14. The apparatus of claim 11 , wherein the physical implementation requirement comprises at least one of a placement of a component and a requirement of a wire coupling components together.
14. The apparatus of claim 11 , wherein the physical implementation requirement comprises at least one of a placement of a component and a requirement of a wire coupling components together. 15. The apparatus of claim 14 , wherein a requirement of the wire comprises a layer where the wire is located and a width of the wire.