The ATTINY806-SF is an 8-bit microcontroller manufactured by Microchip that comes in SOIC20 surface-mount package. It features a low power AVR® 8-bit microcontroller, which is powered by an advanced surface-mount technology-based core.It can operate at speeds up to 20MHz and has a 8KB of program memory, 256 bytes of SRAM, and 512 bytes of EEPROM. It is designed to be used in a wide range of applications, including small automotive controllers, industrial applications, and embedded text-to-speech devices. Additionally, the device features various features, such as serial and parallel communication interfaces, precise analog-to-digital conversion, 5-channel 8-bit PWM and 10-bit-resolution ADC. It comes in a green plastic tube, with storage temperature of -40 to +105C.