The portion of the clock tree is coupled to receive the control signal for collectively conditionally gating {HEAD ~ the plurality} of {TAIL ~ clocks} 
of
The portion of the clock tree is coupled to receive the control signal for collectively conditionally gating { HEAD ~ the plurality } of { TAIL ~ clocks }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL