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Ray Set visibility: public 1b43b69 17d ago
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{
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  "type": "component",
  "slug": "sp485en-ms",
  "title": "SP485EN-MS",
  "brief": "MSKSEMI 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",
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    "manufacturer": "MSKSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602994303161544704",
    "parts": {
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      "footprint": "sp485en-ms.kicad_mod",
      "model_3d": "sp485en-ms-hero.glb",
      "model_3d_plain": "sp485en-ms-etched.glb",
      "model_3d_step": "sp485en-ms-etched.step",
      "model_3d_step_plain": "sp485en-ms.step",
      "lbr": "sp485en-ms.lbr"
    },
    "distributor_links": {
      "lcsc": "C7434433"
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    "distributor_check": {
      "checked_at": "2026-10-18T06:30:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: when /RE is low, RO is high if A-B ≥ -50 mV and low if A-B ≤ -200 mV."
      },
      {
        "number": "2",
        "name": "/RE",
        "type": "input",
        "description": "Receiver output enable, active low: high disables the receiver output (RO high-impedance), and /RE high with DE low puts the device into low-power shutdown."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable, active high: low forces the driver outputs to high-impedance, and /RE high with DE low puts the device into low-power shutdown."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: when DE is high, a low on DI drives A low and B high, and a high on DI drives A high and B low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltages in the datasheet are referenced to this pin."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting receiver input and non-inverting driver output; bus-side input voltage is rated -7 V to 13 V."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting receiver input and inverting driver output; bus-side input voltage is rated -7 V to 13 V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin: operating supply range is 4.75 V to 5.25 V, with an absolute maximum of +7 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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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 pin-diagram figure (丝印/pin layout drawing on page 2) is not present as extractable text. Pin num"
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        "pages_sent": 13,
        "cost_usd": 0.0469,
        "at": "2026-10-18T06:28:58"
      },
      "datasheet": {
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        "pages": 13,
        "sha256": "6a312ca51fc5ae87",
        "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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        "seat": "z = 0",
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        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "file": "sp485en-ms-etched.step",
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  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "SOP-8",
      "Category": "Interface",
      "Pins": "8"
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    "characteristics": {
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      "rows": [
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          "name": "Supply voltage (absolute maximum)",
          "symbol": "VCC",
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          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Control port voltage /RE, DE, DI (max VCC+0.3 V)",
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          "min": -0.3,
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        {
          "name": "Bus-side input voltage A, B",
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        {
          "name": "Receiver output voltage RO (max VCC+0.3 V)",
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        {
          "name": "Operating temperature range",
          "symbol": "",
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          "unit": "°C",
          "min": -40,
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          "name": "Storage temperature range",
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        {
          "name": "Soldering temperature",
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        },
        {
          "name": "Continuous power dissipation, SOP8",
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          "unit": "mW",
          "min": null,
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        {
          "name": "Supply voltage operating range",
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          "source_page": 2,
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        },
        {
          "name": "Driver differential output, no load",
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          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "No load",
          "source_page": 4,
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        {
          "name": "Driver differential output, RL=27 Ω",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 5,
          "conditions": "Fig 2, RL = 27 Ω",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Driver differential output, RL=50 Ω",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "Fig 2, RL = 50 Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Change in differential output magnitude",
          "symbol": "ΔVOD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "Fig 2, RL = 27 Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver common-mode output voltage",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Fig 2, RL = 27 Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Change in common-mode output magnitude",
          "symbol": "ΔVOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "Fig 2, RL = 27 Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "DE, DI, /RE",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "DE, DI, /RE",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic input current",
          "symbol": "IIN1",
          "kind": "electrical",
          "unit": "µA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "DE, DI, /RE",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver output short-circuit current, short to high",
          "symbol": "IOSD1",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": null,
          "max": 250,
          "conditions": "Short to 0 V to 12 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver output short-circuit current, short to low",
          "symbol": "IOSD2",
          "kind": "electrical",
          "unit": "mA",
          "min": -250,
          "typ": null,
          "max": -35,
          "conditions": "Short to -7 V to 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver input current (A, B), max",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "DE = 0 V, VCC = 0 or 5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver input current (A, B), min",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "DE = 0 V, VCC = 0 or 5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Positive-going input threshold voltage",
          "symbol": "VIT+",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -50,
          "conditions": "-7 V≤VCM≤12 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Negative-going input threshold voltage",
          "symbol": "VIT-",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input hysteresis voltage",
          "symbol": "Vhys",
          "kind": "electrical",
          "unit": "mV",
          "min": 10,
          "typ": 30,
          "max": null,
          "conditions": "-7 V≤VCM≤12 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOUT = +4 mA, VID = -200 mV",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Three-state input leakage current",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "0.4 V < VO < 2.4 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver input resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 96,
          "typ": null,
          "max": null,
          "conditions": "-7 V≤VCM≤12 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver short-circuit current (magnitude)",
          "symbol": "IOSR",
          "kind": "electrical",
          "unit": "mA",
          "min": 7,
          "typ": null,
          "max": 95,
          "conditions": "0 V≤VO≤VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current, receiver/driver enabled",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 180,
          "max": 500,
          "conditions": "/RE=0 V or VCC, DE = 0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current, /RE=VCC",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 170,
          "max": 400,
          "conditions": "/RE=VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown supply current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.5,
          "max": 10,
          "conditions": "DE =0 V, /RE= VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM, A and B",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "A, B; human body model",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD contact discharge, A and B",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "A, B; contact discharge",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver propagation delay, low-to-high and high-to-low",
          "symbol": "tDPLH, tDPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "RDIFF = 54 Ω, CL1=CL2=100 pF (Fig 3, 4)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver propagation delay skew",
          "symbol": "tSKEW1",
          "kind": "timing",
          "unit": "ns",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver rise and fall time",
          "symbol": "tDR, tDF",
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          "typ": 500,
          "max": 700,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Driver enable to output high/low",
          "symbol": "tDZH, tDZL",
          "kind": "timing",
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          "min": null,
          "typ": null,
          "max": 2500,
          "conditions": "CL = 100 pF, S1 closed (Fig 5, 6)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver input low/high to disable",
          "symbol": "tDLZ, tDHZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "CL = 15 pF, S2 closed (Fig 5, 6)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver enable to output high in shutdown",
          "symbol": "tDZH(SHDN)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 4500,
          "conditions": "CL = 15 pF, S2 closed",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver enable to output low in shutdown",
          "symbol": "tDZL(SHDN)",
          "kind": "timing",
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          "min": null,
          "typ": null,
          "max": 4500,
          "conditions": "CL = 15 pF, S1 closed",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver propagation delay, low-to-high and high-to-low",
          "symbol": "tRPLH, tRPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 127,
          "max": 200,
          "conditions": "VID≥2.0 V; rise and fall time VID≤15 ns (Fig 7, 8)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Receiver propagation delay skew",
          "symbol": "tSKEW2",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 3,
          "max": 30,
          "conditions": "Fig 7, 8",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Receiver enable to output low, output high to disable",
          "symbol": "tRZL, tRLZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "CL = 100 pF, S1 closed (Fig 9, 10)",
          "source_page": 6,
          "source": "datasheet"
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