entity no3_fp is  

   port 
     (
i0 : in bit ;
i1 : in bit ;
i2 : in bit ;
o : out bit ;
vdd : in bit ;
vss : in bit 
     );
   end no3_fp ;

architecture FUNCTIONNAL of no3_fp is 

begin
o <= not(i2 or i1 or i0) ;
end FUNCTIONNAL ;
