了解 CoolRunner-II 时序模型 Application Note: CoolRunner-II CPLD R Understanding the CoolRunner-II Timing Model XAPP375 (v1.5) February 28, 2003 Summary This document describes the CoolRunner-II timing model. Understanding the CoolRunner-II timing model is essential to creating a CPLD design that meets the desired timing requirements. Introduction CPLD designers often require an und……