ATA663254-GAQW

{
  "schema_version": 1,
  "type": "component",
  "slug": "ata663254-gaqw",
  "title": "ATA663254-GAQW",
  "brief": "Microchip Tech LIN Transceivers, 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": [
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    "interface ics",
    "ata663254-gaqw",
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    "extractor-text"
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  "component": {
    "mpn": "ATA663254-GAQW",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "LIN Transceivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/19377392188ba85baabbd54e8ddd11f7.pdf",
    "parts": {
      "symbol": "ata663254-gaqw.kicad_sym",
      "footprint": "ata663254-gaqw.kicad_mod",
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      "model_3d_step_plain": "ata663254-gaqw.step",
      "lbr": "ata663254-gaqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C2987164",
      "digikey": "150-ATA663254-GAQWTR-ND",
      "mouser": "579-ATA663254-GAQW"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:16:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "150-ATA663254-GAQWTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "579-ATA663254-GAQW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RXD",
        "type": "output",
        "description": "Receive data output that reports the LIN bus state to the microcontroller as a push-pull stage between VCC and GND (high = recessive, low = dominant), and switches high in Silent mode."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable input that selects Normal mode when high, Silent mode when low with TXD high, and Sleep mode when low with TXD low, with an internal pull-down resistor."
      },
      {
        "number": "3",
        "name": "NRES",
        "type": "output",
        "description": "Open-drain VCC undervoltage reset output that is low at reset and stays low for tReset = 4 ms after VCC reaches its nominal value."
      },
      {
        "number": "4",
        "name": "TXD",
        "type": "input",
        "description": "Transmit data input with internal pull-up that drives the LIN bus low when pulled to ground, has a TXD time-out of tdom > 20 ms, and acts as an output signaling the fail-safe source in Fail-Safe mode."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, fused lead frame to the die so it must be connected to a wide GND plate on the PCB for heat sinking, and tolerates a ground shift of up to 11.5% of VVS."
      },
      {
        "number": "6",
        "name": "LIN",
        "type": "bidirectional",
        "description": "LIN bus line input/output with a low-side driver, current limitation, thermal shutdown, internal pull-up and a voltage range of -27V to +40V."
      },
      {
        "number": "7",
        "name": "VS",
        "type": "power_in",
        "description": "Supply voltage pin with LIN operating voltage VVS = 5V to 28V and undervoltage detection that disables transmission below typically 4.5V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_out",
        "description": "Voltage regulator output of 5.0V (ATA663254, ±2%) for loads up to 85 mA, protected by current limitation and overtemperature shutdown."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOIC-8 package has no exposed pad, but pin 5 (GND) is fused to the lead frame and the datasheet "
        ],
        "pages_sent": 11,
        "cost_usd": 0.0915,
        "at": "2026-10-23T09:16:15"
      },
      "datasheet": {
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        "pages": 36,
        "sha256": "e6747cb824bd0c87",
        "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"
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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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          4.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-8",
      "Category": "Interface ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e6747cb824bd0c87e4fe65f2ceabf485e3079d1c19252c641a01384b191fa250",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VVS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage pulse",
          "symbol": "VVS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "Pulse Time 500 ms, Tamb = +25°C, IVCC 85 mA",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage pulse",
          "symbol": "VVS",
          "kind": "absolute_maximum",
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          "typ": null,
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          "conditions": "Pulse Time 2 min, Tamb = +25°C, IVCC 85 mA",
          "source_page": 15,
          "source": "datasheet"
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        {
          "name": "Logic pin voltage",
          "symbol": "VLogic",
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          "min": -0.3,
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          "conditions": "RXD, TXD, EN, NRES",
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          "source": "datasheet"
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        {
          "name": "Logic output DC current",
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        {
          "name": "LIN DC voltage",
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          "name": "LIN pulse voltage",
