ISL3179EIRZ-T

{
  "schema_version": 1,
  "type": "component",
  "slug": "isl3179eirz-t",
  "title": "ISL3179EIRZ-T",
  "brief": "RENESAS RS-485/RS-422 ICs, DFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "isl3179eirz-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ISL3179EIRZ-T",
    "manufacturer": "RENESAS",
    "package": "DFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "RS-485/RS-422 ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/82206e73804099398af4d4bcae4b9189.pdf",
    "parts": {
      "symbol": "isl3179eirz-t.kicad_sym",
      "footprint": "isl3179eirz-t.kicad_mod",
      "model_3d": "isl3179eirz-t-hero.glb",
      "model_3d_plain": "isl3179eirz-t-etched.glb",
      "model_3d_step": "isl3179eirz-t-etched.step",
      "model_3d_step_plain": "isl3179eirz-t.step",
      "lbr": "isl3179eirz-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C1849396",
      "digikey": "20-ISL3179EIRZ-TTR-ND",
      "mouser": "968-ISL3179EIRZ-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:41:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "20-ISL3179EIRZ-TTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "968-ISL3179EIRZ-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output, high if A-B >= -50mV, low if A-B <= -200mV, and high if the inputs are floating, shorted, or on a terminated undriven bus; high impedance when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Active-low receiver output enable: RO is enabled when RE is low and high impedance when RE is high; connect directly to GND if the Rx enable function is not required."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: driver outputs are enabled when DE is high and high impedance when DE is low; if the Tx enable function is not required, connect DE to VCC through a 1kΩ or greater resistor."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: a low forces output Y low and Z high, and a high forces Y high and Z low."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection, which is also the potential of the DFN's exposed metal pad."
      },
      {
        "number": "7",
        "name": "A/Y",
        "type": "bidirectional",
        "description": "±16.5kV IEC61000 ESD protected RS-485/RS-422 noninverting receiver input and noninverting driver output; an input (A) if DE = 0 and an output (Y) if DE = 1."
      },
      {
        "number": "8",
        "name": "B/Z",
        "type": "bidirectional",
        "description": "±16.5kV IEC61000 ESD protected RS-485/RS-422 inverting receiver input and inverting driver output; an input (B) if DE = 0 and an output (Z) if DE = 1."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "10",
        "name": "VCC",
        "type": "power_in",
        "description": "System power supply input, 3.0V to 3.6V."
      },
      {
        "number": "11",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package drawing on page 3 shows the 10-lead DFN pin numbers: RO 1, RE 2, DE 3, DI 4, NC 5, GND 6; The datasheet gives no electrical limit for the NC pins beyond 'No internal connection'. Their descr",
          "exposed pad 11 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 19,
        "cost_usd": 0.091,
        "at": "2026-10-27T01:41:37"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/82206e73804099398af4d4bcae4b9189.pdf",
        "pages": 19,
        "sha256": "dd7644b4b5649b88",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "isl3179eirz-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "isl3179eirz-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "12383ad7f16e8ac5caf504d40e5cd6bbc97917d91abd22a2be684f046f665295",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "RENESAS",
      "Package": "DFN-10-EP(3x3)",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "11"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "isl3179eirz-t"
  ],
  "discovery_pitch": "ISL3179EIRZ-T (RENESAS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "isl3179eirz-t.kicad_sym",
    "isl3179eirz-t.kicad_mod",
    "isl3179eirz-t.glb",
    "isl3179eirz-t.step",
    "isl3179eirz-t.lbr",
    "docs/hero.png",
    "docs/isl3179eirz-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "isl3179eirz-t-hero.glb",
    "isl3179eirz-t-hero.overlay.json",
    "isl3179eirz-t-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}