layer			function			LINE WIDTH/CONTROLLED Impedance                                  

top layer		signal layer		6 mils/50 Ohms     5mil differential lines /100 Ohms Impedance 

layer 2			GND layer

layer 3			POWER layer

layer 4			signal layer		6 mils/50 Ohms     5mil differential lines /100 Ohms Impedance 

layer 5			GND layer
	
bottom layer	signal layer		6 mils/50 Ohms     5mil differential lines /100 Ohms Impedance 