DG409DY-T1-E3

{
  "schema_version": 1,
  "type": "component",
  "slug": "dg409dy-t1-e3",
  "title": "DG409DY-T1-E3",
  "brief": "Vishay Analog Switches, Multiplexers, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "dg409dy-t1-e3"
  ],
  "component": {
    "mpn": "DG409DY-T1-E3",
    "manufacturer": "Vishay",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6798af5a0aa540b0bba162ceb3ce1bcd.pdf",
    "parts": {
      "symbol": "dg409dy-t1-e3.kicad_sym",
      "footprint": "dg409dy-t1-e3.kicad_mod",
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      "model_3d_plain": "dg409dy-t1-e3.glb",
      "model_3d_step": "dg409dy-t1-e3-etched.step",
      "model_3d_step_plain": "dg409dy-t1-e3.step",
      "lbr": "dg409dy-t1-e3.lbr"
    },
    "distributor_links": {
      "lcsc": "C142533"
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Address bit 0 (LSB). TTL-compatible logic input selecting the active channel (Logic 0 = VAL ≤ 0.8 V, Logic 1 = VAH ≥ 2.4 V). Input current ±10 µA max."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable input, TTL-compatible. When Logic 0 all switches are OFF; when Logic 1 the switch selected by A0/A1 is ON. Allows stacking of multiple devices."
      },
      {
        "number": "3",
        "name": "V-",
        "type": "power_in",
        "description": "Negative analog supply. Dual-supply operation ±5 V to ±20 V, or connect to GND for single-supply operation (+5 V to +36 V referenced to V-). Analog signal range V- to V+."
      },
      {
        "number": "4",
        "name": "S1a",
        "type": "passive",
        "description": "Analog switch source, bank A channel 1. Bidirectional analog terminal connected to Da when A1=0, A0=0, EN=1. RDS(on) ~100 Ω (V±=±15 V)."
      },
      {
        "number": "5",
        "name": "S2a",
        "type": "passive",
        "description": "Analog switch source, bank A channel 2. Bidirectional analog terminal connected to Da when A1=0, A0=1, EN=1."
      },
      {
        "number": "6",
        "name": "S3a",
        "type": "passive",
        "description": "Analog switch source, bank A channel 3. Bidirectional analog terminal connected to Da when A1=1, A0=0, EN=1."
      },
      {
        "number": "7",
        "name": "S4a",
        "type": "passive",
        "description": "Analog switch source, bank A channel 4. Bidirectional analog terminal connected to Da when A1=1, A0=1, EN=1."
      },
      {
        "number": "8",
        "name": "Da",
        "type": "passive",
        "description": "Analog switch drain, bank A common. Bidirectional analog terminal common to S1a-S4a. Peak S/D current 100 mA pulsed; 30 mA continuous per terminal."
      },
      {
        "number": "9",
        "name": "Db",
        "type": "passive",
        "description": "Analog switch drain, bank B common. Bidirectional analog terminal common to S1b-S4b."
      },
      {
        "number": "10",
        "name": "S4b",
        "type": "passive",
        "description": "Analog switch source, bank B channel 4. Bidirectional analog terminal connected to Db when A1=1, A0=1, EN=1."
      },
      {
        "number": "11",
        "name": "S3b",
        "type": "passive",
        "description": "Analog switch source, bank B channel 3. Bidirectional analog terminal connected to Db when A1=1, A0=0, EN=1."
      },
      {
        "number": "12",
        "name": "S2b",
        "type": "passive",
        "description": "Analog switch source, bank B channel 2. Bidirectional analog terminal connected to Db when A1=0, A0=1, EN=1."
      },
      {
        "number": "13",
        "name": "S1b",
        "type": "passive",
        "description": "Analog switch source, bank B channel 1. Bidirectional analog terminal connected to Db when A1=0, A0=0, EN=1."
      },
      {
        "number": "14",
        "name": "V+",
        "type": "power_in",
        "description": "Positive analog supply. Dual-supply ±5 V to ±20 V, or single-supply +5 V to +36 V (referenced to V-). Absolute max V+ to V- = 44 V. Quiescent I+ typ 10 µA (dual supply)."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground reference for A0, A1, EN logic thresholds. GND to V- limited to -25 V absolute max."
      },
      {
        "number": "16",
        "name": "A1",
        "type": "input",
        "description": "Address bit 1 (MSB). TTL-compatible logic input selecting the active channel with A0 (see truth table). Input current ±10 µA max."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/6798af5a0aa540b0bba162ceb3ce1bcd.pdf",
        "pages": 17,
        "sha256": "74df98dee9139dfa",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -4.445
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
      "mark": "drawn"
    },
    "models_3d": [
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        "file": "dg409dy-t1-e3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dg409dy-t1-e3-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "sha256": "ece33ee7f2bbf0dcf933eede3c96307ba40e8748a6e5936e1fb37e5983d55cdd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Vishay",
      "Package": "SOIC-16",
      "Category": "Interface",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "dg409dy-t1-e3"
  ],
  "discovery_pitch": "DG409DY-T1-E3 (Vishay) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "dg409dy-t1-e3.step",
    "dg409dy-t1-e3-etched.step",
    "dg409dy-t1-e3.lbr",
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "DG409DY-T1-E3",
      "kind": "packaging"
    },
    {
      "mpn": "DG409DY-E3",
      "kind": "unknown"
    },
    {
      "mpn": "DG409DJ",
      "kind": "unknown"
    },
    {
      "mpn": "DG409DJ-E3",
      "kind": "unknown"
    },
    {
      "mpn": "DG409DQ-E3",
      "kind": "unknown"
    },
    {
      "mpn": "DG409DQ-T1-E3",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-24T19:44:14.095Z"
}