Consequently the only word line required for enabling the ROM cells is {HEAD ~ the word line} which enables {TAIL ~ the RAM cells} 
enables
Consequently the only word line required for enabling the ROM cells is { HEAD ~ the word line } which enables { TAIL ~ the RAM cells }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL