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    • 8. 发明授权
    • Constraint data management for electronic design automation
    • 电子设计自动化的约束数据管理
    • US07003749B2
    • 2006-02-21
    • US10755557
    • 2004-01-12
    • Pero SubasicGeorge Bogdan Arsintescu
    • Pero SubasicGeorge Bogdan Arsintescu
    • G06F17/50
    • G06F17/5072
    • In a method of determining the existence of one or more conflicts in the placement or configuration of circuit objects defining a circuit, a number of constraints is defined, each of which imposes at least one limitation on at least one circuit object. A number of constraint families is then defined, each of which includes a subset of interrelated constraints. For each of a subset of the constraint families, a determination is made if a conflict exists between the constraints thereof. If not, pairs of constraint families are defined from the plurality constraint families. For each of a subset of the pairs of constraint families, a determination is made if a conflict exists between the constraints thereof. If not, the circuit objects defining the circuit are laid out subject to the constraints.
    • 在确定定义电路的电路对象的布置或配置中存在一个或多个冲突的方法中,定义了若干约束,每个约束对至少一个电路对象施加至少一个限制。 然后定义多个约束族,每个约束族包括相关约束的子集。 对于约束族的子集中的每一个,确定在其约束之间是否存在冲突。 如果不是,则从多个约束系列中定义约束族对。 对于约束系列对的子集中的每一个,确定在其约束之间是否存在冲突。 如果没有,定义电路的电路对象将受限于约束。