ATTINY404-SSNR

{
  "slug": "attiny404-ssnr",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Microcontrollers (MCU/MPU/SOC), SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "attiny404-ssnr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "attiny404-ssnr.kicad_sym",
    "attiny404-ssnr.kicad_mod",
    "attiny404-ssnr.glb",
    "attiny404-ssnr.step",
    "attiny404-ssnr.lbr",
    "docs/hero.png",
    "docs/attiny404-ssnr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "attiny404-ssnr-hero.glb",
    "attiny404-ssnr-hero.overlay.json",
    "attiny404-ssnr-etched.glb"
  ],
  "component": {
    "mpn": "ATTINY404-SSNR",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922963840413696",
    "parts": {
      "symbol": "attiny404-ssnr.kicad_sym",
      "footprint": "attiny404-ssnr.kicad_mod",
      "model_3d": "attiny404-ssnr-hero.glb",
      "model_3d_plain": "attiny404-ssnr-etched.glb",
      "model_3d_step": "attiny404-ssnr-etched.step",
      "model_3d_step_plain": "attiny404-ssnr.step",
      "lbr": "attiny404-ssnr.lbr"
    },
    "distributor_links": {
      "lcsc": "C1339119",
      "mouser": "556-ATTINY404-SSNR"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T09:13:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": "556-ATTINY404-SSNR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Input supply pin for the device; the datasheet gives an operating supply range of 1.8 V to 5.5 V."
      },
      {
        "number": "2",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PA4, multiplexed with AIN4, USART0 XDIR, SPI0 SS, TCA0 WO4 and LUT0-OUT functions."
      },
      {
        "number": "3",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PA5, multiplexed with AIN5, AC0 OUT, TCA0 WO5 and WO functions."
      },
      {
        "number": "4",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PA6, multiplexed with AIN6, AINN0 and SPI0 MOSI functions."
      },
      {
        "number": "5",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PA7, multiplexed with AIN7, AINP0, SPI0 MISO and LUT1-OUT functions."
      },
      {
        "number": "6",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PB3, multiplexed with USART0 RxD and TCA0 WO0 functions."
      },
      {
        "number": "7",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PB2, multiplexed with EVOUT1, USART0 TxD and TCA0 WO2 functions."
      },
      {
        "number": "8",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PB1, multiplexed with AIN10, USART0 XCK, TWI0 SDA and TCA0 WO1 functions."
      },
      {
        "number": "9",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PB0, multiplexed with AIN11, USART0 XDIR, TWI0 SCL and TCA0 WO0 functions."
      },
      {
        "number": "10",
        "name": "PA0/RESET/UPDI",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PA0, multiplexed with AIN0 and LUT0-IN0; the same pin is the RESET input and the single-pin UPDI programming and debug interface."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PA1, multiplexed with AIN1, USART0 TXD, SPI0 MOSI, TWI0 SDA and LUT0-IN1 functions."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PA2, multiplexed with EVOUT0, AIN2, USART0 RxD, SPI0 MISO, TWI0 SCL and LUT0-IN2 functions."
      },
      {
        "number": "13",
        "name": "PA3/EXTCLK",
        "type": "bidirectional",
        "description": "Bidirectional GPIO pin PA3, multiplexed with the EXTCLK external clock input, AIN3, USART0 XCK, SPI0 SCK and WO3 functions."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      }
    ],
    "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 SOIC-14 pinout (pin numbers, names and signal mapping) is taken from the 14-pin SOIC figure on p; Text extraction of Table 5-1 lost column alignment. PB3 and PB0 are both listed with WO0, and PA5 ha; Pin types for the I/O pins are set to bidirectional, since the datasheet names them as GPIO pins wit"
        ],
        "pages_sent": 115,
        "cost_usd": 0.3378,
        "at": "2026-10-19T09:13:19"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922963840413696",
        "pages": 543,
        "sha256": "b405ada92500ad9c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "attiny404-ssnr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "attiny404-ssnr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4c6d639e6d4136c834d487bfea98ccc6da7d425f721551482dc895620806fb14",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}