A cascode {TAIL ~ I/O driver} is described that includes {HEAD ~ a barrier} formed in the shared region between the two transistors 
A cascode { TAIL ~ I / O driver } is described that includes { HEAD ~ a barrier } formed in the shared region between the two transistors
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH