{HEAD ~ first and second N channel MOS transistors} connected in {TAIL ~ parallel} between the other conductive terminal of said second P channel MOS transistor and a ground potential 
connected in
{ HEAD ~ first and second N channel MOS transistors } connected in { TAIL ~ parallel } between the other conductive terminal of said second P channel MOS transistor and a ground potential
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH