Clk _~_~_~_~_~_~_~_~_~_~_~_~_~_~_~ Sync _~~__________~~__________~~___ G_Out =X=X=X=X=X=X=X=X=X=X=X=X=X=X=X G_LD _~~__________~~__________~~___ NG_D_FF ___~~__________~~__________~~_ NG_LD _~~~~________~~~~________~~~~_ NG_Out =X=X=X=X=X=X=X=X=X=X=X=X=X=X=X