main
Ray Publish 0.1.1 3fc664a
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{
  "schema_version": 1,
  "type": "component",
  "slug": "attiny85-20sf",
  "title": "ATTINY85-20SF",
  "brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SOIC-8-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "attiny85-20sf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATTINY85-20SF",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8-208mil",
    "pin_count": 8,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f17b075cf9d7f26a9220e79357572169.pdf",
    "parts": {
      "symbol": "attiny85-20sf.kicad_sym",
      "footprint": "attiny85-20sf.kicad_mod",
      "model_3d": "attiny85-20sf-hero.glb",
      "model_3d_plain": "attiny85-20sf.glb",
      "model_3d_step": "attiny85-20sf-etched.step",
      "model_3d_step_plain": "attiny85-20sf.step",
      "lbr": "attiny85-20sf.lbr"
    },
    "distributor_links": {
      "lcsc": "C615549",
      "digikey": "ATTINY85-20SF-ND",
      "mouser": "556-ATTINY85-20SF"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T02:15:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATTINY85-20SF-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATTINY85-20SF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PB5/RESET",
        "type": "bidirectional",
        "description": "Port B is a 6-bit bi-directional I/O port with internal pull-up resistors, and this pin is tri-stated when a reset condition becomes active; a low level on the RESET function for longer than the minimum pulse length generates a reset, and the reset pin can also be used as a (weak) I/O pin."
      },
      {
        "number": "2",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B is a 6-bit bi-directional I/O port with internal pull-up resistors (selected for each bit), and its output buffers have symmetrical drive characteristics with both high sink and source capability."
      },
      {
        "number": "3",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B is a 6-bit bi-directional I/O port with internal pull-up resistors (selected for each bit), and its output buffers have symmetrical drive characteristics with both high sink and source capability."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "PB0 (MOSI/DI/SDA/AIN0/OC0A/OC1A/AREF/PCINT0)",
        "type": "bidirectional",
        "description": "Port B is a 6-bit bi-directional I/O port with internal pull-up resistors (selected for each bit), and its output buffers have symmetrical drive characteristics with both high sink and source capability."
      },
      {
        "number": "6",
        "name": "PB1 (MISO/DO/AIN1/OC0B/OC1A/PCINT1)",
        "type": "bidirectional",
        "description": "Port B is a 6-bit bi-directional I/O port with internal pull-up resistors (selected for each bit), and its output buffers have symmetrical drive characteristics with both high sink and source capability."
      },
      {
        "number": "7",
        "name": "PB2 (SCK/USCK/SCL/ADC1/T0/INT0/PCINT2)",
        "type": "bidirectional",
        "description": "Port B is a 6-bit bi-directional I/O port with internal pull-up resistors (selected for each bit), and its output buffers have symmetrical drive characteristics with both high sink and source capability."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage."
      }
    ],
    "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 exact ordering code ATTINY85-20SF is not listed in the datasheet ordering information (section 2; The page 2 pin figure text is extracted without explicit numbers next to each label. Pin numbers wer; No headline electrical specs (supply range, current, temperature) were requested in the output schem"
        ],
        "pages_sent": 53,
        "cost_usd": 0.1901,
        "at": "2026-11-06T02:14:45"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f17b075cf9d7f26a9220e79357572169.pdf",
        "pages": 234,
        "sha256": "9bbedb4082597e91",
        "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": "attiny85-20sf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          5.3,
          2.16
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "121aee742692bb7bc9ef49972786ecb89d1b2d62ab089ed278651a884c800331",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "attiny85-20sf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          5.3,
          2.16
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "345eb322cfbc47ac1f08752d1790c7fd311b161f2f08618ca0df154a4907d05e",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "8S2",
      "source_page": 208,
      "D": {
        "nom_mm": 5.24,
        "range_mm": [
          5.13,
          5.35
        ]
      },
      "E1": {
        "nom_mm": 5.29,
        "range_mm": [
          5.18,
          5.4
        ]
      },
      "E": {
        "nom_mm": 7.98,
        "range_mm": [
          7.7,
          8.26
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.93,
        "range_mm": [
          1.7,
          2.16
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "attiny85-20sf.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-8-208mil",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "3. Code indicators: H = NiPdAu lead finish, U/N = matte tin, R = tape & reel. 4. Can also be supplied in wafer form. Contact your local Atmel sales office for ordering information and minimum quantiti",
        "page": 204,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "9bbedb4082597e91a64c97fe0ae2529eec8280abe6e58ccbc3a7fa9716172a7d"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9bbedb4082597e91a64c97fe0ae2529eec8280abe6e58ccbc3a7fa9716172a7d",
      "rows": [
        {
          "name": "Input Low-voltage, except XTAL1 and RESET pin",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.4V - 5.5V",
          "source_page": 161,
          "source": "datasheet"
        },
        {
          "name": "Input Low-voltage, XTAL1 pin, External Clock Selected",
          "symbol": "VIL1",
          "kind": "electrical",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 1.8V - 5.5V",
          "source_page": 161,
          "source": "datasheet"
        },
        {
          "name": "Input Low-voltage, RESET pin",
          "symbol": "VIL2",
          "kind": "electrical",
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          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 1.8V - 5.5V",
          "source_page": 161,
          "source": "datasheet"
        },
        {
          "name": "Input Low-voltage, RESET pin as I/O",
          "symbol": "VIL3",
          "kind": "electrical",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.4V - 5.5V",
          "source_page": 161,
          "source": "datasheet"
        },
        {
          "name": "Output Low-voltage, Port B (except RESET)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "IOL = 10 mA, VCC = 5V",
          "source_page": 161,
          "source": "datasheet"
        },
        {
          "name": "Output Low-voltage, Port B (except RESET)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IOL = 5 mA, VCC = 3V",
          "source_page": 161,
          "source": "datasheet"
        },
        {
          "name": "Output High-voltage, Port B (except RESET)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.3,
          "typ": null,
          "max": null,
          "conditions": "IOH = -10 mA, VCC = 5V",
          "source_page": 161,
          "source": "datasheet"
        },
        {
          "name": "Output High-voltage, Port B (except RESET)",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "IOH = -5 mA, VCC = 3V",
          "source_page": 161,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage Current I/O Pin (pin low)",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VCC = 5.5V, pin low",
          "source_page": 161,
          "source": "datasheet"
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        {
          "name": "Input Leakage Current I/O Pin (pin high)",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VCC = 5.5V, pin high",
          "source_page": 161,
          "source": "datasheet"
        },
        {
          "name": "Reset Pull-up Resistor",
          "symbol": "RRST",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 30,
          "typ": null,
          "max": 60,
          "conditions": "VCC = 5.5V, input low",
          "source_page": 161,
          "source": "datasheet"
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        {
          "name": "I/O Pin Pull-up Resistor",
          "symbol": "Rpu",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 20,
          "typ": null,
          "max": 50,
          "conditions": "VCC = 5.5V, input low",
          "source_page": 162,
          "source": "datasheet"
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        {
          "name": "Power Supply Current, Active mode",
          "symbol": "ICC",
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          "unit": "mA",
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          "typ": 1.5,
          "max": 2.5,
          "conditions": "Active 4 MHz, VCC = 3V",
          "source_page": 162,
          "source": "datasheet"
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        {
          "name": "Power Supply Current, Active mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 8,
