ISL3332IAZ

{
  "slug": "isl3332iaz",
  "version": "0.1.0",
  "type": "component",
  "description": "RENESAS Pre-ordered Chips, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "isl3332iaz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "isl3332iaz.kicad_sym",
    "isl3332iaz.kicad_mod",
    "isl3332iaz.glb",
    "isl3332iaz.step",
    "isl3332iaz.lbr",
    "docs/hero.png",
    "docs/isl3332iaz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "isl3332iaz-hero.glb",
    "isl3332iaz-hero.overlay.json",
    "isl3332iaz-etched.glb"
  ],
  "component": {
    "mpn": "ISL3332IAZ",
    "manufacturer": "RENESAS",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/84af9ef327270c3bd3f2bcaede994781.pdf",
    "parts": {
      "symbol": "isl3332iaz.kicad_sym",
      "footprint": "isl3332iaz.kicad_mod",
      "model_3d": "isl3332iaz-hero.glb",
      "model_3d_plain": "isl3332iaz-etched.glb",
      "model_3d_step": "isl3332iaz-etched.step",
      "model_3d_step_plain": "isl3332iaz.step",
      "lbr": "isl3332iaz.lbr"
    },
    "distributor_links": {
      "lcsc": "C1544171",
      "digikey": "ISL3332IAZ-ND",
      "mouser": "968-ISL3332IAZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:36:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ISL3332IAZ-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "968-ISL3332IAZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Voltage doubler external capacitor connection (RS-232); not needed if both ports are in RS-485 mode."
      },
      {
        "number": "2",
        "name": "C1-",
        "type": "passive",
        "description": "Voltage doubler external capacitor connection (RS-232); not needed if both ports are in RS-485 mode."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_out",
        "description": "Internally generated positive RS-232 transmitter supply (+5.5V); C3 not needed if both ports are in RS-485 mode."
      },
      {
        "number": "4",
        "name": "A1",
        "type": "input",
        "description": "Port 1 receiver input with 15kV ESD protection; RS-232 receiver input or RS-485 inverting receiver input."
      },
      {
        "number": "5",
        "name": "B1",
        "type": "input",
        "description": "Port 1 receiver input with 15kV ESD protection; RS-232 receiver input or RS-485 noninverting receiver input."
      },
      {
        "number": "6",
        "name": "Y1",
        "type": "output",
        "description": "Port 1 driver output with 15kV ESD protection; RS-232 driver output or RS-485 inverting driver output."
      },
      {
        "number": "7",
        "name": "Z1",
        "type": "output",
        "description": "Port 1 driver output with 15kV ESD protection; RS-232 driver output or RS-485 noninverting driver output."
      },
      {
        "number": "8",
        "name": "SEL1",
        "type": "input",
        "description": "Port 1 interface mode select: high selects RS-485 mode, low selects RS-232 mode."
      },
      {
        "number": "9",
        "name": "SEL2",
        "type": "input",
        "description": "Port 2 interface mode select: high selects RS-485 mode, low selects RS-232 mode."
      },
      {
        "number": "10",
        "name": "Z2",
        "type": "output",
        "description": "Port 2 driver output with 15kV ESD protection; RS-232 driver output or RS-485 noninverting driver output."
      },
      {
        "number": "11",
        "name": "Y2",
        "type": "output",
        "description": "Port 2 driver output with 15kV ESD protection; RS-232 driver output or RS-485 inverting driver output."
      },
      {
        "number": "12",
        "name": "B2",
        "type": "input",
        "description": "Port 2 receiver input with 15kV ESD protection; RS-232 receiver input or RS-485 noninverting receiver input."
      },
      {
        "number": "13",
        "name": "A2",
        "type": "input",
        "description": "Port 2 receiver input with 15kV ESD protection; RS-232 receiver input or RS-485 inverting receiver input."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "15",
        "name": "V-",
        "type": "power_out",
        "description": "Internally generated negative RS-232 transmitter supply (-5.5V); C4 not needed if both ports are in RS-485 mode."
      },
      {
        "number": "16",
        "name": "RB2",
        "type": "output",
        "description": "Port 2 RS-232 receiver output; in RS-485 mode not used and internally pulled high."
      },
      {
        "number": "17",
        "name": "RA2",
        "type": "output",
        "description": "Port 2 receiver output; RS-232 receiver output or RS-485 receiver output (high if inputs open or shorted, full fail-safe)."
      },
      {
        "number": "18",
        "name": "DZ2/DE2",
        "type": "input",
        "description": "Port 2 RS-232 driver input DZ, or RS-485 driver output enable DE (high enables Y, Z; internally pulled high in RS-485 mode)."
      },
      {
        "number": "19",
        "name": "DY2",
        "type": "input",
        "description": "Port 2 driver input; low forces Y high (RS-232) and a high forces Y low."
      },
      {
        "number": "20",
        "name": "ON/OFF",
        "type": "input",
        "description": "A low disables all outputs and charge pumps for low power shutdown; internally pulled high, high for normal operation."
      },
      {
        "number": "21",
        "name": "LB",
        "type": "input",
        "description": "Enables loopback mode when low; internally pulled high."
      },
      {
        "number": "22",
        "name": "DY1",
        "type": "input",
        "description": "Port 1 driver input; low forces Y high (RS-232) and a high forces Y low."
      },
      {
        "number": "23",
        "name": "DZ1/DE1",
        "type": "input",
        "description": "Port 1 RS-232 driver input DZ, or RS-485 driver output enable DE (high enables Y, Z; internally pulled high in RS-485 mode)."
      },
      {
        "number": "24",
        "name": "RA1",
        "type": "output",
        "description": "Port 1 receiver output; RS-232 receiver output or RS-485 receiver output (high if inputs open or shorted, full fail-safe)."
      },
      {
        "number": "25",
        "name": "RB1",
        "type": "output",
        "description": "Port 1 RS-232 receiver output; in RS-485 mode not used and internally pulled high."
      },
      {
        "number": "26",
        "name": "VCC",
        "type": "power_in",
        "description": "System power supply input (3.3V)."
      },
      {
        "number": "27",
        "name": "C2-",
        "type": "passive",
        "description": "Voltage inverter external capacitor connection (RS-232); not needed if both ports are in RS-485 mode."
      },
      {
        "number": "28",
        "name": "C2+",
        "type": "passive",
        "description": "Voltage inverter external capacitor connection (RS-232); not needed if both ports are in RS-485 mode."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pinout figure text on page 2 is scrambled. I assigned pin numbers from the Typical Operating Cir; The datasheet gives no pin-type classes. Types are inferred from the descriptions. V+ and V- are mar",
          "6/28 pins cited to the wrong page (name found elsewhere): ['10:Z2@p5', '13:A2@p5', '16:RB2@p5', '17:RA2@p5']"
        ],
        "pages_sent": 17,
        "cost_usd": 0.2616,
        "at": "2026-10-27T01:35:58"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/84af9ef327270c3bd3f2bcaede994781.pdf",
        "pages": 28,
        "sha256": "04894c599b496a1d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "isl3332iaz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "isl3332iaz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5d46f2b96a2c8e683934429290126f105e5678af312c9d4fee248be0ac61adc3",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}