ATTINY404-SSF

{
  "schema_version": 1,
  "type": "component",
  "slug": "attiny404-ssf",
  "title": "ATTINY404-SSF",
  "brief": "Microchip Tech Pre-ordered MCUs, SOIC-14. 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",
    "embedded processors & controllers",
    "attiny404-ssf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATTINY404-SSF",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/61edc9a6f28fb9075ab0955acbf3be1c.pdf",
    "parts": {
      "symbol": "attiny404-ssf.kicad_sym",
      "footprint": "attiny404-ssf.kicad_mod",
      "model_3d": "attiny404-ssf-hero.glb",
      "model_3d_plain": "attiny404-ssf-etched.glb",
      "model_3d_step": "attiny404-ssf-etched.step",
      "model_3d_step_plain": "attiny404-ssf.step",
      "lbr": "attiny404-ssf.lbr"
    },
    "distributor_links": {
      "lcsc": "C1338228",
      "digikey": "ATTINY404-SSF-ND",
      "mouser": "579-ATTINY404-SSF"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T20:14:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATTINY404-SSF-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "579-ATTINY404-SSF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Input supply voltage; the ATTINY404-SSF ordering code is specified for 2.7 V to 5.5 V at up to 16 MHz, and the device is listed as operating down to 1.8 V in the general ratings."
      },
      {
        "number": "2",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Port A GPIO with analog input AIN4, USART0 XDIR, SPI0 SS, TCA0 WO4 and CCL LUT0-OUT alternate functions; pin position is selected through PORTMUX where alternate positions apply."
      },
      {
        "number": "3",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Port A GPIO with analog input AIN5, analog comparator AC0 OUT, TCA0 WO5 and TCB0 WO alternate functions."
      },
      {
        "number": "4",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Port A GPIO with analog input AIN6, analog comparator AINN0 input and SPI0 MOSI alternate function; PA6 has full asynchronous pin-change detection that can wake the device from all sleep modes."
      },
      {
        "number": "5",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Port A GPIO with analog input AIN7, analog comparator AINP0 input, SPI0 MISO and CCL LUT1-OUT alternate functions."
      },
      {
        "number": "6",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B GPIO with USART0 RxD (alternate position) and TCA0 WO0 (alternate position) functions; alternate pin positions are selected via PORTMUX."
      },
      {
        "number": "7",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B GPIO with event output EVOUT1, USART0 TxD and TCA0 WO2 alternate functions; PB2 has full asynchronous pin-change detection that can wake the device from all sleep modes."
      },
      {
        "number": "8",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B GPIO with analog input AIN10, USART0 XCK, TWI0 SDA and TCA0 WO1 alternate functions."
      },
      {
        "number": "9",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B GPIO with analog input AIN11, USART0 XDIR, TWI0 SCL and TCA0 WO0 alternate functions."
      },
      {
        "number": "10",
        "name": "PA0/RESET/UPDI",
        "type": "bidirectional",
        "description": "Multiplexed pin configured by RSTPINCFG as GPIO, UPDI or RESET; enabling UPDI with 12 V requires care because the RESET pin overshoot limit is VRSTMAX = 13 V, and it also provides AIN0 and CCL LUT0-IN0."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Port A GPIO with analog input AIN1, USART0 TxD (alternate position), SPI0 MOSI and CCL LUT0-IN1 alternate functions."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Port A GPIO with event output EVOUT0, analog input AIN2, USART0 RxD (alternate position), SPI0 MISO and CCL LUT0-IN2 alternate functions; PA2 has full asynchronous pin-change detection that can wake the device from all sleep modes."
      },
      {
        "number": "13",
        "name": "PA3/EXTCLK",
        "type": "bidirectional",
        "description": "Port A GPIO that also serves as the external clock input EXTCLK, with analog input AIN3, USART0 XCK (alternate position), SPI0 SCK and TCA0 WO3 alternate functions."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference 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 datasheet provides only one 14-pin package (14-lead SOIC150, drawing C04-065-D3X). The ordering ; Table 5-1 marks several functions as alternate pin positions (footnote 3, selected through PORTMUX).; Table 5-1 lists WO0 on both PB0 (pin 9) and PB3 (pin 6, alternate position). This is reproduced as p"
        ],
        "pages_sent": 125,
        "cost_usd": 0.3637,
        "at": "2026-10-28T20:13:44"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/61edc9a6f28fb9075ab0955acbf3be1c.pdf",
        "pages": 543,
        "sha256": "92355081a8b7ac88",
        "source_tier": "mfr"
      },
      "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-ssf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "attiny404-ssf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1642697627d7d676b0c6f7cb29a0ff40bce77fc4546a29745d0089bbbe8532d",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SSF (SOIC150, 14-Lead SOIC, drawing C04-065-D3X, package code D3X / SVQ)",
      "source_page": 524,
      "D": {
        "nom_mm": 8.65,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          null,
          null
        ]
      },
      "E": {
        "nom_mm": 6,
        "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": "attiny404-ssf.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-14",
      "Category": "Embedded Processors & Controllers",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "92355081a8b7ac88fe9b84739ae764a8ba3cc96e0509afacbd51b38ec14a936e",
      "rows": [
        {
          "name": "Supply voltage (ATtiny404-SSF ordering variant)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 521,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range (ATtiny404-SSF, F grade)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 521,
          "source": "datasheet"
        },
        {
          "name": "Max CPU speed (ATtiny404-SSF)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 521,
          "source": "datasheet"
        },
        {
          "name": "Duration of UPDI.txd=0",
          "symbol": "TUPDI",
          "kind": "timing",
          "unit": "µs",
          "min": 10,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 488,
          "source": "datasheet"
        },
        {
          "name": "Duration of Debugger.txd=0",
          "symbol": "TDeb0",
          "kind": "timing",
          "unit": "µs",
          "min": 0.2,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 488,
          "source": "datasheet"
        },
        {
          "name": "Duration of Debugger.txd=z",
          "symbol": "TDebZ",
          "kind": "timing",
          "unit": "µs",
          "min": 200,
          "typ": null,
          "max": 14000,
          "conditions": "",
          "source_page": 488,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "attiny404-ssf"
  ],
  "discovery_pitch": "ATTINY404-SSF (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "attiny404-ssf.kicad_mod",
    "attiny404-ssf.glb",
    "attiny404-ssf.step",
    "attiny404-ssf.lbr",
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    "docs/attiny404-ssf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "attiny404-ssf-hero.glb",
    "attiny404-ssf-hero.overlay.json",
    "attiny404-ssf-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}