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Ray Set visibility: public 1889445 7d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "max3490esa-t",
  "title": "MAX3490ESA+T",
  "brief": "ElecSuper RS-485 / RS-422 ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "interface",
    "max3490esa+t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MAX3490ESA+T",
    "manufacturer": "ElecSuper",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604435632185880576",
    "parts": {
      "symbol": "max3490esa-t.kicad_sym",
      "footprint": "max3490esa-t.kicad_mod",
      "model_3d": "max3490esa-t-hero.glb",
      "model_3d_plain": "max3490esa-t-etched.glb",
      "model_3d_step": "max3490esa-t-etched.step",
      "model_3d_step_plain": "max3490esa-t.step",
      "lbr": "max3490esa-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C41438278",
      "digikey": "MAX3490ESA+TTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:09:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MAX3490ESA+TTR-ND",
        "status": "found"
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      "mouser": {
        "pn": null,
        "status": "quota"
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        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; the device operates from 3.0 V to 5.5 V, with an absolute maximum VCC of +7 V."
      },
      {
        "number": "2",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: driven high when A-B is at or above +200 mV and low when A-B is at or below -200 mV."
      },
      {
        "number": "3",
        "name": "DI",
        "type": "input",
        "description": "Driver input: low drives Y low and Z high, high drives Y high and Z low; VIH minimum is 2.0 V, VIL maximum is 0.8 V, and absolute range is -0.3 V to VCC+0.3 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltages on the device are referenced to this pin."
      },
      {
        "number": "5",
        "name": "Y",
        "type": "output",
        "description": "Non-inverting driver output that follows DI, with short-circuit output current limited to 250 mA maximum per the electrical table."
      },
      {
        "number": "6",
        "name": "Z",
        "type": "output",
        "description": "Inverting driver output, complementary to Y, with short-circuit output current limited to 250 mA maximum per the electrical table."
      },
      {
        "number": "7",
        "name": "B",
        "type": "input",
        "description": "Inverting receiver input on the bus, with an absolute bus-side input voltage range of -8 V to +13 V."
      },
      {
        "number": "8",
        "name": "A",
        "type": "input",
        "description": "Non-inverting receiver input on the bus, with an absolute bus-side input voltage range of -8 V to +13 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 pinout is a single pin table (page 2) that is not labelled per package; pin numbers 1-8 were tak; The datasheet does not give a separate pin type for A, B, Y and Z (bus pins); they are typed here as"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0376,
        "at": "2026-10-18T17:07:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604435632185880576",
        "pages": 11,
        "sha256": "ec4f7a669703c158",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "max3490esa-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "ElecSuper",
      "Package": "SOP-8",
      "Category": "Interface",
      "Pins": "8"
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          "conditions": "Product description (3.0V~5.5V supply)",
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          "conditions": "Printed as -0.3~VCC+0.3",
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          "name": "Receiver output voltage RO",
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          "name": "Operating ambient temperature range",
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          "name": "Storage temperature range",
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          "name": "Soldering temperature range",
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        {
          "name": "Continuous power dissipation SOP8",
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          "unit": "mW",
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          "conditions": "SOP8 package",
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        {
          "name": "Driver differential output (no load)",
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          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VCC=5V",
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        {
          "name": "Driver differential output",
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          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "Figure 2, RL = 54 Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Change in magnitude of differential output voltage",
          "symbol": "ΔVOD",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "Figure 2, RL = 54 Ω",
          "source_page": 3,
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        {
          "name": "Output common-mode voltage",
          "symbol": "VOC",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 3,
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          "source_page": 3,
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        {
          "name": "Change in magnitude of common-mode output voltage",
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          "source_page": 3,
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        {
          "name": "Logic input high voltage",
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          "kind": "electrical",
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          "conditions": "Short to 0V~12V",
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          "name": "Output short-circuit current, short to low",
          "symbol": "IOSD2",
          "kind": "electrical",
          "unit": "mA",
          "min": -250,
          "typ": null,
          "max": -35,
          "conditions": "Short to -7V~0V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Receiver input current (A, B)",
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          "unit": "uA",
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          "max": 125,
          "conditions": "VCC=0 or 3.3V, VIN = 12 V",
          "source_page": 3,
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        {
          "name": "Receiver input current (A, B)",
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          "kind": "electrical",
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          "min": -100,
          "typ": null,
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          "conditions": "VCC=0 or 3.3V, VIN = -7V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Positive input threshold voltage",
          "symbol": "VIT+",
          "kind": "electrical",
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          "min": 200,
          "typ": null,
          "max": null,
          "conditions": "-7V≤VCM≤12V",
          "source_page": 3,
          "source": "datasheet"
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          "name": "Negative input threshold voltage",
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          "max": -200,
          "conditions": "-7V≤VCM≤12V",
          "source_page": 3,
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        {
          "name": "Input hysteresis voltage",
          "symbol": "Vhys",
          "kind": "electrical",
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          "min": null,
          "typ": 10,
          "max": 30,
          "conditions": "-7V≤VCM≤12V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 0.4,
          "conditions": "IOUT = +4mA, VID = -200 mV",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Three-state input leakage current",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "0.4V<VO<2.4V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver input resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 96,
          "typ": null,
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          "conditions": "-7V≤VCM≤12V",
          "source_page": 4,
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        {
          "name": "Receiver short-circuit current",
          "symbol": "IOSR",
          "kind": "electrical",
          "unit": "mA",
          "min": -95,
          "typ": null,
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          "conditions": "0 V≤VO≤VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 240,
          "max": 400,
          "conditions": "DI = 0 V or VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM, A, B, Y, Z ports",
          "symbol": "",
          "kind": "electrical",
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          "min": -15,
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          "name": "ESD HBM, other ports",
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          "name": "Driver propagation delay, low to high",
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          "conditions": "RL=54Ω, CL=100pF, see Figures 3 and 4",
          "source_page": 4,
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        {
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        {
          "name": "Differential output delay / transition time",
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        {
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          "max": 10,
          "conditions": "",
          "source_page": 4,
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  "discovery_pitch": "MAX3490ESA+T (ElecSuper) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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