ATtiny8520SU in SOP8 package, five pieces per set. This compact 8pin AVR microcontroller is designed for small, lowpower embedded projects where space and efficiency matter. The ATTINY8520SU version denotes a 20 MHz speed grade in an eightpin SOP package, suitable for a wide range of hobby and professional applications. Key benefits Small footprint for tight board layouts: the eightpin SOP package enables easy integration into compact PCBs and wearable devices. Sufficient program and data storage: 8 KB of flash memory for code, plus 512 bytes of RAM and 512 bytes of EEPROM for data retention. Fast enough for responsive projects: capable of operating at up to 20 MHz, enabling smooth handling of timingcritical tasks. Flexible peripheral set: six generalpurpose I/O lines, timers, PWM outputs, ADC, and a serial interface via the USI for SPIlike communication. Low power operation: designed to conserve energy in batterypowered applications, with sleep modes and efficient execution. Broad toolchain compatibility: compatible with AVRGCC based toolchains and widely supported by Arduino IDE with appropriate core support, simplifying development. Reliable programming and integration: standard SOP8 packaging and ISP programming capability for easy deployment and testing. Key attributes Functionality: 8bit AVR microcontroller with onchip memory and peripherals suitable for embedded control, sensing, and simple automation tasks. Compatibility: supports common AVR development workflows, including AVRGCC and Arduino IDE ecosystems with proper core support. Size and packaging: 8pin SOP (SOP8) package for compact board integration. Memory and performance: 8 KB flash, 512 B RAM, 512 B EEPROM, up to 20 MHz operation. Peripherals: multiple I/O pins, timers, PWM, ADC, and USI for serial communication. Power and timing: optimized for lowpower usage with standard clock options for a variety of applications. Applications and use cases Small sensor and datacollection nodes: interfaces with simple sensors (temperature, light, humidity) and logs data in EEPROM or RAM for later retrieval. LED control and visual indicators: use PWM and timers to drive LEDs, indicators, or simple lightbased user interfaces in compact devices. Hobbyist and educational projects: ideal for prototypes, microcontroller learning kits, and small automation experiments due to its balance of memory, I/O, and ease of use. Microcontroller projects requiring compact control: portable gadgets, compact automation modules, and small robotics subsystems where space is at a . Simple embedded controllers: lightweight control logic for fans, switches, or environmental monitors in compact enclosures. Package and packaging note Includes five pieces of ATtiny8520SU microcontrollers in SOP8 packaging, ready for insertion into standard SOP8 sockets or direct PCB mounting with appropriate pin headers or sockets. In short, these ATtiny8520SU chips offer a balanced combination of small size, useful memory, versatile peripherals, and broad development compatibility, making them suitable for compact, energyconscious embedded projects. This listing provides five identical units in SOP8 form for convenient prototyping and production readiness.