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Ray Set visibility: public 3c6d4dc 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "atecc608a-sshda-b",
  "title": "ATECC608A-SSHDA-B",
  "brief": "Microchip Tech Interface - Specialized, 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",
    "atecc608a-sshda-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATECC608A-SSHDA-B",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883810960216064",
    "parts": {
      "symbol": "atecc608a-sshda-b.kicad_sym",
      "footprint": "atecc608a-sshda-b.kicad_mod",
      "model_3d": "atecc608a-sshda-b-hero.glb",
      "model_3d_plain": "atecc608a-sshda-b-etched.glb",
      "model_3d_step": "atecc608a-sshda-b-etched.step",
      "model_3d_step_plain": "atecc608a-sshda-b.step",
      "lbr": "atecc608a-sshda-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C376619",
      "digikey": "ATECC608A-SSHDA-B-ND",
      "mouser": "556-ATECC608ASSHDAB"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:33:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATECC608A-SSHDA-B-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATECC608ASSHDAB",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connect pin; the datasheet lists no function for it."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connect pin; the datasheet lists no function for it."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connect pin; the datasheet lists no function for it."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data line of the 1 MHz standard I2C interface, which is used to access the device."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input for the 1 MHz standard I2C interface."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connect pin; the datasheet lists no function for it."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin; the device supports a 2.0 V to 5.5 V supply voltage with 1.8 V to 5.5 V IO levels."
      }
    ],
    "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: The MPN ATECC608A-SSHDA-B is the 8-lead SOIC (SSH package) with I2C interface (DA), so the pinout ab; Pin 7 is NC in the printed pinout. The Single-Wire Interface variant (CZ) uses the remaining pin as ; Pin descriptions are brief because the datasheet is a summary (DS40001977B) and the full pin-level e"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0426,
        "at": "2026-10-19T07:33:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883810960216064",
        "pages": 28,
        "sha256": "93f43a50efe31a35",
        "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": "atecc608a-sshda-b.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atecc608a-sshda-b-etched.step",
        "role": "eda",
        "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": "12cd21bb1ba20c8d9e3026216391f2efb95f892447bb6a5ccf953bb90e3fe214",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-8",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "93f43a50efe31a3543e3b08e793f603dc007e32536f8ac3205873757aaf57218",
      "rows": [
        {
          "name": "Operating Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Operating Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DC Output Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Printed as -0.5 V to (VCC + 0.5 V); upper limit is VCC-referenced, not a fixed number",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD Human Body Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "Printed as >4kV (HBM); lower bound only",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD Charge Device Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "Printed as >1kV (CDM); lower bound only",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Write Endurance (each byte)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Write Cycles",
          "min": 400000,
          "typ": null,
          "max": null,
          "conditions": "At +85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Data Retention",
          "symbol": "",
          "kind": "electrical",
          "unit": "Years",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "At +55°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Data Retention",
          "symbol": "",
          "kind": "electrical",
          "unit": "Years",
          "min": 30,
          "typ": 50,
          "max": null,
          "conditions": "At +35°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power-Up Delay",
          "symbol": "tPU",
          "kind": "timing",
          "unit": "µs",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "Minimum time between VCC > VCC min prior to start of tWLO.",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Wake Low Duration",
          "symbol": "tWLO",
          "kind": "timing",
          "unit": "µs",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Wake High Delay to Data Comm",
          "symbol": "tWHI",
          "kind": "timing",
          "unit": "µs",
          "min": 1500,
          "typ": null,
          "max": null,
          "conditions": "SDA should be stable high for this entire duration unless polling is implemented. SelfTest is not enabled at power-up.",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Wake High Delay when SelfTest is Enabled",
          "symbol": "tWHIST",
          "kind": "timing",
          "unit": "ms",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "SDA should be stable high for this entire duration unless polling is implemented.",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High Side Glitch Filter at Active",
          "symbol": "tHIGNORE_A",
          "kind": "timing",
          "unit": "ns",
          "min": 45,
          "typ": null,
          "max": null,
          "conditions": "Pulses shorter than this in width will be ignored regardless of state when active. Characterized, not production tested.",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low Side Glitch Filter at Active",
          "symbol": "tLIGNORE_A",
          "kind": "timing",
          "unit": "ns",
          "min": 45,
          "typ": null,
          "max": null,
          "conditions": "Pulses shorter than this in width will be ignored regardless of state when active. Characterized, not production tested.",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low Side Glitch Filter at Sleep",
          "symbol": "tLIGNORE_S",
          "kind": "timing",
          "unit": "µs",
          "min": 15,
          "typ": null,
          "max": null,
          "conditions": "Pulses shorter than this in width will be ignored when in Sleep mode. Characterized, not production tested.",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Watchdog Timeout",
          "symbol": "tWATCHDOG",
          "kind": "timing",
          "unit": "s",
          "min": 0.7,
          "typ": 1.3,
          "max": 1.7,
          "conditions": "Time from wake until device is forced into Sleep mode if Config.ChipMode.<2> is 0.",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Watchdog Timeout",
          "symbol": "tWATCHDOG",
          "kind": "timing",
          "unit": "s",
          "min": 7.6,
          "typ": 13,
          "max": 17,
          "conditions": "Watchdog time: Config.ChipMode.<2> is 0 (as printed; see review_required).",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Start Pulse Duration (to Crypto Authentication)",
          "symbol": "tSTART",
          "kind": "timing",
          "unit": "µs",
          "min": 4.1,
          "typ": 4.34,
          "max": 4.56,
          "conditions": "SWI table: unless otherwise specified TA -40 to +85°C, VCC +2.0 to +5.5V, CL 100 pF",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Start Pulse Duration (from Crypto Authentication)",
          "symbol": "tSTART",
          "kind": "timing",
          "unit": "µs",
          "min": 4.6,
          "typ": 6,
          "max": 8.6,
          "conditions": "SWI table: unless otherwise specified TA -40 to +85°C, VCC +2.0 to +5.5V, CL 100 pF",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Zero Transmission High Pulse (to Crypto Authentication)",
          "symbol": "tZHI",
          "kind": "timing",
          "unit": "µs",
          "min": 4.1,
          "typ": 4.34,
          "max": 4.56,
          "conditions": "SWI table: unless otherwise specified TA -40 to +85°C, VCC +2.0 to +5.5V, CL 100 pF",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Zero Transmission High Pulse (from Crypto Authentication)",
          "symbol": "tZHI",
          "kind": "timing",
          "unit": "µs",
          "min": 4.6,
          "typ": 6,
          "max": 8.6,
          "conditions": "SWI table: unless otherwise specified TA -40 to +85°C, VCC +2.0 to +5.5V, CL 100 pF",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Zero Transmission Low Pulse (to Crypto Authentication)",
          "symbol": "tZLO",
          "kind": "timing",
          "unit": "µs",
          "min": 4.1,
          "typ": 4.34,
          "max": 4.56,
          "conditions": "SWI table: unless otherwise specified TA -40 to +85°C, VCC +2.0 to +5.5V, CL 100 pF",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Zero Transmission Low Pulse (from Crypto Authentication)",
          "symbol": "tZLO",
          "kind": "timing",
          "unit": "µs",
          "min": 4.6,
          "typ": 6,
          "max": 8.6,
          "conditions": "SWI table: unless otherwise specified TA -40 to +85°C, VCC +2.0 to +5.5V, CL 100 pF",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Bit Time (to Crypto Authentication)",
          "symbol": "tBIT",
          "kind": "timing",
          "unit": "µs",
          "min": 37,
          "typ": 39,
          "max": null,
          "conditions": "If the bit time exceeds tTIMEOUT then ATECC608A may enter the Sleep mode.",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Bit Time (from Crypto Authentication)",
          "symbol": "tBIT",
          "kind": "timing",
          "unit": "µs",
          "min": 41,
          "typ": 54,
          "max": 78,
          "conditions": "SWI table: unless otherwise specified TA -40 to +85°C, VCC +2.0 to +5.5V, CL 100 pF",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Turn Around Delay (from Crypto Authentication)",
          "symbol": "tTURNAROUND",
          "kind": "timing",
          "unit": "µs",
          "min": 64,
          "typ": 96,
          "max": 131,
          "conditions": "ATECC608A will initiate the first low going transition after this time interval following the initial falling edge of the start pulse of the last bit of the transmit flag.",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Turn Around Delay (to Crypto Authentication)",
          "symbol": "tTURNAROUND",
          "kind": "timing",
          "unit": "µs",
          "min": 93,
          "typ": null,
          "max": null,
          "conditions": "After ATECC608A transmits the last bit of a group, system must wait this interval before sending the first bit of a flag.",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "IO Timeout (SWI)",
          "symbol": "tTIMEOUT",
          "kind": "timing",
          "unit": "ms",
          "min": 45,
          "typ": 65,
          "max": 85,
          "conditions": "ATECC608A may transition to Sleep mode if the bus is inactive longer than this duration.",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "SCK Clock Frequency",
          "symbol": "fSCK",
          "kind": "timing",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 1,
          "conditions": "I2C; TA -40 to +85°C, VCC +2.0 to +5.5V, CL 1 TTL gate and 100 pF",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "SCK High Time",
          "symbol": "tHIGH",
          "kind": "timing",
          "unit": "ns",
          "min": 400,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "SCK Low Time",
          "symbol": "tLOW",
          "kind": "timing",
          "unit": "ns",
          "min": 400,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Start Setup Time",
          "symbol": "tSU.STA",
          "kind": "timing",
          "unit": "ns",
          "min": 250,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Start Hold Time",
          "symbol": "tHD.STA",
          "kind": "timing",
          "unit": "ns",
          "min": 250,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Stop Setup Time",
          "symbol": "tSU.STO",
          "kind": "timing",
          "unit": "ns",
          "min": 250,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Data In Setup Time",
          "symbol": "tSU.DAT",
          "kind": "timing",
          "unit": "ns",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Data In Hold Time",
          "symbol": "tHD.DAT",
          "kind": "timing",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Input Rise Time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Printed note 1: values based on characterization and not tested.",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Input Fall Time",
          "symbol": "tF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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          "unit": "ns",
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          "typ": null,
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          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 3,
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          "name": "Active Power Supply Current during ECC command",
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          "name": "Sleep Current",
          "symbol": "ISLEEP",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 30,
          "max": 150,
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          "source_page": 10,
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          "name": "Sleep Current (full VCC and temperature range)",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
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          "source_page": 10,
          "source": "datasheet"
        },
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          "name": "Output Low Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "When device is in active mode, VCC = 2.5 to 5.5V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Output Low Current",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
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          "min": -0.5,
          "typ": null,
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          "min": 1.5,
          "typ": null,
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          "typ": null,
          "max": 85,
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          "name": "Power Supply Voltage",
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          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 10,
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          "name": "Theta JA (SOIC, SSH package)",
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          "unit": "°C/W",
          "min": null,
          "typ": 166,
          "max": null,
          "conditions": "SOIC (SSH)",
          "source_page": 11,
          "source": "datasheet"
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