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