MAX490ESA

{
  "slug": "max490esa",
  "version": "0.1.0",
  "type": "component",
  "description": "XBLW RS-485 / RS-422 ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "max490esa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max490esa.kicad_sym",
    "max490esa.kicad_mod",
    "max490esa.glb",
    "max490esa.step",
    "max490esa.lbr",
    "docs/hero.png",
    "docs/max490esa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max490esa-hero.glb",
    "max490esa-hero.overlay.json",
    "max490esa-etched.glb"
  ],
  "component": {
    "mpn": "MAX490ESA",
    "manufacturer": "XBLW",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603380675009658880",
    "parts": {
      "symbol": "max490esa.kicad_sym",
      "footprint": "max490esa.kicad_mod",
      "model_3d": "max490esa-hero.glb",
      "model_3d_plain": "max490esa-etched.glb",
      "model_3d_step": "max490esa-etched.step",
      "model_3d_step_plain": "max490esa.step",
      "lbr": "max490esa.lbr"
    },
    "distributor_links": {
      "lcsc": "C22451413"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:54:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin; the datasheet specifies 3.0 V ≦ VCC ≦ 5.5 V (absolute maximum 7 V)."
      },
      {
        "number": "2",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: goes high when A-B ≥ -50 mV and low when A-B ≤ -200 mV, and is held high when the receiver input is open or shorted."
      },
      {
        "number": "3",
        "name": "DI",
        "type": "input",
        "description": "Driver input: a low level forces Y low and Z high, and a high level forces Y high and Z low; absolute range is -0.3 V to VCC+0.3 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "5",
        "name": "Y",
        "type": "output",
        "description": "Driver non-inverting output that follows DI; the driver output voltage range is limited to -8 V to +13 V per the absolute maximum ratings."
      },
      {
        "number": "6",
        "name": "Z",
        "type": "output",
        "description": "Driver inverting output, complementary to Y; the driver output voltage range is limited to -8 V to +13 V per the absolute maximum ratings."
      },
      {
        "number": "7",
        "name": "B",
        "type": "input",
        "description": "Receiver inverting input; the receiver input voltage range is -8 V to +13 V with a nominal input impedance of 96 kΩ."
      },
      {
        "number": "8",
        "name": "A",
        "type": "input",
        "description": "Receiver non-inverting input; the receiver input voltage range is -8 V to +13 V with a nominal input impedance of 96 kΩ."
      }
    ],
    "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: The SOP-8 pinout is taken from the 'Pin Description' table on page 3 (full-duplex pin list); the ord; The DC characteristics table (page 4) references DE, /RE enable inputs, but the SOP-8 pin list does ; The 'Operating temperature range' text on page 3 is garbled in the extracted text (reads as '0 ~ +7 "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0401,
        "at": "2026-10-17T23:52:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603380675009658880",
        "pages": 10,
        "sha256": "a5821d8ad0c2488e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "max490esa.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max490esa-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "26751b3dd2905c6f7670c5482d17aebeedd35729aa72a926b47803c495320a52",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}