said internal signal is issued from {HEAD ~ a connection node} between said {TAIL ~ fourth P channel MOS transistor} and said fourth N channel MOS transistor 
between
said internal signal is issued from { HEAD ~ a connection node } between said { TAIL ~ fourth P channel MOS transistor } and said fourth N channel MOS transistor
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH