Install this component

Paste this into Claude Code (VS Code panel, Adom editor, or terminal) to install:

Search the Adom Wiki for the library component "ATTINY85-20SU" (slug: attiny85-20su) at https://wiki-ufypy5dpx93o.adom.cloud/wiki/libraries/attiny85-20su. Pull down the KiCad symbol, footprint, and 3D model files from the wiki page's assets. Install them into my current KiCad project and register in sym-lib-table and fp-lib-table. If the page has a datasheet URL, save that too.
Manufacturer Microchip
Package SOIC-8
Pins 8 pins (GPIO, System, Power)
Core AVR 8-bit
Flash 8KB
SRAM 512B
EEPROM 512B

Library View

Interactive symbol, footprint, and 3D model — hover pins for cross-highlighting.

SymbolGenerated Generated from pin data (KiCad symbol MCU_Microchip_ATtiny/ATtiny85-20S is extends-based)
FootprintKiCad KiCad standard library: Package_SO/SOIC-8_3.9x4.9mm_P1.27mm
3DGenerated Generated pad visualization (Babylon.js)

Breakout Board

Auto-generated breakout molecule for ATTINY85-20SU — all pins brought to 2mm-pitch headers with 4 corner machine pins on 8mm grid.

Pricing & Availability

Specifications

CoreAVR 8-bit
Flash8KB
SRAM512B
EEPROM512B
ClockUp to 20MHz
I/O6 GPIO
ADC4ch 10-bit
PackageSOIJ-8

Pin Configuration

GPIOSystemPower
PinNameGroupFunction
GPIO — General-purpose I/O
2PB3GPIOPort B3 / ADC3 / XTAL1 / CLKI
3PB4GPIOPort B4 / ADC2 / XTAL2 / CLKO
5PB0GPIOPort B0 / MOSI / DI / SDA / AIN0 / OC0A
6PB1GPIOPort B1 / MISO / DO / AIN1 / OC0B / OC1A
7PB2GPIOPort B2 / SCK / SCL / ADC1 / T0 / INT0
System — Reset
1PB5SystemPort B5 / RESET / ADC0 / dW
Power — Supply and ground
4GNDPowerGround
8VCCPowerSupply voltage (2.7V-5.5V)

AI Skill Technical Reference

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ATTINY85-20SU — 8-bit AVR MCU, 20MHz, 8KB Flash, SOIC-8

Manufacturer: Microchip Package: SOIC-8

Description

The ATtiny85 is a compact 8-bit AVR microcontroller with 8KB Flash, 512B SRAM, and 512B EEPROM. Popular for small projects requiring minimal GPIO — frequently used with Arduino IDE via Digispark boards.

Electrical Specifications

  • Core: AVR 8-bit
  • Flash: 8KB
  • SRAM: 512B
  • EEPROM: 512B
  • Clock: Up to 20MHz
  • I/O: 6 GPIO
  • ADC: 4ch 10-bit
  • Package: SOIJ-8

Pin Configuration

Package: SOIC-8

  • Pin 1: PB5 — Port B5 / RESET / ADC0 / dW
  • Pin 2: PB3 — Port B3 / ADC3 / XTAL1 / CLKI
  • Pin 3: PB4 — Port B4 / ADC2 / XTAL2 / CLKO
  • Pin 4: GND — Ground
  • Pin 5: PB0 — Port B0 / MOSI / DI / SDA / AIN0 / OC0A
  • Pin 6: PB1 — Port B1 / MISO / DO / AIN1 / OC0B / OC1A
  • Pin 7: PB2 — Port B2 / SCK / SCL / ADC1 / T0 / INT0
  • Pin 8: VCC — Supply voltage (2.7V-5.5V)

Sub-Skills
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  • A community-written design guide for an amplifier circuit
  • An automated test/validation script for a sensor module

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0 revisions · Updated 2026-03-02 17:31:36