ATTINY817-MN

{
  "schema_version": 1,
  "type": "component",
  "slug": "attiny817-mn",
  "title": "ATTINY817-MN",
  "brief": "Microchip Tech Pre-ordered MCUs, QFN-24-EP(4x4). 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",
    "attiny817-mn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATTINY817-MN",
    "manufacturer": "Microchip Tech",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e4808216a0499d6169ddc3f7d1962c0e.pdf",
    "parts": {
      "symbol": "attiny817-mn.kicad_sym",
      "footprint": "attiny817-mn.kicad_mod",
      "model_3d": "attiny817-mn-hero.glb",
      "model_3d_plain": "attiny817-mn-etched.glb",
      "model_3d_step": "attiny817-mn-etched.step",
      "model_3d_step_plain": "attiny817-mn.step",
      "lbr": "attiny817-mn.lbr"
    },
    "distributor_links": {
      "lcsc": "C1340426",
      "digikey": "ATTINY817-MN-ND",
      "mouser": "556-ATTINY817-MN"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:43:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATTINY817-MN-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATTINY817-MN",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA2",
        "type": "bidirectional",
        "description": "PORTA pin 2 general-purpose I/O with EVOUT0, AIN2, LUT0-IN2 and alternate RxD/MISO/SCL functions."
      },
      {
        "number": "2",
        "name": "PA3",
        "type": "bidirectional",
        "description": "PORTA pin 3 general-purpose I/O with EXTCLK external clock input, AIN3, WO3 and alternate XCK/SCK functions."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply, operating range 1.8 V to 5.5 V."
      },
      {
        "number": "5",
        "name": "PA4",
        "type": "bidirectional",
        "description": "PORTA pin 4 general-purpose I/O with AIN4, PTC X0/Y0, SS, WO4, WOA, LUT0-OUT and alternate XDIR."
      },
      {
        "number": "6",
        "name": "PA5",
        "type": "bidirectional",
        "description": "PORTA pin 5 general-purpose I/O with AIN5, PTC X1/Y1, OUT, WO5, WO and WOB."
      },
      {
        "number": "7",
        "name": "PA6",
        "type": "bidirectional",
        "description": "PORTA pin 6 general-purpose I/O with AIN6, PTC X2/Y2, AINN0 and OUT (DAC0 OUT is on PA6)."
      },
      {
        "number": "8",
        "name": "PA7",
        "type": "bidirectional",
        "description": "PORTA pin 7 general-purpose I/O with AIN7, PTC X3/Y3, AINP0 and LUT1-OUT."
      },
      {
        "number": "9",
        "name": "PB7",
        "type": "bidirectional",
        "description": "PORTB pin 7 general-purpose I/O with no other function listed in the multiplexing table."
      },
      {
        "number": "10",
        "name": "PB6",
        "type": "bidirectional",
        "description": "PORTB pin 6 general-purpose I/O with no other function listed in the multiplexing table."
      },
      {
        "number": "11",
        "name": "PB5",
        "type": "bidirectional",
        "description": "PORTB pin 5 general-purpose I/O with CLKOUT, AIN8, AINP1 and alternate WO2."
      },
      {
        "number": "12",
        "name": "PB4",
        "type": "bidirectional",
        "description": "PORTB pin 4 general-purpose I/O with AIN9, AINN1 and alternate WO1/LUT0-OUT."
      },
      {
        "number": "13",
        "name": "PB3",
        "type": "bidirectional",
        "description": "PORTB pin 3 general-purpose I/O with TOSC1 crystal oscillator pin, RxD and alternate WO0."
      },
      {
        "number": "14",
        "name": "PB2",
        "type": "bidirectional",
        "description": "PORTB pin 2 general-purpose I/O with TOSC2 crystal oscillator pin, EVOUT1, TxD and WO2."
      },
      {
        "number": "15",
        "name": "PB1",
        "type": "bidirectional",
        "description": "PORTB pin 1 general-purpose I/O with AIN10, PTC X4/Y4, XCK, SDA and WO1."
