COSN74LVC1G3157DBVR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cosn74lvc1g3157dbvr",
  "title": "COSN74LVC1G3157DBVR",
  "brief": "COSINE Analog Switches, Multiplexers, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "interface",
    "cosn74lvc1g3157dbvr"
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  "component": {
    "mpn": "COSN74LVC1G3157DBVR",
    "manufacturer": "COSINE",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b47ce9b3d0205875a00d1c9c1ca55806.pdf",
    "parts": {
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      "footprint": "cosn74lvc1g3157dbvr.kicad_mod",
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      "model_3d_plain": "cosn74lvc1g3157dbvr.glb",
      "model_3d_step": "cosn74lvc1g3157dbvr-etched.step",
      "model_3d_step_plain": "cosn74lvc1g3157dbvr.step",
      "lbr": "cosn74lvc1g3157dbvr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NO",
        "type": "passive",
        "description": "Normally Open switch terminal. Connected to COM when IN is HIGH; disconnected (high impedance) when IN is LOW. Bidirectional analog signal path, 0V to VCC, ~4.5Ω typ. ON-resistance at VCC=5V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device (0V)."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "passive",
        "description": "Normally Closed switch terminal. Connected to COM when IN is LOW; disconnected (high impedance) when IN is HIGH. Bidirectional analog signal path, 0V to VCC, ~4.5Ω typ. ON-resistance at VCC=5V. Note: 'NC' here means Normally Closed switch pole, not No-Connect."
      },
      {
        "number": "4",
        "name": "COM",
        "type": "passive",
        "description": "Common switch terminal (pole). Routed to either NO or NC depending on the IN control state. Bidirectional analog signal path, 0V to VCC."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, 1.65V to 5.5V (absolute max 6.0V). Typical ICC = 5 μA at 5.5V."
      },
      {
        "number": "6",
        "name": "IN",
        "type": "input",
        "description": "Digital control input selecting the switch path. IN=0 connects COM to NC (NO off); IN=1 connects COM to NO (NC off). Must be driven HIGH or LOW; VIH=2.6V (5V supply), VIL=0.8V (5V supply). TTL/CMOS compatible."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b47ce9b3d0205875a00d1c9c1ca55806.pdf",
        "pages": 10,
        "sha256": "8abc30c2fd2ebf05",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cosn74lvc1g3157dbvr-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "929b73b17462e8b65b81e92a38b705924d36e03ec2a43249dede430a7845a11d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "COSINE",
      "Package": "SOT-23-6",
      "Category": "Interface",
      "Pins": "6"
    }
  },
  "variants": [
    {
      "mpn": "COSN74LVC1G3157DBVR",
      "kind": "packaging"
    },
    {
      "mpn": "COSN74LVC1G3157DBVRDCKR",
      "kind": "packaging"
    }
  ],
  "sections": [
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    "info"
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  "discovery_triggers": [
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  "discovery_pitch": "COSN74LVC1G3157DBVR (COSINE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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  "files": [
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    "cosn74lvc1g3157dbvr.glb",
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  "visibility": {
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  },
  "updated_at": "2026-09-24T19:31:34.555Z"
}