{HEAD ~ A first circuit} is coupled to the oscillator and arranged for receiving {TAIL ~ an externally provided clock signal} at a first input node 
is arranged for receiving
{ HEAD ~ A first circuit } is coupled to the oscillator and arranged for receiving { TAIL ~ an externally provided clock signal } at a first input node
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH