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