main
Ray Publish 0.1.0 9a47081
{
  "slug": "ca-is3642hw",
  "version": "0.1.0",
  "type": "component",
  "description": "Chipanalog Pre-ordered Chips, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "ca-is3642hw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ca-is3642hw.kicad_sym",
    "ca-is3642hw.kicad_mod",
    "ca-is3642hw.glb",
    "ca-is3642hw.step",
    "ca-is3642hw.lbr",
    "docs/hero.png",
    "docs/ca-is3642hw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ca-is3642hw-hero.glb",
    "ca-is3642hw-hero.overlay.json",
    "ca-is3642hw-etched.glb"
  ],
  "component": {
    "mpn": "CA-IS3642HW",
    "manufacturer": "Chipanalog",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/375e7af9944ccc5ee2f69a2713f078fb.pdf",
    "parts": {
      "symbol": "ca-is3642hw.kicad_sym",
      "footprint": "ca-is3642hw.kicad_mod",
      "model_3d": "ca-is3642hw-hero.glb",
      "model_3d_plain": "ca-is3642hw-etched.glb",
      "model_3d_step": "ca-is3642hw-etched.step",
      "model_3d_step_plain": "ca-is3642hw.step",
      "lbr": "ca-is3642hw.lbr"
    },
    "distributor_links": {
      "lcsc": "C2890053"
    },
    "distributor_check": {
      "checked_at": "2026-11-12T07:50:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "A-side supply voltage, specified at 3 V to 5.5 V recommended with an absolute maximum of 6.0 V."
      },
      {
        "number": "2",
        "name": "GNDA",
        "type": "power_in",
        "description": "A-side ground reference point."
      },
      {
        "number": "3",
        "name": "VI1",
        "type": "input",
        "description": "A-side logic input of forward channel 1 for CA-IS3642; VIH minimum 2.0 V and VIL maximum 0.8 V."
      },
      {
        "number": "4",
        "name": "VI2",
        "type": "input",
        "description": "A-side logic input of forward channel 2 for CA-IS3642; VIH minimum 2.0 V and VIL maximum 0.8 V."
      },
      {
        "number": "5",
        "name": "VO3",
        "type": "output",
        "description": "A-side logic output of reverse channel 3 for CA-IS3642 (data received from the B side)."
      },
      {
        "number": "6",
        "name": "VO4",
        "type": "output",
        "description": "A-side logic output of reverse channel 4 for CA-IS3642 (data received from the B side)."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; it may float, be tied to VDD, or be tied to GND."
      },
      {
        "number": "8",
        "name": "GNDA",
        "type": "power_in",
        "description": "A-side ground reference point."
      },
      {
        "number": "9",
        "name": "GNDB",
        "type": "power_in",
        "description": "B-side ground reference point."
      },
      {
        "number": "10",
        "name": "SEL",
        "type": "input",
        "description": "VISO output-voltage select: tie to VISO for 5 V, or to GNDB or leave floating for 3.3 V; the pin has a weak internal pull-down and a direct connection to GNDB is recommended in noisy systems."
      },
      {
        "number": "11",
        "name": "VI4",
        "type": "input",
        "description": "B-side logic input of reverse channel 4 for CA-IS3642; VIH minimum 2.0 V and VIL maximum 0.8 V."
      },
      {
        "number": "12",
        "name": "VI3",
        "type": "input",
        "description": "B-side logic input of reverse channel 3 for CA-IS3642; VIH minimum 2.0 V and VIL maximum 0.8 V."
      },
      {
        "number": "13",
        "name": "VO2",
        "type": "output",
        "description": "B-side logic output of forward channel 2 for CA-IS3642 (data received from the A side)."
      },
      {
        "number": "14",
        "name": "VO1",
        "type": "output",
        "description": "B-side logic output of forward channel 1 for CA-IS3642 (data received from the A side)."
      },
      {
        "number": "15",
        "name": "GNDB",
        "type": "power_in",
        "description": "B-side ground reference point."
      },
      {
        "number": "16",
        "name": "VISO",
        "type": "power_out",
        "description": "Isolated B-side output voltage, 5.0 V or 3.3 V as selected by the SEL pin, rated 5000 VRMS isolation."
      }
    ],
    "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: Pin-to-function mapping for CA-IS3642 was derived from Table 7-2 (page 5) because the top-view diagr; Datasheet pin 3, 4, 5, 6, 11, 12, 13 and 14 are shared between CA-IS364x variants (e.g. 'VI1/VO1'); ; Pin 7 is labelled NC1 in the datasheet table and pin 10 is labelled SEL with a footnote; pin 16 VISO"
        ],
        "pages_sent": 31,
        "cost_usd": 0.0089,
        "at": "2026-11-12T07:50:12"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/375e7af9944ccc5ee2f69a2713f078fb.pdf",
        "pages": 31,
        "sha256": "426f9d6fab8911c4",
        "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": "ca-is3642hw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          10.3,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "159663ceb2b4996b1b89d3111e4a355fc27de3e24d3570f50e5ed9086e0d73af",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ca-is3642hw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          10.3,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "82eec6316a37780a410a53fdaa6f6f25321ccf75dd43c98963ea5eee819c1925",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOIC16-WB (W)",
      "source_page": 28,
      "D": {
        "nom_mm": 10.3,
        "range_mm": [
          10.2,
          10.4
        ]
      },
      "E1": {
        "nom_mm": 7.5,
        "range_mm": [
          7.4,
          7.6
        ]
      },
      "E": {
        "nom_mm": 10.3,
        "range_mm": [
          10.1,
          10.5
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 2.65,
        "range_mm": [
          null,
          2.65
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ca-is3642hw.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}