In another embodiment, the present invention includes {HEAD ~ the steps} of selectively coupling a logic signal on at least one input node to an intermediate node, applying bias to the intermediate node, and amplifying {TAIL ~ the logic signal} on the intermediate node to an output node 
In another embodiment , the present invention includes { HEAD ~ the steps } of selectively coupling a logic signal on at least one input node to an intermediate node , applying bias to the intermediate node , and amplifying { TAIL ~ the logic signal } on the intermediate node to an output node
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH