ATECC108A-SSHDA-T

{
  "slug": "atecc108a-sshda-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Security Verification / Encryption ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "atecc108a-sshda-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "atecc108a-sshda-t.kicad_sym",
    "atecc108a-sshda-t.kicad_mod",
    "atecc108a-sshda-t.glb",
    "atecc108a-sshda-t.step",
    "atecc108a-sshda-t.lbr",
    "docs/hero.png",
    "docs/atecc108a-sshda-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "atecc108a-sshda-t-hero.glb",
    "atecc108a-sshda-t-hero.overlay.json",
    "atecc108a-sshda-t-etched.glb"
  ],
  "component": {
    "mpn": "ATECC108A-SSHDA-T",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Security Verification / Encryption ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5780ef15fafdd2be5da69ed3db6485f4.pdf",
    "parts": {
      "symbol": "atecc108a-sshda-t.kicad_sym",
      "footprint": "atecc108a-sshda-t.kicad_mod",
      "model_3d": "atecc108a-sshda-t-hero.glb",
      "model_3d_plain": "atecc108a-sshda-t-etched.glb",
      "model_3d_step": "atecc108a-sshda-t-etched.step",
      "model_3d_step_plain": "atecc108a-sshda-t.step",
      "lbr": "atecc108a-sshda-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2650428",
      "digikey": "ATECC108A-SSHDA-TTR-ND",
      "mouser": "556-ATECC108A-SSHDAT"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T23:43:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATECC108A-SSHDA-TTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATECC108A-SSHDAT",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin with no internal function stated in the datasheet."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin with no internal function stated in the datasheet."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin with no internal function stated in the datasheet."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data pin for the I2C interface (up to 1MHz), with a pull-up resistor to VCC (RL 1.2k in the AC measurement conditions)."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input for the I2C interface, with a clock frequency of up to 1MHz."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin with no internal function stated in the datasheet."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input, 2.0V to 5.5V operating range."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet text gives no explicit electrical type for SDA (treated as bidirectional I2C data) or ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 14,
        "cost_usd": 0.3621,
        "at": "2026-10-30T23:43:07"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5780ef15fafdd2be5da69ed3db6485f4.pdf",
        "pages": 14,
        "sha256": "b6c9ad37653156e2",
        "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": "atecc108a-sshda-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atecc108a-sshda-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7dc97ce32310be6477d6e9dcb42c1f222f1c37bd7897223a74007fafc8f0f019",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "8S1",
      "source_page": 10,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          null,
          null
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.75,
        "range_mm": [
          null,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "atecc108a-sshda-t.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}