fpga设计中wns
时间: 2024-04-25 07:25:32 浏览: 10
在FPGA设计中,WNS(Worst Negative Slack)是指设计中最差的负时序裕度。时序裕度是指在时钟约束下,信号到达目标寄存器的时间与时钟边沿之间的差值。WNS表示了设计中最紧迫的时序路径,即最接近无法满足时序要求的路径。当WNS为负值时,表示该路径无法满足时序要求,可能会导致设计中的故障或不稳定性。因此,在FPGA设计中,需要通过优化时序路径、调整时钟约束等方法来改善WNS值,以确保设计的稳定性和正确性。
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