In one embodiment of {HEAD ~ the invention}, the output circuit is responsive to assertion of {TAIL ~ a control signal} to selectively enter a high impedance state 
In one embodiment of { HEAD ~ the invention } , the output circuit is responsive to assertion of { TAIL ~ a control signal } to selectively enter a high impedance state
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH