The MICROCHIP TECH. part PIC16F84A-20I/SO is a highly efficient 8-bit microcontroller unit (MCU) designed for various applications. It features an advanced PIC RISC architecture and offers 1.75KB of Flash program memory. This MCU operates at a voltage of 5V and is housed in an 18-pin small outline integrated circuit (SOIC) package, which ensures easy and convenient installation. With its reliable performance and compact design, the PIC16F84A-20I/SO is an excellent choice for projects requiring small-scale data processing and control.