In a memory device employing {TAIL ~ the output driver}, the blocking polarity potential is applied when the memory is in a state which does not activate {HEAD ~ the output driver} 
In a memory device employing { TAIL ~ the output driver } , the blocking polarity potential is applied when the memory is in a state which does not activate { HEAD ~ the output driver }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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