TMUX121NKGR

{
  "slug": "tmux121nkgr",
  "version": "0.1.0",
  "type": "component",
  "description": "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.",
  "tags": [
    "component",
    "interface",
    "tmux121nkgr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tmux121nkgr.kicad_sym",
    "tmux121nkgr.kicad_mod",
    "tmux121nkgr.glb",
    "tmux121nkgr.step",
    "tmux121nkgr.lbr",
    "docs/hero.png",
    "docs/tmux121nkgr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmux121nkgr-hero.glb",
    "tmux121nkgr-hero.overlay.json",
    "tmux121nkgr-etched.glb"
  ],
  "component": {
    "mpn": "TMUX121NKGR",
    "manufacturer": "TI(德州仪器)",
    "package": "UQFN-10(1.4x1.8)",
    "pin_count": 10,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.ti.com.cn/cn/lit/ds/symlink/tmux121.pdf?ts=1737423580644&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fsitesearch%252Fzh-cn%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Dzh-CN%2526nr%253D5%2526searchTerm%253DTMUX121NKGR",
    "parts": {
      "symbol": "tmux121nkgr.kicad_sym",
      "footprint": "tmux121nkgr.kicad_mod",
      "model_3d": "tmux121nkgr-hero.glb",
      "model_3d_plain": "tmux121nkgr-etched.glb",
      "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"
      }
    },
    "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."
      }
    ],
    "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-number mapping was taken from Table 5-1 on page 3. The pin-configuration figure text is jumbled ; Datasheet classifies Dx/Sx as I/O and EN/SEL as IN; these were mapped to KiCad bidirectional and inp; The land-pattern notes (page 16) say the package is designed to be soldered to a thermal pad, but no"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0631,
        "at": "2026-10-17T06:32:37"
      },
      "datasheet": {
        "url": "https://www.ti.com.cn/cn/lit/ds/symlink/tmux121.pdf?ts=1737423580644&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Fsitesearch%252Fzh-cn%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Dzh-CN%2526nr%253D5%2526searchTerm%253DTMUX121NKGR",
        "pages": 18,
        "sha256": "9ee80a537f4a024e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tmux121nkgr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.4,
          1.8,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "18e8e52c79f660f6db601c893a3ba62a564efea84c0c6dd95908b6b785ca7f2d",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmux121nkgr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.4,
          1.8,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "45f33150f19af69e95c829ab7abb6f8bc4d7818a3f3c7c10d180ca75a96698ab",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}