          "conditions": "Active 8 MHz, VCC = 5V",
          "source_page": 162,
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        {
          "name": "Power Supply Current, Idle mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
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          "typ": 0.35,
          "max": 0.6,
          "conditions": "Idle 4 MHz, VCC = 3V",
          "source_page": 162,
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        {
          "name": "Power Supply Current, Idle mode",
          "symbol": "ICC",
          "kind": "electrical",
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          "min": null,
          "typ": 1.2,
          "max": 2,
          "conditions": "Idle 8 MHz, VCC = 5V",
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          "source": "datasheet"
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        {
          "name": "Power Supply Current, Power-down mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "WDT enabled, VCC = 3V, BOD disabled",
          "source_page": 162,
          "source": "datasheet"
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        {
          "name": "Power Supply Current, Power-down mode",
          "symbol": "ICC",
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          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "WDT disabled, VCC = 3V, BOD disabled",
          "source_page": 162,
          "source": "datasheet"
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        {
          "name": "Calibrated Internal RC Oscillator accuracy, factory calibration",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "Target 8.0 MHz, VCC = 3V, 25C",
          "source_page": 164,
          "source": "datasheet"
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        {
          "name": "Calibrated Internal RC Oscillator accuracy, user calibration",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Fixed frequency 6-8 MHz, fixed VCC 2.7V-5.5V, fixed temperature -40C to +85C",
          "source_page": 164,
          "source": "datasheet"
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        {
          "name": "Clock Frequency (external clock)",
          "symbol": "1/tCLCL",
          "kind": "timing",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 10,
          "conditions": "VCC = 2.7 - 5.5V",
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          "source": "datasheet"
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        {
          "name": "Clock Period (external clock)",
          "symbol": "tCLCL",
          "kind": "timing",
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          "typ": null,
          "max": null,
          "conditions": "VCC = 2.7 - 5.5V",
          "source_page": 164,
          "source": "datasheet"
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        {
          "name": "High Time (external clock)",
          "symbol": "tCHCX",
          "kind": "timing",
          "unit": "ns",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.7 - 5.5V",
          "source_page": 164,
          "source": "datasheet"
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        {
          "name": "Low Time (external clock)",
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          "kind": "timing",
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          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.7 - 5.5V",
          "source_page": 164,
          "source": "datasheet"
        },
        {
          "name": "Rise Time (external clock)",
          "symbol": "tCLCH",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 1.6,
          "conditions": "VCC = 2.7 - 5.5V",
          "source_page": 164,
          "source": "datasheet"
        },
        {
          "name": "Fall Time (external clock)",
          "symbol": "tCHCL",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 1.6,
          "conditions": "VCC = 2.7 - 5.5V",
          "source_page": 164,
          "source": "datasheet"
        },
        {
          "name": "Change in period from one clock cycle to the next",
          "symbol": "tCLCL",
          "kind": "timing",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VCC = 2.7 - 5.5V",
          "source_page": 164,
          "source": "datasheet"
        },
        {
          "name": "Minimum pulse width on RESET pin",
          "symbol": "tRST",
          "kind": "timing",
          "unit": "µs",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 3V",
          "source_page": 165,
          "source": "datasheet"
        },
        {
          "name": "Min pulse width on Brown-out Reset",
          "symbol": "tBOD",
          "kind": "timing",
          "unit": "µs",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 165,
          "source": "datasheet"
        },
        {
          "name": "Bandgap reference voltage",
          "symbol": "VBG",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.1,
          "max": 1.2,
          "conditions": "VCC = 5.5V, TA = 25C",
          "source_page": 165,
          "source": "datasheet"
        },
        {
          "name": "Release threshold of power-on reset (enhanced POR)",
          "symbol": "VPOR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": 1.4,
          "max": 1.6,
          "conditions": "Enhanced POR (ATtiny85 rev. C and newer), VCC rising",
          "source_page": 166,
          "source": "datasheet"
        },
        {
          "name": "Activation threshold of power-on reset (enhanced POR)",
          "symbol": "VPOA",
          "kind": "electrical",
          "unit": "V",
          "min": 0.6,
          "typ": 1.3,
          "max": 1.6,
          "conditions": "Enhanced POR (ATtiny85 rev. C and newer)",
          "source_page": 166,
          "source": "datasheet"
        },
        {
          "name": "Power-on slope rate (enhanced POR)",
          "symbol": "SRON",
          "kind": "electrical",
          "unit": "V/ms",
          "min": 0.01,
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