NO5x is a family of 5-input gates which perform the logical NOR function. Logic Symbol NO5x A B C D E A B C D E Q Q Truth Table ABCDE LLLLL HXXXX XHXXX XXHXX XXXHX XXXXH Q H L L L L L Core Logic HDL Syntax Verilog NO5x inst_name (Q, A, B, C, D, E); VHDL inst_name: NO5x port map (Q, A, B, C, .