NO3x is a family of 3-input gates which perform the logical NOR function. Logic Symbol Truth Table NO3x A BQ C A BQ C A B CQ L L LH HXX L XHX L XXHL HDL Syntax Verilog NO3x inst_name (Q, A, B, C); VHDL inst_name: NO3x port map (Q, A, B, C); Pin Loading Pin Name A B C NO31 1.0 1.0 1.0 NO32 2.