ATtiny85 20PU Microcontroller IC - 8 bit AVR MCU for Arduino & Electronics

The ATtiny85 20PU Microcontroller is a simple and reliable solution for compact embedded projects, making it an essential addition to any electronics enthusiast, technician, or DIY maker.

This 8 bit AVR microcontroller offers a powerful combination of performance and low power consumption, making it ideal for small standalone applications, sensor control, and automation tasks.

With built in peripherals such as ADC, PWM, and communication interfaces, it allows you to create complete projects with minimal external components.

Perfect for makers, students, and STEM labs where compact and efficient microcontroller solutions are essential.

Highlights:

• Compact MCU: Small DIP 8 package for space saving designs.
  
• 8 bit AVR Core: Efficient and reliable processing.
  
• Low Power Consumption: Ideal for battery powered projects.
  
• Multiple Interfaces: Supports SPI, I²C (USI), and software UART.
  
• Versatile Use: Suitable for standalone and embedded applications.

Specifications:

• Type: 8 bit AVR microcontroller.
  
• Model: ATtiny85 20PU.
  
• CPU: AVR RISC architecture.
  
• Operating Frequency: Up to 20 MHz.
  
• Flash Memory: 8 KB.
  
• SRAM: 512 Bytes.
  
• EEPROM: 512 Bytes.
  
• I/O Pins: 6 programmable pins.
  
• Timers: 2× 8 bit timers.
  
• ADC: 4 channel, 10 bit.
  
• PWM: Up to 4 channels.
  
• Communication: SPI, I²C (USI), software UART.
  
• Operating Voltage: 2.7-5.5V.
  
• Power Consumption:
  • Active: ~300 µA @ 1 MHz, 1.8V.
  • Sleep: <1 µA.
    
• Temperature Range: -40°C to +85°C.
  
• Features: Internal oscillator, watchdog timer, multiple sleep modes.
  
• Programming: In System Programming (ISP).
  
• Application: Embedded systems, automation, sensor control.
  
• Dimensions: ~9×7×8mm.
  
• Interface: 8-pin (RESET, A3, A2, GND, 5V, A1, PWM1, PWM0).

Ideal For:

• 🔧 Compact embedded projects.
  
• ⚡ Low power applications.
  
• 🤖 Robotics (ATtiny core) projects.
  
• 🧰 DIY electronics and automation.
  
• 🎓 Arduino & STEM education projects.
  

Note:

• Requires an external ISP programmer for uploading code.
• Product appearance may vary slightly from the images shown.
  
• Text or markings on the component may differ depending on the batch.