The second series connected transistors drive a second voltage signal on a second interconnect in response to {TAIL ~ a complement} of the data signal, the second voltage signal has a voltage swing which is less than the voltage differential between {HEAD ~ the voltage supply connections} 
The second series connected transistors drive a second voltage signal on a second interconnect in response to { TAIL ~ a complement } of the data signal , the second voltage signal has a voltage swing which is less than the voltage differential between { HEAD ~ the voltage supply connections }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD