ADM3074EYRZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "adm3074eyrz",
  "title": "ADM3074EYRZ",
  "brief": "Analog Devices RS-485/RS-422 ICs, SOIC-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": [
    "component",
    "communication interface chip-uart-485-232",
    "adm3074eyrz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADM3074EYRZ",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "RS-485/RS-422 ICs",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADM3070E_3071E_3072E_3073E_3074E_3075E_3076E_3077E_3078E.pdf",
    "parts": {
      "symbol": "adm3074eyrz.kicad_sym",
      "footprint": "adm3074eyrz.kicad_mod",
      "model_3d": "adm3074eyrz-hero.glb",
      "model_3d_plain": "adm3074eyrz-etched.glb",
      "model_3d_step": "adm3074eyrz-etched.step",
      "model_3d_step_plain": "adm3074eyrz.step",
      "lbr": "adm3074eyrz.lbr"
    },
    "distributor_links": {
      "lcsc": "C658174",
      "digikey": "ADM3074EYRZ-ND",
      "mouser": "584-ADM3074EYRZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T15:46:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ADM3074EYRZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADM3074EYRZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.3 V ±10%; bypass VCC to GND with a 0.1 µF capacitor."
      },
      {
        "number": "2",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: when enabled, RO is high if (A − B) ≥ −50 mV and low if (A − B) ≤ −200 mV."
      },
      {
        "number": "3",
        "name": "DI",
        "type": "input",
        "description": "Driver input: with a full-duplex part and the driver enabled, a logic low forces Y low and Z high, and a logic high forces Y high and Z low."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "Y",
        "type": "output",
        "description": "Noninverting driver output."
      },
      {
        "number": "6",
        "name": "Z",
        "type": "output",
        "description": "Inverting driver output."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting receiver input B (RS-485 bus pin, ±15 kV ESD protected)."
      },
      {
        "number": "8",
        "name": "A",
        "type": "bidirectional",
        "description": "Noninverting receiver input A (RS-485 bus pin, ±15 kV ESD protected)."
      }
    ],
    "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": 7,
        "cost_usd": 0.0111,
        "at": "2026-10-28T15:45:54"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADM3070E_3071E_3072E_3073E_3074E_3075E_3076E_3077E_3078E.pdf",
        "pages": 20,
        "sha256": "f6e1b96c4dce3dff",
        "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": "adm3074eyrz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adm3074eyrz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "564de7a943315554f7b6f8c67764d8ec784ff33639f1b0d22175c8f1aaac86c1",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-8",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f6e1b96c4dce3dffeedb526bdced7d132cc4bb421fdc6d2eb2bff4c606019fca",
      "rows": [
        {
          "name": "VCC to GND",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Digital Input/Output Voltage (DE, RE, DI)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Receiver Output Voltage (RO)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Printed as -0.3 V to (VCC + 0.3 V)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Driver Output (A, B, Y, Z)/Receiver Input (A, B) Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8,
          "typ": null,
          "max": 13,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Driver Output Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -250,
          "typ": null,
          "max": 250,
          "conditions": "Printed as ±250 mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range ADM307xEY",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "ADM307xEY",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Thermal Impedance θJA",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 158,
          "max": null,
          "conditions": "8-Lead SOIC_N",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature Soldering",
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          "kind": "absolute_maximum",
          "unit": "°C",
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          "typ": null,
          "max": 300,
          "conditions": "10 sec",
          "source_page": 8,
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        },
        {
          "name": "Lead Temperature Vapor Phase",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 215,
          "conditions": "10 sec",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature Infrared",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 220,
          "conditions": "15 sec",
          "source_page": 8,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "ADM3074EYRZ (Analog Devices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}