CS48505M

{
  "slug": "cs48505m",
  "version": "0.1.0",
  "type": "component",
  "description": "Chipanalog RS-485 / RS-422 ICs, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "cs48505m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cs48505m.kicad_sym",
    "cs48505m.kicad_mod",
    "cs48505m.glb",
    "cs48505m.step",
    "cs48505m.lbr",
    "docs/hero.png",
    "docs/cs48505m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cs48505m-hero.glb",
    "cs48505m-hero.overlay.json"
  ],
  "component": {
    "mpn": "CS48505M",
    "manufacturer": "Chipanalog",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603003926237638656",
    "parts": {
      "symbol": "cs48505m.kicad_sym",
      "footprint": "cs48505m.kicad_mod",
      "model_3d": "cs48505m-hero.glb",
      "model_3d_plain": "cs48505m.glb",
      "model_3d_step": "cs48505m-etched.step",
      "model_3d_step_plain": "cs48505m.step",
      "lbr": "cs48505m.lbr"
    },
    "distributor_links": {
      "lcsc": "C7422537"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T00:40:47Z",
      "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 data output: RO goes high when VID = VA - VB exceeds VTH+ and low when VID falls below VTH-, and it is high-impedance when REB is high or open."
      },
      {
        "number": "2",
        "name": "REB",
        "type": "input",
        "description": "Receiver enable, active low with an internal pull-up: the receiver is enabled when REB is low and disabled (RO high-impedance) when REB is high or open."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver enable, active high with an internal pull-down: A and B are high-impedance when DE is low, and the driver is disabled when DE is open."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver data input with an internal pull-up to VCC: when the driver is enabled, DI high drives A high and B low, DI low reverses the outputs, and an open DI drives A high and B low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all voltages on the device."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Bus input/output port (non-inverting RS-485 line); absolute maximum bus voltage is -8 V to 13 V and recommended bus input voltage is -7 V to 12 V, both referenced to GND."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Bus input/output port (inverting RS-485 line); absolute maximum bus voltage is -8 V to 13 V and recommended bus input voltage is -7 V to 12 V, both referenced to GND."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 3.0 V to 5.5 V referenced to GND (absolute maximum 7 V), with a 100 nF to 220 nF decoupling capacitor recommended as close to the pin as possible."
      }
    ],
    "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": [],
        "pages_sent": 22,
        "cost_usd": 0.0663,
        "at": "2026-10-10T00:38:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603003926237638656",
        "pages": 22,
        "sha256": "9093c3d6379b67e0",
        "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": "cs48505m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cs48505m-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8d9e564c3d9ee77808ee1169427ce63fb5f8490789275068401b71ca25e9e861",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}