The ATTINY461A-SUR is an 8-bit microcontroller (MCU) from MICROCHIP TECH. It features the popular ATtiny AVR RISC architecture and offers 4KB of Flash memory. Operating at voltages of 2.5V, 3.3V, or 5V, this MCU comes in a compact 20-pin SOIC package with tape and reel packaging for ease of use. It is ideal for applications that require low power consumption and integrated features in a small form factor.