摘要:        
https://blog.csdn.net/reborn_lee/article/details/85060377 什么是伪路径? 伪路径就是存在,但是不起作用的路径,因此没有必要对它进行时序分析。 为什么要排除伪路径? 这样可以移除无效的时序路径; 跳过路径优化,因此可以节省时间和资源。 设置伪路    
阅读全文
posted @ 2020-12-02 16:54
tubujia
阅读(1118)
推荐(0)
 
		
    
        
        
摘要:        
https://blog.csdn.net/tq384998430/article/details/56668032 https://zhidao.baidu.com/question/575450692.htm https://blog.csdn.net/l694066619/article/de    
阅读全文
posted @ 2020-11-22 11:33
tubujia
阅读(460)
推荐(0)
 
		
    
        
        
摘要:        
https://blog.csdn.net/u010554204/article/details/43239547    
阅读全文
posted @ 2020-11-21 23:48
tubujia
阅读(715)
推荐(0)
            
        
        
摘要:        
https://www.cnblogs.com/chengqi521/p/8512510.html    
阅读全文
posted @ 2020-11-21 21:43
tubujia
阅读(218)
推荐(0)
            
        
        
摘要:        
http://xilinx.eetrend.com/d6-xilinx/blog/2018-08/13333.html    
阅读全文
posted @ 2020-11-21 21:02
tubujia
阅读(215)
推荐(0)
            
        
        
摘要:        
https://www.cnblogs.com/szhb-5251/p/11620019.html    
阅读全文
posted @ 2020-11-21 20:57
tubujia
阅读(205)
推荐(0)
            
        
        
摘要:        
https://blog.csdn.net/kunkliu/article/details/108950991 https://blog.csdn.net/wordwarwordwar/article/details/81182910 http://xilinx.eetrend.com/blog/2    
阅读全文
posted @ 2020-11-21 17:25
tubujia
阅读(693)
推荐(0)
 
		
    
        
        
摘要:        
https://blog.csdn.net/Wang_yf_/article/details/82179427 http://www.elecfans.com/dianlutu/protect/20091120109780.html https://www.cnblogs.com/icaowu/p/    
阅读全文
posted @ 2020-11-02 15:02
tubujia
阅读(207)
推荐(0)
 
		
    
        
        
摘要:        
https://www.cnblogs.com/WHaoL/p/6107141.html    
阅读全文
posted @ 2020-10-31 15:37
tubujia
阅读(314)
推荐(0)
            
        
        
摘要:        
https://blog.csdn.net/longkousong/article/details/83689873 做成一个Mark点封装备用: 1、画一个焊盘,TOP层,直径1mm; 2、画一个焊盘,TOP Solder层,直径3mm,2个焊盘同心。    
阅读全文
posted @ 2020-10-31 00:26
tubujia
阅读(567)
推荐(0)