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