WS3079

{
  "slug": "ws3079",
  "version": "0.1.0",
  "type": "component",
  "description": "GEC RS-485 / RS-422 ICs, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "ws3079",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ws3079.kicad_sym",
    "ws3079.kicad_mod",
    "ws3079.glb",
    "ws3079.step",
    "ws3079.lbr",
    "docs/hero.png",
    "docs/ws3079-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ws3079-hero.glb",
    "ws3079-hero.overlay.json",
    "ws3079-etched.glb"
  ],
  "component": {
    "mpn": "WS3079",
    "manufacturer": "GEC",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835216647708672",
    "parts": {
      "symbol": "ws3079.kicad_sym",
      "footprint": "ws3079.kicad_mod",
      "model_3d": "ws3079-hero.glb",
      "model_3d_plain": "ws3079-etched.glb",
      "model_3d_step": "ws3079-etched.step",
      "model_3d_step_plain": "ws3079.step",
      "lbr": "ws3079.lbr"
    },
    "distributor_links": {
      "lcsc": "C2691440"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T18:19:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "H/F",
        "type": "input",
        "description": "Half/full-duplex select: tie H/F to VCC for half-duplex mode; tie to GND or leave open for full-duplex mode."
      },
      {
        "number": "2",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: with the receiver enabled, RO goes high when V(A)-V(B) > -50 mV and low when V(A)-V(B) < -200 mV, and the datasheet states it is high for open or shorted inputs."
      },
      {
        "number": "3",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active low: RE low enables RO, and RE high disables the receiver; RE high with DE low puts the whole chip into shutdown."
      },
      {
        "number": "4",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: DE high enables the driver, and DE low disables it and puts the driver outputs in high-impedance."
      },
      {
        "number": "5",
        "name": "DI",
        "type": "input",
        "description": "Driver input: DI low forces the non-inverting output low and the inverting output high, and DI high forces the non-inverting output high and the inverting output low."
      },
      {
        "number": "6",
        "name": "SRL",
        "type": "input",
        "description": "Slew-rate limit select: tie to GND for 16 Mbps, tie to VCC for 500 Kbps, and leave floating for 250 Kbps."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "TXP",
        "type": "input",
        "description": "Driver phase control: tie to GND or leave open for normal driver output polarity, and tie to VCC to reverse the driver output phase."
      },
      {
        "number": "9",
        "name": "Y",
        "type": "bidirectional",
        "description": "Driver non-inverting output, which is also the receiver non-inverting input in half-duplex mode."
      },
      {
        "number": "10",
        "name": "Z",
        "type": "bidirectional",
        "description": "Driver inverting output, which is also the receiver inverting input in half-duplex mode."
      },
      {
        "number": "11",
        "name": "B",
        "type": "input",
        "description": "Receiver inverting input presenting a 1/8 unit load; in full-duplex mode it is not connected to the receiver."
      },
      {
        "number": "12",
        "name": "A",
        "type": "input",
        "description": "Receiver non-inverting input presenting a 1/8 unit load; in full-duplex mode it is not connected to the receiver."
      },
      {
        "number": "13",
        "name": "RXP",
        "type": "input",
        "description": "Receiver phase control: tie to GND or leave open for normal receiver input polarity, and tie to VCC to reverse the receiver input phase."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply (recommended 3 V to 5.25 V per Table 6); bypass VCC to GND with a 0.1 µF capacitor."
      }
    ],
    "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: Table 3 prints the full-duplex and half-duplex columns with the pin numbers offset (e.g. '9 - Y' and; The 3 V to 5.25 V supply range is quoted from Table 6 (recommended operating voltage), not from a pi; Only the SOP14 package is covered by the pinout table and packaging table in this datasheet; the pin"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0631,
        "at": "2026-10-20T18:17:39"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835216647708672",
        "pages": 13,
        "sha256": "76a7848bfb6b0627",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ws3079.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ws3079-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ab27682be6008d886f31e9abf923bb2f6e9639fdedb8d62d2675a50cd9da40a5",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}