Study Of 4 Bit Comparator is an SSI India product in the Digital Electronics category. Key specifications include SKU: PDE-E104. TECHNICAL SPECIFICATIONS: Power Supplies. DC Power Supply +5V,150mA. Operated on Mains power 230V, 50Hz +10% TECHNICAL SPECIFICATIONS. IC 7485 With Combinational Circuit given onboard. Connections are brought out through 2mm