本文是关于PADS 9.3的学习笔记，涵盖了使用自动布线器完成关键信号路由、设置封装约束以避免设计违规、交互式布线快捷键以及定义区域为禁止布线区等实用技巧。还介绍了启动文件在重用设计选项和放置组件的顺序方法中的应用，旨在提升布局布线效率。
1.Once critical signals have been routed, the power of PADS Autorouter can be used to quickly complete the rouing tasks.
2.Applies fanout/spacing/pad entry constraints to package types. Ex: ssigning smaller line widths on fine pitch parts so traces can exit the part without creating violations. Highly efficient method of defining constraints across similar parts.
3.During interactive routing, press F4 to toggle between layer pairs.
4.N {<net>} Net highlighting on or off----pads layout
5.Shift+A Accordion beginning, interactive routing mode----pads layout
6.Auto-wire feature (connection created by touching pins and dragging comps apart)--logic
7.To bring the whole design in view, press Ctrl+B, the Board shortcut or press the home key.--layout
8.In PADS Layout, you have the capability to define a region as a keepout for vias, traces, and other design objects.
9.Start-up files
2.Applies fanout/spacing/pad entry constraints to package types. Ex: ssigning smaller line widths on fine pitch parts so traces can exit the part without creating violations. Highly efficient method of defining constraints across similar parts.
3.During interactive routing, press F4 to toggle between layer pairs.
4.N {<net>} Net highlighting on or off----pads layout
5.Shift+A Accordion beginning, interactive routing mode----pads layout
6.Auto-wire feature (connection created by touching pins and dragging comps apart)--logic
7.To bring the whole design in view, press Ctrl+B, the Board shortcut or press the home key.--layout
8.In PADS Layout, you have the capability to define a region as a keepout for vias, traces, and other design objects.
9.Start-up files
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