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          "max": 43.5,
          "conditions": "Pulse Time < 500 ms",
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          "name": "VCC DC voltage",
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          "conditions": "",
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          "name": "VCC DC input current",
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          "conditions": "",
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        {
          "name": "Virtual junction temperature",
          "symbol": "TvJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
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        {
          "name": "Storage temperature",
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          "unit": "°C",
          "min": -55,
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        {
          "name": "ESD HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "ANSI/ESD-STM5.1 JESD22-A114 AEC-Q100 (002)",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM VS, LIN to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -6,
          "typ": null,
          "max": 6,
          "conditions": "HBM 1.5 kΩ/100 pF, pin VS, LIN to GND",
          "source_page": 15,
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        {
          "name": "ESD IEC 61000-4-2 VS, LIN",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -6,
          "typ": null,
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          "conditions": "with external circuitry, pin VS, LIN to GND",
          "source_page": 15,
          "source": "datasheet"
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        {
          "name": "ESD CDM",
          "symbol": "",
          "kind": "absolute_maximum",
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          "typ": null,
          "max": 750,
          "conditions": "STM 5.3.1",
          "source_page": 15,
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        {
          "name": "ESD Machine Model",
          "symbol": "",
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          "unit": "V",
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          "typ": null,
          "max": 200,
          "conditions": "AEC-Q100-RevF(003)",
          "source_page": 15,
          "source": "datasheet"
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        {
          "name": "Nominal DC Voltage Range",
          "symbol": "VS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 5,
          "typ": 13.5,
          "max": 28,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Sleep Mode",
          "symbol": "IVSsleep",
          "kind": "electrical",
          "unit": "µA",
          "min": 6,
          "typ": 9,
          "max": 12,
          "conditions": "Sleep mode, VLIN > VVS - 0.5V, VVS < 14V, T = +27°C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Sleep Mode",
          "symbol": "IVSsleep",
          "kind": "electrical",
          "unit": "µA",
          "min": 3,
          "typ": 10,
          "max": 15,
          "conditions": "Sleep mode, VLIN > VVS - 0.5V, VVS < 14V",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Sleep Current, bus shorted",
          "symbol": "IVSsleep_short",
          "kind": "electrical",
          "unit": "µA",
          "min": 20,
          "typ": 50,
          "max": 100,
          "conditions": "Sleep mode, VLIN = 0V, bus shorted to GND, VVS < 14V",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Silent Mode",
          "symbol": "IVSsilent",
          "kind": "electrical",
          "unit": "µA",
          "min": 30,
          "typ": 47,
          "max": 58,
          "conditions": "Bus recessive, 5.5V < VVS < 14V, without load at VCC, T = +27°C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Silent Mode",
          "symbol": "IVSsilent",
          "kind": "electrical",
          "unit": "µA",
          "min": 30,
          "typ": 50,
          "max": 64,
          "conditions": "Bus recessive, 5.5V < VVS < 14V, without load at VCC",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Silent Mode",
          "symbol": "IVSsilent",
          "kind": "electrical",
          "unit": "µA",
          "min": 50,
          "typ": 130,
          "max": 170,
          "conditions": "Bus recessive, 2.0V < VVS < 5.5V, without load at VCC",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Silent Current, bus shorted",
          "symbol": "IVSsilent_short",
          "kind": "electrical",
          "unit": "µA",
          "min": 50,
          "typ": 80,
          "max": 120,
          "conditions": "Silent mode, 5.5V < VVS < 14V, bus shorted to GND, without load at VCC",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Normal Mode, recessive",
          "symbol": "IVSrec",
          "kind": "electrical",
          "unit": "µA",
          "min": 150,
          "typ": 230,
          "max": 300,
          "conditions": "Bus recessive, VVS < 14V, without load at VCC",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Normal Mode, dominant",
          "symbol": "IVSdom",
          "kind": "electrical",
          "unit": "µA",
          "min": 200,
          "typ": 700,
          "max": 950,
          "conditions": "Bus dominant (internal LIN pull-up resistor active), VVS < 14V, without load at VCC",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Fail-Safe Mode",
          "symbol": "IVSfail",
          "kind": "electrical",
          "unit": "µA",
          "min": 40,
          "typ": 55,
          "max": 80,
          "conditions": "Bus recessive, 5.5V < VVS < 14V, without load at VCC",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Supply Current in Fail-Safe Mode",
          "symbol": "IVSfail",
          "kind": "electrical",
          "unit": "µA",
          "min": 50,
          "typ": 130,
          "max": 170,
          "conditions": "Bus recessive, 2.0V < VVS < 5.5V, without load at VCC",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "VS Undervoltage Threshold down",
          "symbol": "VVS_th_U_down",
          "kind": "electrical",
          "unit": "V",
          "min": 3.9,
          "typ": 4.3,
          "max": 4.7,
          "conditions": "Decreasing supply voltage",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "VS Undervoltage Threshold up",
          "symbol": "VVS_th_U_up",
          "kind": "electrical",
          "unit": "V",
          "min": 4.1,
          "typ": 4.6,
          "max": 4.9,
          "conditions": "Increasing supply voltage",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "VS Undervoltage Hysteresis",
          "symbol": "VVS_hys_F_N",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": 0.25,
          "max": 0.4,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "VS Operation Threshold down",
          "symbol": "VVS_th_U_down",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": 2.05,
          "max": 2.3,
          "conditions": "Switch to unpowered mode",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "VS Operation Threshold up",
          "symbol": "VVS_th_U_up",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 2.25,
          "max": 2.4,
          "conditions": "Switch from unpowered to Fail-Safe mode",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "VS Undervoltage Hysteresis",
          "symbol": "VVS_hys_U",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": 0.2,
          "max": 0.3,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "RXD Low-Level Output",
          "symbol": "VRXDL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "Normal mode, VLIN = 0V, IRXD = 2 mA",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "TXD Low-Level Voltage Input",
          "symbol": "VTXDL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "TXD Pull-Up Resistor",
          "symbol": "RTXD",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 40,
          "typ": 70,
          "max": 100,
          "conditions": "VTXD = 0V",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "TXD High-Level Leakage Current",
          "symbol": "ITXD",
          "kind": "electrical",
          "unit": "µA",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "VTXD = VVCC",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "TXD Low-Level Output Sink Current at LIN Wake-Up",
          "symbol": "ITXD",
          "kind": "electrical",
          "unit": "mA",
          "min": 1.5,
          "typ": 2.5,
          "max": 8,
          "conditions": "Fail-Safe mode, VLIN = VVS, VTXD = 0.4V",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "EN Low-Level Voltage Input",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "EN Pull-Down Resistor",
          "symbol": "REN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 50,
          "typ": 125,
          "max": 200,
          "conditions": "VEN = VVCC",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "EN Low-Level Input Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "VEN = 0V",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "NRES Low-Level Output Voltage",
          "symbol": "VNRESL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "VVS ≥ 5.5V, INRES = 2 mA",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage Reset Time",
          "symbol": "tReset",
          "kind": "timing",
          "unit": "ms",
          "min": 2,
          "typ": 4,
          "max": 6,
          "conditions": "VVS ≥ 5.5V, CNRES = 20 pF",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Reset Debounce Time for Falling Edge",
          "symbol": "tres_f",
          "kind": "timing",
          "unit": "µs",
          "min": 0.5,
          "typ": null,
          "max": 10,
          "conditions": "VVS ≥ 5.5V, CNRES = 20 pF",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "NRES Switch Off Leakage Current",
          "symbol": "INRES_L",
          "kind": "electrical",
          "unit": "µA",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "VNRES = 5.5V",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "VCC Output Voltage (5V)",
          "symbol": "VVCCnor",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": null,
          "max": 5.1,
          "conditions": "5.5V < VVS < 18V (0 mA to 50 mA)",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VCC Output Voltage at Low VVS",
          "symbol": "VVCClow",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.1,
          "conditions": "4V < VVS < 5.5V",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Regulator Drop Voltage",
          "symbol": "VD1",
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