Hi. I am making an LFSR using Cadence software. The thing is when I simulate my D flip flop it gives a spike on the graph which causes a one to be passed on to the next D flip flop and so on. From a testbench point of view what can I do to stop the spike from confusing the circuit??

 

Could you please send pic/code?
simulators know to ignore spikes - just make sure it's a spike and not an event...(-: