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本帖最后由 Heaven_1 于 2022-6-24 16:47 编辑
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电气规则：等长，差分对对间线长误差% }* `5 U2 G, W6 J. O& C1 T w. }1 \; E
物理规则：线宽，线距/ R+ i5 `8 o3 ]: H' ]' B& ]
间距规则：间距相关设置
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Class：A Net Class constraint object lets you group net objects that share common characteristics and require a similar constraint requirement
) H1 f7 [! A& _2 |3 TNet group：A Net Group is a collection of various net (signal) objects. Different type of net objects, such as nets, buses, differential pairs, and XNets, can be the members of a Net Group.
' |# I0 d! ]' m# W" MMatch group：A Match Group is a collection of nets, Xnets, or pin pairs which must all match (in delay or length) or be relative to a specific target within the group, M( o2 V1 r! J: v
Pin pair：Pin Pairs may not be directly connected but they must exist on the same net or Xnet* T+ R" b, Q+ {
Differential pair：差分对
/ Z9 a x: \' S+ gNet：网络
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Region：区域
0 ^$ W/ m5 ]/ _2 j! l! |Region class：A Region Class constraint object lets you constrain the members of a Net Class—within a Region—differently than the original constraints on that Region# ]( ?- d$ S9 H' }* r6 O5 g4 V& x
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发表于 2022-6-24 14:48
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