The ATTINY406-SN is an 8-bit microcontroller manufactured by Microchip, featuring a 20MHz processor, 4KB of program memory, SOIC20 packaging, with a temperature rating of 105C and a green T&R labeling. The microcontroller is part of the AVR family of mid-range microcontrollers and features enhanced RISC-core architecture and an extensive range of power and communication peripherals, making it an ideal choice for a variety of applications. The ATTINY406-SN is suitable for a variety of applications including motor control, power conversions, remote control systems, home appliance control and sensing, lighting systems, and embedded network systems.