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