SN74LVC1G3157DCKR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74lvc1g3157dckr",
  "title": "SN74LVC1G3157DCKR",
  "brief": "Texas Instruments Analog Switches, Multiplexers, SC-70-6(SOT-363). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "SN74LVC1G3157DCKR",
    "manufacturer": "Texas Instruments",
    "package": "SC-70-6(SOT-363)",
    "pin_count": 6,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74lvc1g3157.pdf",
    "parts": {
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      "footprint": "sn74lvc1g3157dckr.kicad_mod",
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      "model_3d_step": "sn74lvc1g3157dckr-etched.step",
      "model_3d_step_plain": "sn74lvc1g3157dckr.step",
      "lbr": "sn74lvc1g3157dckr.lbr"
    },
    "distributor_links": {
      "digikey": "296-14909-2-ND",
      "lcsc": "C38663"
    },
    "pins": [
      {
        "number": "1",
        "name": "B2",
        "type": "bidirectional",
        "description": "Switch I/O terminal 2. Connected to common A when S is driven high. Bidirectional analog/digital signal path, 0 V to VCC signal range."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V)."
      },
      {
        "number": "3",
        "name": "B1",
        "type": "bidirectional",
        "description": "Switch I/O terminal 1. Connected to common A when S is driven low. Bidirectional analog/digital signal path, 0 V to VCC signal range."
      },
      {
        "number": "4",
        "name": "A",
        "type": "bidirectional",
        "description": "Common terminal of the SPDT switch. Routes to B1 when S=0 and to B2 when S=1. Bidirectional analog/digital signal path."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input. DCK (SC70) package: 1.65 V to 5.5 V recommended (absolute max 6 V). Decouple locally to GND."
      },
      {
        "number": "6",
        "name": "S",
        "type": "input",
        "description": "Select control input. S=low connects A to B1; S=high connects A to B2. CMOS input referenced to VCC (VIH ≈ 0.7·VCC to 0.75·VCC). Must not be left floating."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74lvc1g3157.pdf",
        "pages": 56,
        "sha256": "2a39b0f597c54e20",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -0.8375,
        -0.65
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-363_SC-70-6@sha256:0659d885e00b7869",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "74LVC1G3157",
      "logic_family": "74LVC",
      "function_code": "1G3157",
      "function_class": "AnalogSwitch",
      "function_name": "1-gate variant of Single SPDT Analog Switch (2:1 Mux/Demux) (3157)",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SC-70-6(SOT-363)",
      "Category": "Interface",
      "Pins": "6"
    }
  },
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
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  "discovery_pitch": "SN74LVC1G3157DCKR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
    "page.json",
    "README.md",
    "sn74lvc1g3157dckr.kicad_sym",
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    "sn74lvc1g3157dckr.glb",
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    "sn74lvc1g3157dckr-etched.step",
    "sn74lvc1g3157dckr.lbr",
    "docs/hero.png",
    "docs/sn74lvc1g3157dckr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
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  "variants": [
    {
      "mpn": "SN74LVC1G3157DCKR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G3157DCKRDCKT",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G3157DCKRDBVR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G3157DCKRDBVT",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G3157DCKRDRLR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G3157DCKRDRYR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G3157DCKRDSFR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G3157DCKRDTBR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G3157DCKRYZPR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T07:36:05.471Z"
}