entity a3p_fp is  

   port 
     (
i0 : in bit ;
i1 : in bit ;
i2 : in bit ;
no : inout bit ;
o : out bit ;
vdd : in bit ;
vss : in bit 
     );
   end a3p_fp ;

architecture FUNCTIONNAL of a3p_fp is 

begin
no <= not (i0 and i1 and i2) ;
o <= not no ;
end FUNCTIONNAL ;
