ATSHA204A-SSHDA-T

{
  "schema_version": 1,
  "type": "component",
  "slug": "atsha204a-sshda-t",
  "title": "ATSHA204A-SSHDA-T",
  "brief": "Microchip Security Verification / Encryption ICs, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "atsha204a-sshda-t"
  ],
  "component": {
    "mpn": "ATSHA204A-SSHDA-T",
    "manufacturer": "Microchip",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "Security Verification / Encryption ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f1303d4d62a22a7a31588fc81ea1f2cc.pdf",
    "parts": {
      "symbol": "atsha204a-sshda-t.kicad_sym",
      "footprint": "atsha204a-sshda-t.kicad_mod",
      "model_3d": "atsha204a-sshda-t-etched.glb",
      "model_3d_plain": "atsha204a-sshda-t.glb",
      "model_3d_step": "atsha204a-sshda-t-etched.step",
      "model_3d_step_plain": "atsha204a-sshda-t.step",
      "lbr": "atsha204a-sshda-t.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connect. Leave floating or tie to ground per board convention."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connect. Leave floating or tie to ground per board convention."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connect. Leave floating or tie to ground per board convention."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial Data. Open-drain I2C data line (up to 1 MHz). Requires external pull-up to VCC. On the ATSHA204A-SSHDA variant this device is configured for the I2C interface; on the SWI variant the same pad functions as the Single-Wire Interface data/signal line."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial Clock Input for the I2C interface. Requires external pull-up to VCC. Not used on the Single-Wire Interface variant."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connect. Leave floating or tie to ground per board convention."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input, 2.0V to 5.5V operating range. Bypass with a local decoupling capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f1303d4d62a22a7a31588fc81ea1f2cc.pdf",
        "pages": 93,
        "sha256": "1eec12abfe0ae347",
        "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": "atsha204a-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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atsha204a-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": "cd300f354ec20d095a1c00a0406c49177859f18514516f14cef34fa74912169e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip",
      "Package": "SOIC-8",
      "Category": "Interface",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "atsha204a-sshda-t"
  ],
  "discovery_pitch": "ATSHA204A-SSHDA-T (Microchip) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "atsha204a-sshda-t.kicad_sym",
    "atsha204a-sshda-t.kicad_mod",
    "atsha204a-sshda-t.glb",
    "atsha204a-sshda-t.step",
    "atsha204a-sshda-t-etched.step",
    "atsha204a-sshda-t.lbr",
    "docs/hero.png",
    "docs/atsha204a-sshda-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:19:07.457Z"
}