{HEAD ~ Generic control functions} can be implemented including {TAIL ~ NAND gates}, level shifting, decoding, voltage generator, ESD and latch up protection, leakage control, and dynamic VT setting while in operation 
{ HEAD ~ Generic control functions } can be implemented including { TAIL ~ NAND gates } , level shifting , decoding , voltage generator , ESD and latch up protection , leakage control , and dynamic VT setting while in operation
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH