识产权（IP）的再使用是设计组赢得迅速上市时间的主要策略，因为现在留给设计者完成诸如蜂窝电话和Internet路由器等热门IC设计的周期只有3个月。设计者还需面对这样一个严酷的现实，即IC的复杂度以每年55 的速率递增，而设计能力每年仅提高21-Intellectual property (IP) re-use is the design team Yingde rapid time to market the main strategy, because it is now left to the designer to complete, such as cellular phones and Internet routers Deng popular IC design of the cycle is only 3 months. Designers need to face a harsh reality, that is, the complexity of IC 55　annual rate of increase, while the designed capacity increased only 21 per year