-TMUX121NKGRTR-ND",
      "mouser": "595-TMUX121NKGR"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T06:35:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TMUX121NKGRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TMUX121NKGR",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "D1",
        "type": "bidirectional",
        "description": "Drain pin 1 can be an input or output of the switch and is connected to SA or SB according to the SEL/EN truth table, with Sx/Dx recommended operating range of 0 to 3.6 V."
      },
      {
        "number": "2",
        "name": "D2",
        "type": "bidirectional",
        "description": "Drain pin 2 can be an input or output of the switch and is connected to SA or SB according to the SEL/EN truth table, with Sx/Dx recommended operating range of 0 to 3.6 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "4",
        "name": "S2A",
        "type": "bidirectional",
        "description": "Source pin 2A can be an input or output and is selected as the path to D2 when SEL is low and EN is low, with Sx/Dx recommended operating range of 0 to 3.6 V."
      },
      {
        "number": "5",
        "name": "S1A",
        "type": "bidirectional",
        "description": "Source pin 1A can be an input or output and is selected as the path to D1 when SEL is low and EN is low, with Sx/Dx recommended operating range of 0 to 3.6 V."
      },
      {
        "number": "6",
        "name": "S2B",
        "type": "bidirectional",
        "description": "Source pin 2B can be an input or output and is selected as the path to D2 when SEL is high and EN is low, with Sx/Dx recommended operating range of 0 to 3.6 V."
      },
      {
        "number": "7",
        "name": "S1B",
        "type": "bidirectional",
        "description": "Source pin 1B can be an input or output and is selected as the path to D1 when SEL is high and EN is low, with Sx/Dx recommended operating range of 0 to 3.6 V."
      },
      {
        "number": "8",
        "name": "EN",
        "type": "input",
        "description": "Active-low enable input; when driven high all channels are disabled and Hi-Z, with logic input range of 0 to 3.6 V and VIH minimum of 1.4 V."
      },
      {
        "number": "9",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3 V power supply with recommended range of 3.0 V to 3.6 V and absolute maximum of 4.0 V; when VDD is unpowered the I/O pins are forced to high impedance."
      },
      {
        "number": "10",
        "name": "SEL",
        "type": "input",
        "description": "Switch logic control input that selects the signal path between SA and SB per the mux truth table, with logic input range of 0 to 3.6 V and VIL maximum of 0.4 V."
      }
    ],
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        "described": 10,
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  "metadata": {
    "specs": {
      "Manufacturer": "TI(德州仪器)",
      "Package": "UQFN-10(1.4x1.8)",
      "Category": "Interface",
      "Pins": "10"
    },
    "characteristics": {
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          "name": "VDD Supply voltage",
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          "name": "Source or drain continuous current (Sx, Dx)",
          "symbol": "IS or ID (cont)",
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        {
          "name": "Operating free-air/ambient temperature",
          "symbol": "TA",
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          "unit": "°C",
          "min": -40,
          "typ": null,
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          "conditions": "",
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        {
          "name": "VDD quiescent supply current",
          "symbol": "IDDQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1.3,
          "max": 4,
          "conditions": "EN = VDD",
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        {
          "name": "VDD supply current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 11,
          "max": 30,
          "conditions": "EN = 0 V",
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          "name": "On-resistance",
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          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 3,
          "max": 5.4,
          "conditions": "VS = 0 V, IS = –8 mA",
          "source_page": 5,
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        {
          "name": "On-resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 3.9,
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          "conditions": "VS = 2.4 V, IS = –8 mA",
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          "name": "Logic voltage high (EN, SEL)",
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        {
          "name": "Switch propagation delay (Sx to Dx or Dx to Sx)",
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        {
          "name": "Intra-pair propagation delay skew for same channel",
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          "min": null,
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        {
          "name": "Inter-pair propagation delay skew between channels",
          "symbol": "tSKEW_INTER",
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        {
          "name": "On-resistance mismatch between channels",
          "symbol": "ΔRON",
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          "unit": "Ω",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "VS = 0 V, IS = –8 mA",
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        {
          "name": "On-resistance flatness",
          "symbol": "RON FLAT",
          "kind": "electrical",
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          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VS = 0 V and VS = 2.4 V; IS = –8 mA",
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        {
          "name": "Channel on leakage current (Sx, Dx)",
          "symbol": "IS(ON), ID(ON)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": null,
          "conditions": "Switch state is on, VD = VS = 3.6 V",
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          "name": "Channel on leakage current (Sx, Dx)",
          "symbol": "IS(ON), ID(ON)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "Switch state is on, VD = VS = 0 V",
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          "name": "Source off leakage current (Sx)",
          "symbol": "IS(OFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "Switch state is off, VS = 3.6 V",
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        },
        {
          "name": "Drain off leakage current (Dx)",
          "symbol": "ID(OFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "Switch state is off, VD = 3.6 V",
          "source_page": 5,
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        },
        {
          "name": "Powered-off leakage current (Sx, Dx)",
          "symbol": "I(POFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VCC = 0 V, VD or VS = 3.6 V",
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        {
          "name": "Input leakage current (EN, SEL)",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.2,
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        {
          "name": "Input leakage current (EN, SEL)",
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          "unit": "µA",
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        {
          "name": "Failsafe input leakage current (EN, SEL)",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VCC = 0 V, VEN or VSEL = 3.6 V",
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        {
          "name": "Transition time from control input (SEL)",
          "symbol": "tTRAN",
          "kind": "timing",
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          "conditions": "RL = 50 Ω, CL = 10 pF",
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          "name": "Turn-on time from control input (EN)",
          "symbol": "tON",
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          "name": "Turn-off time from control input (EN)",
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          "unit": "µs",
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          "max": null,
          "conditions": "RL = 50 Ω, CL = 10 pF",
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          "name": "–3-dB bandwidth",
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          "kind": "electrical",
          "unit": "pF",
          "min": null,
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          "max": null,
          "conditions": "f = 10 MHz",
          "source_page": 5,
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          "name": "Junction-to-ambient thermal resistance - High K",
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          "unit": "°C/W",
          "min": null,
          "typ": 225.9,
          "max": null,
          "conditions": "High K",
          "source_page": 4,
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        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 93.5,
          "max": null,
          "conditions": "",
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          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 147.5,
          "max": null,
          "conditions": "",
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        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 3.4,
          "max": null,
          "conditions": "",
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        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 147.1,
          "max": null,
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