main
Ray Set visibility: public e64fb4d 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "attiny84a-ssf",
  "title": "ATTINY84A-SSF",
  "brief": "Microchip Tech Microcontrollers (MCU/MPU/SOC), 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",
    "attiny84a-ssf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATTINY84A-SSF",
    "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/8588943052299362304",
    "parts": {
      "symbol": "attiny84a-ssf.kicad_sym",
      "footprint": "attiny84a-ssf.kicad_mod",
      "model_3d": "attiny84a-ssf-hero.glb",
      "model_3d_plain": "attiny84a-ssf-etched.glb",
      "model_3d_step": "attiny84a-ssf-etched.step",
      "model_3d_step_plain": "attiny84a-ssf.step",
      "lbr": "attiny84a-ssf.lbr"
    },
    "distributor_links": {
      "lcsc": "C1340034"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:12:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin for the device, whose operating range is stated as 1.8 to 5.5 V in the Features list."
      },
      {
        "number": "2",
        "name": "PB0 (PCINT8/XTAL1/CLKI)",
        "type": "bidirectional",
        "description": "Port B bit 0 is a bidirectional I/O with selectable internal pull-up that also serves as XTAL1/CLKI and pin change interrupt PCINT8."
      },
      {
        "number": "3",
        "name": "PB1 (PCINT9/XTAL2)",
        "type": "bidirectional",
        "description": "Port B bit 1 is a bidirectional I/O with selectable internal pull-up that also serves as XTAL2 and pin change interrupt PCINT9."
      },
      {
        "number": "4",
        "name": "PB3 (PCINT11/RESET/dW)",
        "type": "bidirectional",
        "description": "Port B bit 3 is a bidirectional I/O that acts as the reset input (low pulse longer than the minimum in Table 20-4 generates a reset) unless the RSTDISBL fuse is programmed to '0', and also provides debugWIRE and PCINT11."
      },
      {
        "number": "5",
        "name": "PB2 (PCINT10/INT0/OC0A/CKOUT)",
        "type": "bidirectional",
        "description": "Port B bit 2 is a bidirectional I/O with selectable internal pull-up that also serves as external interrupt INT0, OC0A output, clock output CKOUT and pin change interrupt PCINT10."
      },
      {
        "number": "6",
        "name": "PA7 (PCINT7/ICP/OC0B/ADC7)",
        "type": "bidirectional",
        "description": "Port A bit 7 is an 8-bit bidirectional I/O pin with selectable internal pull-up that also serves as ADC channel 7, timer input capture ICP, OC0B output and pin change interrupt PCINT7."
      },
      {
        "number": "7",
        "name": "PA6 (PCINT6/OC1A/SDA/MOSI/DI/ADC6)",
        "type": "bidirectional",
        "description": "Port A bit 6 is a bidirectional I/O with selectable internal pull-up that also serves as ADC channel 6, OC1A output, SDA/MOSI/DI and pin change interrupt PCINT6."
      },
      {
        "number": "8",
        "name": "PA5 (ADC5/DO/MISO/OC1B/PCINT5)",
        "type": "bidirectional",
        "description": "Port A bit 5 is a bidirectional I/O with selectable internal pull-up that also serves as ADC channel 5, DO/MISO, OC1B output and pin change interrupt PCINT5."
      },
      {
        "number": "9",
        "name": "PA4 (ADC4/USCK/SCL/T1/PCINT4)",
        "type": "bidirectional",
        "description": "Port A bit 4 is a bidirectional I/O with selectable internal pull-up that also serves as ADC channel 4, USCK/SCL, timer/counter input T1 and pin change interrupt PCINT4."
      },
      {
        "number": "10",
        "name": "PA3 (ADC3/T0/PCINT3)",
        "type": "bidirectional",
        "description": "Port A bit 3 is a bidirectional I/O with selectable internal pull-up that also serves as ADC channel 3, timer/counter input T0 and pin change interrupt PCINT3."
      },
      {
        "number": "11",
        "name": "PA2 (ADC2/AIN1/PCINT2)",
        "type": "bidirectional",
        "description": "Port A bit 2 is a bidirectional I/O with selectable internal pull-up that also serves as ADC channel 2, analog comparator input AIN1 and pin change interrupt PCINT2."
      },
      {
        "number": "12",
        "name": "PA1 (ADC1/AIN0/PCINT1)",
        "type": "bidirectional",
        "description": "Port A bit 1 is a bidirectional I/O with selectable internal pull-up that also serves as ADC channel 1, analog comparator input AIN0 and pin change interrupt PCINT1."
      },
      {
        "number": "13",
        "name": "PA0 (ADC0/AREF/PCINT0)",
        "type": "bidirectional",
        "description": "Port A bit 0 is a bidirectional I/O with selectable internal pull-up that also serves as ADC channel 0, ADC voltage reference AREF and pin change interrupt PCINT0."
      },
      {
        "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 pin numbering was reconstructed from the scrambled text of Figure 1-1 (the PDIP/SOIC pin li; PB3 is listed as bidirectional because it is a Port B I/O, but it is a reset input unless the RSTDIS; The datasheet gives only the generic descriptions 'Supply voltage.' and 'Ground.' for VCC and GND. N"
        ],
        "pages_sent": 22,
        "cost_usd": 0.1124,
        "at": "2026-10-18T22:11:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943052299362304",
        "pages": 22,
        "sha256": "d586ec349d151ac1",
        "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": "attiny84a-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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "attiny84a-ssf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e5d4524f53e6243899e3ec878d31a4eb6756ef2444e1db34a7a5b1254f01b05f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-14",
      "Category": "Embedded Processors & Controllers",
      "Pins": "14"
    },
    "appearance": {
      "contacts": {
        "quote": "– H: NiPdAu lead finish – F, N, U: matte tin",
        "page": 11,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "d586ec349d151ac1d1d1f0c68b7b4bcc5921497ee026616d0edbb0323b04c51c"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d586ec349d151ac1d1d1f0c68b7b4bcc5921497ee026616d0edbb0323b04c51c",
      "rows": [
        {
          "name": "Operating voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "Operating voltage (Features list, applies to the ATtiny24A/44A/84A family)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Speed grade (max clock frequency)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 4,
          "conditions": "1.8 – 5.5 V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Speed grade (max clock frequency)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 10,
          "conditions": "2.7 – 5.5 V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Speed grade (max clock frequency)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 20,
          "conditions": "4.5 – 5.5 V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range (ATtiny84A-SSF industrial grade)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Industrial (-40°C to +125°C) grade per ordering code table for ATtiny84A-SSF (14S1 SOIC)",
          "source_page": 13,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "attiny84a-ssf"
  ],
  "discovery_pitch": "ATTINY84A-SSF (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "files": [
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    "attiny84a-ssf.step",
    "attiny84a-ssf.lbr",
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    "docs/attiny84a-ssf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "attiny84a-ssf-hero.glb",
    "attiny84a-ssf-hero.overlay.json",
    "attiny84a-ssf-etched.glb"
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  "visibility": {
    "public": true
  }
}