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Allegro布局布线效率技巧:快捷键、模块复用与区域约束

PCB设计
PCB设计
Pub 9/7Upd 9/7
30

同样一块板子,有人布线三天,有人一天半。差距往往不在手速,而在工具链路的组织。分享几个我常用的效率技巧:

  • 快捷键(Alias):把高频操作绑到顺手按键,比如切换布线层、单步走线、滑动走线、换过孔类型。alias 定义写在 env 文件里,换电脑也能随身带走。
  • 模块复用:对称的电源/接口电路,用 Placement Edit 加 Placement Reuse 一键复制布局,配合器件位号自动重命名,比手动摆快一个量级。
  • 区域约束:BGA 扇出区、禁布区、模拟区用 Route Keepout 与 Region 圈起来,过孔、线宽、层别在区域内自动切换规则。
  • Fanout:BGA 扇出建议先定过孔类型与扇出方向,再统一执行 Fanout by pick,避免后续返工。

还有一个容易被忽略的点:布线前把全局规则(默认线宽线距、过孔)先设到合理值,别在布线途中反复改规则,否则既有走线全部跟着变,容易埋雷。

 

你们有没有压箱底的 Allegro 效率技巧?评论区分享,我整理成合集。

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Allegro布局布线效率技巧:快捷键、模块复用与区域约束

自定义快捷键、Placement Reuse 模块复用、区域约束与 Fanout 技巧,把 Allegro 用出效率。

PCB设计PCB设计
Published 9/7Updated 9/7
Allegro布局布线效率技巧:快捷键、模块复用与区域约束
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