The driver circuits 106 and 106′ provide differential signals on the interconnects which have a reduced voltage swing that is less than a voltage differential of a single power supply, or {HEAD ~ a single pair} of {TAIL ~ voltage rails} 
The driver circuits 106 and 106′ provide differential signals on the interconnects which have a reduced voltage swing that is less than a voltage differential of a single power supply , or { HEAD ~ a single pair } of { TAIL ~ voltage rails }
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