MAX481ESA+T

{
  "slug": "max481esa-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Maxim Integrated Interface - Specialized, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "max481esa+t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max481esa-t.kicad_sym",
    "max481esa-t.kicad_mod",
    "max481esa-t.glb",
    "max481esa-t.step",
    "max481esa-t.lbr",
    "docs/hero.png",
    "docs/max481esa-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max481esa-t-hero.glb",
    "max481esa-t-hero.overlay.json",
    "max481esa-t-etched.glb"
  ],
  "component": {
    "mpn": "MAX481ESA+T",
    "manufacturer": "Maxim Integrated",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/max1487e-max491e.pdf",
    "parts": {
      "symbol": "max481esa-t.kicad_sym",
      "footprint": "max481esa-t.kicad_mod",
      "model_3d": "max481esa-t-hero.glb",
      "model_3d_plain": "max481esa-t-etched.glb",
      "model_3d_step": "max481esa-t-etched.step",
      "model_3d_step_plain": "max481esa-t.step",
      "lbr": "max481esa-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C3235179",
      "digikey": "MAX481ESA+TTR-ND",
      "mouser": "700-MAX481ESAT"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T00:11:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MAX481ESA+TTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "700-MAX481ESAT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: RO goes high if A > B by 200mV and goes low if A < B by 200mV."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable (active low): RO is enabled when RE is low and is high impedance when RE is high."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: the driver outputs (A and B on this part) are enabled when DE is high and are high impedance when DE is low."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: a low on DI forces output A low and B high, and a high on DI forces A high and B low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Noninverting receiver input and noninverting driver output; the receiver input impedance is 12kΩ standard (48kΩ for the 1/4-unit-load MAX487E/MAX1487E class), and the datasheet states a fail-safe logic-high RO when the input is open."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting receiver input and inverting driver output; it is paired with A for the differential RS-485/RS-422 bus."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply: 4.75V ≤ VCC ≤ 5.25V."
      }
    ],
    "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 MPN MAX481ESA+T is not listed in the datasheet. The closest ordering entry is MAX481EESA (8 SO, ; The pin-table text was scrambled during extraction, so the 8-pin column mapping was cross-checked ag; Pin 6 and pin 7 are 'A' and 'B' per the datasheet, but the description text notes that A and B are t"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0961,
        "at": "2026-10-29T00:11:20"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/max1487e-max491e.pdf",
        "pages": 16,
        "sha256": "273f114f0ec895b5",
        "source_tier": "mfr"
      },
      "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": "max481esa-t.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": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max481esa-t-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": "8e5bbfbc76217179b519cdd193b2ed632c24621032e4af8d7a6d8c851e96cd4d",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}