使用 XC9500XL 时序模型 Application Note: CPLD R Using the XC9500XL Timing Model XAPP111 (v1.3) August 20, 2001 Summary This application note describes how to use the XC9500XL timing model. Introduction All XC9500XL CPLDs have a uniform architecture and an identical timing model, making them very easy to use and understand. To determine specific timing details, users need only compare their paths of interest to the architectural diagrams and, using the t……