      },
      {
        "number": "16",
        "name": "PB0",
        "type": "bidirectional",
        "description": "PORTB pin 0 general-purpose I/O with AIN11, PTC X5/Y5, XDIR, SCL and WO0."
      },
      {
        "number": "17",
        "name": "PC0",
        "type": "bidirectional",
        "description": "PORTC pin 0 general-purpose I/O with WOC and alternate SCK/WO."
      },
      {
        "number": "18",
        "name": "PC1",
        "type": "bidirectional",
        "description": "PORTC pin 1 general-purpose I/O with WOD and alternate MISO/LUT1-OUT."
      },
      {
        "number": "19",
        "name": "PC2",
        "type": "bidirectional",
        "description": "PORTC pin 2 general-purpose I/O with EVOUT2 and alternate MOSI."
      },
      {
        "number": "20",
        "name": "PC3",
        "type": "bidirectional",
        "description": "PORTC pin 3 general-purpose I/O with LUT1-IN0 and alternate SS/WO3."
      },
      {
        "number": "21",
        "name": "PC4",
        "type": "bidirectional",
        "description": "PORTC pin 4 general-purpose I/O with LUT1-IN1 and alternate WO4."
      },
      {
        "number": "22",
        "name": "PC5",
        "type": "bidirectional",
        "description": "PORTC pin 5 general-purpose I/O with LUT1-IN2 and alternate WO5."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "PORTA pin 0, configurable by fuse as RESET, UPDI programming/debug or GPIO, with AIN0 and LUT0-IN0."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "PORTA pin 1 general-purpose I/O with AIN1, LUT0-IN1 and alternate TxD/MOSI/SDA."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet recommends soldering the large center exposed pad to ground for mechanical stability, ; The multiplexing table lists 'OUT' for PA5 and PA6 without naming the peripheral. Page 456 says DAC0; Pin numbers come from the 24-pin VQFN column of Table 5-1 (page 19). The pinout drawing on page 18 i"
        ],
        "pages_sent": 120,
        "cost_usd": 0.7443,
        "at": "2026-10-27T00:42:52"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e4808216a0499d6169ddc3f7d1962c0e.pdf",
        "pages": 596,
        "sha256": "c2392fe1c4c9666a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "attiny817-mn.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "attiny817-mn-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b4a2d03230f651e35c0393e6f8a664862a4c7be394a5566ee7516915a9bd2785",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "QFN-24-EP(4x4)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "25"
    },
    "appearance": {
      "contacts": {
        "quote": "including indium tin oxide (ITO) sensor grids. The PTC requires one pin per X-line and one pin per Y-line. In the Self Capacitance mode, the PTC requires only one pin (Y-line) for each touch sensor.",
        "page": 461,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "c2392fe1c4c9666ad0541f054aa49f18994ca36cc1f13bed81d036b2eaa7f8af"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c2392fe1c4c9666ad0541f054aa49f18994ca36cc1f13bed81d036b2eaa7f8af",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "ATtiny817-MN ordering table: Supply Voltage 1.8V-5.5V",
          "source_page": 560,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "ATtiny817-MN ordering table: Temperature Range -40°C to +105°C",
          "source_page": 560,
          "source": "datasheet"
        },
        {
          "name": "Max. CPU Speed",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "ATtiny817-MN ordering table: Max. CPU Speed 20 MHz",
          "source_page": 560,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "attiny817-mn"
  ],
  "discovery_pitch": "ATTINY817-MN (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",
    "attiny817-mn.kicad_sym",
    "attiny817-mn.kicad_mod",
    "attiny817-mn.glb",
    "attiny817-mn.step",
    "attiny817-mn.lbr",
    "docs/hero.png",
    "docs/attiny817-mn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "attiny817-mn-hero.glb",
    "attiny817-mn-hero.overlay.json",
    "attiny817-mn-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}