DS2408S+T&R

{
  "slug": "ds2408s-t-r",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Inc Maxim Integrated I/O Expanders, SO-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "ds2408s+t&r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds2408s-t-r.kicad_sym",
    "ds2408s-t-r.kicad_mod",
    "ds2408s-t-r.glb",
    "ds2408s-t-r.step",
    "ds2408s-t-r.lbr",
    "docs/hero.png",
    "docs/ds2408s-t-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ds2408s-t-r-hero.glb",
    "ds2408s-t-r-hero.overlay.json",
    "ds2408s-t-r-etched.glb"
  ],
  "component": {
    "mpn": "DS2408S+T&R",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "SO-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "I/O Expanders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590152953421336576",
    "parts": {
      "symbol": "ds2408s-t-r.kicad_sym",
      "footprint": "ds2408s-t-r.kicad_mod",
      "model_3d": "ds2408s-t-r-hero.glb",
      "model_3d_plain": "ds2408s-t-r-etched.glb",
      "model_3d_step": "ds2408s-t-r-etched.step",
      "model_3d_step_plain": "ds2408s-t-r.step",
      "lbr": "ds2408s-t-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C2652282",
      "digikey": "DS2408S+T&RTR-ND",
      "mouser": "700-DS2408S+T&R"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T00:59:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "DS2408S+T&RTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "700-DS2408S+T&R",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "2",
        "name": "P0",
        "type": "bidirectional",
        "description": "I/O pin of channel 0, a logic input and open-drain output with 100Ω maximum on-resistance and a 0V to 5.25V operating range; power-on default is indeterminate."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Optional power supply input with a range of 2.8V to 5.25V that must be tied to GND if not used."
      },
      {
        "number": "4",
        "name": "I/O",
        "type": "bidirectional",
        "description": "1-Wire interface, open-drain, requiring an external pullup resistor."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "6",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "7",
        "name": "P7",
        "type": "bidirectional",
        "description": "I/O pin of channel 7 with the same characteristics as P0 (logic input and open-drain output, 100Ω maximum on-resistance, 0V to 5.25V range)."
      },
      {
        "number": "8",
        "name": "P6",
        "type": "bidirectional",
        "description": "I/O pin of channel 6 with the same characteristics as P0 (logic input and open-drain output, 100Ω maximum on-resistance, 0V to 5.25V range)."
      },
      {
        "number": "9",
        "name": "P5",
        "type": "bidirectional",
        "description": "I/O pin of channel 5 with the same characteristics as P0 (logic input and open-drain output, 100Ω maximum on-resistance, 0V to 5.25V range)."
      },
      {
        "number": "10",
        "name": "RSTZ",
        "type": "bidirectional",
        "description": "Software-configurable PIO reset input (RST), where a LOW input sets all PIO outputs off, or open-drain strobe output (STRB) that pulses after a PIO write or read; power-on default function is RST."
      },
      {
        "number": "11",
        "name": "P4",
        "type": "bidirectional",
        "description": "I/O pin of channel 4 with the same characteristics as P0 (logic input and open-drain output, 100Ω maximum on-resistance, 0V to 5.25V range)."
      },
      {
        "number": "12",
        "name": "P3",
        "type": "bidirectional",
        "description": "I/O pin of channel 3 with the same characteristics as P0 (logic input and open-drain output, 100Ω maximum on-resistance, 0V to 5.25V range)."
      },
      {
        "number": "13",
        "name": "P2",
        "type": "bidirectional",
        "description": "I/O pin of channel 2 with the same characteristics as P0 (logic input and open-drain output, 100Ω maximum on-resistance, 0V to 5.25V range)."
      },
      {
        "number": "14",
        "name": "P1",
        "type": "bidirectional",
        "description": "I/O pin of channel 1 with the same characteristics as P0 (logic input and open-drain output, 100Ω maximum on-resistance, 0V to 5.25V range)."
      },
      {
        "number": "15",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "16",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Not connected."
      }
    ],
    "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: Pinout is taken from the pin description table on page 5, which is for the 16-pin SO (150 mil) packa; The datasheet does not give KiCad ERC types. Types for P0-P7 and RSTZ were inferred as bidirectional; The datasheet does not state the ERC type for pins 1, 6, 15 and 16. They are typed unconnected becau"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0436,
        "at": "2026-10-21T00:55:44"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590152953421336576",
        "pages": 39,
        "sha256": "a3ff6f43ff6573a3",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "ds2408s-t-r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds2408s-t-r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "828f734252776c0a92ee45bc7672a359ad7c5930cb3b9b66dfdeb9d31ee0101d",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}