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【应用笔记】理解Altera器件的I/O输出时序(Understanding I/O Output Timing for Altera Devices)
本应用笔记描述了Altera器件的输出时序参数，解释了Altera如何定义tCO，并为你的系统提出了计算输出时序的技巧。
This application note describes the output timing parameters for Altera®
devices, explains how Altera defines tCO results, and presents techniques
for calculating the output timing for your system. In addition, a sample
DDR2 interface link is presented and analyzed for calculating output
timing.an366.pdf