PCA9654EDTR2G

{
  "slug": "pca9654edtr2g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi I/O Expanders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "pca9654edtr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pca9654edtr2g.kicad_sym",
    "pca9654edtr2g.kicad_mod",
    "pca9654edtr2g.glb",
    "pca9654edtr2g.step",
    "pca9654edtr2g.lbr",
    "docs/hero.png",
    "docs/pca9654edtr2g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pca9654edtr2g-hero.glb",
    "pca9654edtr2g-hero.overlay.json",
    "pca9654edtr2g-etched.glb"
  ],
  "component": {
    "mpn": "PCA9654EDTR2G",
    "manufacturer": "onsemi",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Interface ICs",
    "subcategory": "I/O Expanders",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/pca9654edtr2-d.pdf",
    "parts": {
      "symbol": "pca9654edtr2g.kicad_sym",
      "footprint": "pca9654edtr2g.kicad_mod",
      "model_3d": "pca9654edtr2g-hero.glb",
      "model_3d_plain": "pca9654edtr2g-etched.glb",
      "model_3d_step": "pca9654edtr2g-etched.step",
      "model_3d_step_plain": "pca9654edtr2g.step",
      "lbr": "pca9654edtr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C604663",
      "digikey": "PCA9654EDTR2GOSTR-ND",
      "mouser": "863-PCA9654EDTR2G"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T18:45:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "PCA9654EDTR2GOSTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "863-PCA9654EDTR2G",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AD0",
        "type": "input",
        "description": "Address input 0 selects one of 64 slave addresses together with AD1 and AD2; no internal pull-up resistor is incorporated on AD0."
      },
      {
        "number": "2",
        "name": "AD1",
        "type": "input",
        "description": "Address input 1 selects one of 64 slave addresses together with AD0 and AD2; no internal pull-up resistor is incorporated on AD1."
      },
      {
        "number": "3",
        "name": "AD2",
        "type": "input",
        "description": "Address input 2 selects one of 64 slave addresses together with AD0 and AD1; no internal pull-up resistor is incorporated on AD2."
      },
      {
        "number": "4",
        "name": "IO0",
        "type": "bidirectional",
        "description": "General-purpose I/O 0, configurable as input (high-impedance with weak 100 kΩ pull-up to VDD) or output; may be raised to a maximum of 5.5 V when configured as input, and each bit is limited to 25 mA sink."
      },
      {
        "number": "5",
        "name": "IO1",
        "type": "bidirectional",
        "description": "General-purpose I/O 1, configurable as input (high-impedance with weak 100 kΩ pull-up to VDD) or output; may be raised to a maximum of 5.5 V when configured as input, and each bit is limited to 25 mA sink."
      },
      {
        "number": "6",
        "name": "IO2",
        "type": "bidirectional",
        "description": "General-purpose I/O 2, configurable as input (high-impedance with weak 100 kΩ pull-up to VDD) or output; may be raised to a maximum of 5.5 V when configured as input, and each bit is limited to 25 mA sink."
      },
      {
        "number": "7",
        "name": "IO3",
        "type": "bidirectional",
        "description": "General-purpose I/O 3, configurable as input (high-impedance with weak 100 kΩ pull-up to VDD) or output; may be raised to a maximum of 5.5 V when configured as input, and each bit is limited to 25 mA sink."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Supply ground."
      },
      {
        "number": "9",
        "name": "IO4",
        "type": "bidirectional",
        "description": "General-purpose I/O 4, configurable as input (high-impedance with weak 100 kΩ pull-up to VDD) or output; may be raised to a maximum of 5.5 V when configured as input, and each bit is limited to 25 mA sink."
      },
      {
        "number": "10",
        "name": "IO5",
        "type": "bidirectional",
        "description": "General-purpose I/O 5, configurable as input (high-impedance with weak 100 kΩ pull-up to VDD) or output; may be raised to a maximum of 5.5 V when configured as input, and each bit is limited to 25 mA sink."
      },
      {
        "number": "11",
        "name": "IO6",
        "type": "bidirectional",
        "description": "General-purpose I/O 6, configurable as input (high-impedance with weak 100 kΩ pull-up to VDD) or output; may be raised to a maximum of 5.5 V when configured as input, and each bit is limited to 25 mA sink."
      },
      {
        "number": "12",
        "name": "IO7",
        "type": "bidirectional",
        "description": "General-purpose I/O 7, configurable as input (high-impedance with weak 100 kΩ pull-up to VDD) or output; may be raised to a maximum of 5.5 V when configured as input, and each bit is limited to 25 mA sink."
      },
      {
        "number": "13",
        "name": "INT",
        "type": "output",
        "description": "Active-LOW open-drain interrupt output, activated when any input state differs from its corresponding input port register state; sinks 6 mA at VOL = 0.4 V."
      },
      {
        "number": "14",
        "name": "SCL",
        "type": "input",
        "description": "I2C-bus serial clock line, supporting Standard Mode (100 kHz), Fast Mode (400 kHz) and Fast Mode+ (1 MHz) and requiring an external pull-up to a positive supply."
      },
      {
        "number": "15",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C-bus serial data line, open-drain with 30 mA SDA sink capability, requiring an external pull-up to a positive supply."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage, operating range 1.65 V to 5.5 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: Pinout is taken from Table 1 (SOIC16/TSSOP16 column) on page 3, which the datasheet states applies t"
        ],
        "pages_sent": 22,
        "cost_usd": 0.101,
        "at": "2026-11-05T18:44:53"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/pca9654edtr2-d.pdf",
        "pages": 22,
        "sha256": "87e488f9fe8a48bf",
        "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"
    },
    "models_3d": [
      {
        "file": "pca9654edtr2g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pca9654edtr2g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2fd5d104108f3a43fcde91ab5d9c743fb4c270e93191296052bba480ccc5875d",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "TSSOP-16 (CASE 948F)",
      "source_page": 19,
      "D": {
        "nom_mm": 5.0,
        "range_mm": [
          4.9,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
          4.3,
          4.5
        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "pca9654edtr2g.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}