The ATTINY402-SSNR is an 8-bit microcontroller manufactured by Microchip. It features a 20MHz clock speed, 4KB of program memory, and a SOIC8 package. It also has an operating temperature of -40° to +105° Celsius and is offered in a green T&R package. The device is suitable for a range of applications from communications, beacons, security, and automotive applications. It has an integrated 16-level hardware stack, fourteen 8-bit timers and counter/timers, and is optimized for 8-bit cost-sensitive applications. It can be used to control a variety of electronic devices such as motor controllers, LED displays, and more.