{HEAD ~ The falling edge 1 shot circuits} output {TAIL ~ a narrow pulse} when these outputs transition from a high state to a low state 
{ HEAD ~ The falling edge 1 shot circuits } output { TAIL ~ a narrow pulse } when these outputs transition from a high state to a low state
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH