{TAIL ~ The p channel vertical MISFETs} are formed above {HEAD ~ the n channel} drive MISFETs 
{ TAIL ~ The p channel vertical MISFETs } are formed above { HEAD ~ the n channel } drive MISFETs
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH