allegro基本操作培训-规则设置

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7 c, p7 m* ~4 [# u: [' F4 r6 K( G电气规则：等长，差分对对间线长误差
- Y) B* |) Q& X3 V" s2 [6 Y) }2 b物理规则：线宽，线距
; U. c4 R' l+ B( p间距规则：间距相关设置


% g5 h1 T3 z- G# `% T4 R, iClass：A Net Class constraint object lets you group net objects that share common characteristics and require a similar constraint requirement
( x, c3 a! [  J' D) O/ Y, @Net 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.
Match 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
3 }7 |' o1 A+ O# WPin pair：Pin Pairs may not be directly connected but they must exist on the  same net or Xnet
Differential pair：差分对
Net：网络
# i' n, b; u. W; yX-net：
. R! s( ?7 R0 ~, F+ n" SRegion：区域
+ v+ {" ?8 Y% q& ORegion 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
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规则设置时包括电气规则，物理规则和间距规则