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Static timing analysis (STA) is a simulation method of computing the expected timing of a digital circuit without requiring a simulation of the full circuit. High-performance integrated circuits have traditionally been characterized by the clock frequency at which they operate. Gauging the ability of a circuit to operate at the specified speed requires an ability to measure, during the design process, its delay at numerous steps. Moreover, delay calculation must be incorporated into the inner loop of timing optimizers at various phases of design, such as logic synthesis, layout (placement and routing), and in in-place optimizations performed late in the design cycle. While such timing measurements can theoretically be performed using a rigorous circuit simulation, such an approach is liabl

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  • Static timing analysis
  • Analyse temporelle statique
  • Статический временной анализ
  • 静态时序分析
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  • Статический временной анализ (СВА, англ. Static timing analysis) — это метод расчета временных параметров СБИС, не требующий полноценного электрического моделирования работы схемы.
  • 静态时序分析(英语:Static Timing Analysis, STA),或称静态时序验证,是电子工程中,对数字电路的时序进行计算、预计的工作流程,该流程不需要通过输入激励的方式进行仿真。 传统上,人们常常将工作时钟频率作为高性能的集成电路的特性之一。为了测试电路在指定速率下运行的能力,人们需要在设计过程中测量电路在不同工作阶段的延迟。此外,在不同的设计阶段(例如逻辑综合、布局、布线以及一些后续阶段)需要对时间优化程序内部进行延迟计算(Delay calculation)。尽管可以通过严格的SPICE电路仿真来进行此类时间测量,但是这种方法在实用中耗费大量时间。静态时序分析在电路时序快速、准确的测量中扮演了重要角色。静态时序分析能够更快速地完成任务,是因为它使用了简化的模型,而且它有限地考虑了信号之间的逻辑互动。静态时序分析在最近几十年中,成为了相关设计领域中的主要技术方法。 静态时序分析的最早描述之一是基于1966年的計畫評核術。它的一些更现代的版本和算法则出现于1980年代前期。
  • Static timing analysis (STA) is a simulation method of computing the expected timing of a digital circuit without requiring a simulation of the full circuit. High-performance integrated circuits have traditionally been characterized by the clock frequency at which they operate. Gauging the ability of a circuit to operate at the specified speed requires an ability to measure, during the design process, its delay at numerous steps. Moreover, delay calculation must be incorporated into the inner loop of timing optimizers at various phases of design, such as logic synthesis, layout (placement and routing), and in in-place optimizations performed late in the design cycle. While such timing measurements can theoretically be performed using a rigorous circuit simulation, such an approach is liabl
  • L'analyse temporelle statique est une méthode d'évaluation de la fréquence de fonctionnement d'un circuit intégré. Contrairement à l'analyse dynamique, elle ne nécessite pas l'usage de vecteur de test ni de simulation.Elle repose sur le calcul et l'addition des délais de chaque porte logique élémentaire d'un circuit. Cette méthode est plus généralement désignée par son acronyme STA, pour static timing analysis.
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  • Static timing analysis (STA) is a simulation method of computing the expected timing of a digital circuit without requiring a simulation of the full circuit. High-performance integrated circuits have traditionally been characterized by the clock frequency at which they operate. Gauging the ability of a circuit to operate at the specified speed requires an ability to measure, during the design process, its delay at numerous steps. Moreover, delay calculation must be incorporated into the inner loop of timing optimizers at various phases of design, such as logic synthesis, layout (placement and routing), and in in-place optimizations performed late in the design cycle. While such timing measurements can theoretically be performed using a rigorous circuit simulation, such an approach is liable to be too slow to be practical. Static timing analysis plays a vital role in facilitating the fast and reasonably accurate measurement of circuit timing. The speedup comes from the use of simplified timing models and by mostly ignoring logical interactions in circuits. It has become a mainstay of design over the last few decades. One of the earliest descriptions of a static timing approach was based on the Program Evaluation and Review Technique (PERT), in 1966. More modern versions and algorithms appeared in the early 1980s.
  • L'analyse temporelle statique est une méthode d'évaluation de la fréquence de fonctionnement d'un circuit intégré. Contrairement à l'analyse dynamique, elle ne nécessite pas l'usage de vecteur de test ni de simulation.Elle repose sur le calcul et l'addition des délais de chaque porte logique élémentaire d'un circuit. L'analyse temporelle statique permet de calculer le plus long chemin logique d'un circuit, le chemin critique.En outre, elle permet de vérifier que les données reçues par un élément synchrone sont stables au moment où celui-ci reçoit un coup d'horloge. Ceci permet d'éviter des erreurs de hold ou de setup. Cette méthode est plus généralement désignée par son acronyme STA, pour static timing analysis.
  • Статический временной анализ (СВА, англ. Static timing analysis) — это метод расчета временных параметров СБИС, не требующий полноценного электрического моделирования работы схемы.
  • 静态时序分析(英语:Static Timing Analysis, STA),或称静态时序验证,是电子工程中,对数字电路的时序进行计算、预计的工作流程,该流程不需要通过输入激励的方式进行仿真。 传统上,人们常常将工作时钟频率作为高性能的集成电路的特性之一。为了测试电路在指定速率下运行的能力,人们需要在设计过程中测量电路在不同工作阶段的延迟。此外,在不同的设计阶段(例如逻辑综合、布局、布线以及一些后续阶段)需要对时间优化程序内部进行延迟计算(Delay calculation)。尽管可以通过严格的SPICE电路仿真来进行此类时间测量,但是这种方法在实用中耗费大量时间。静态时序分析在电路时序快速、准确的测量中扮演了重要角色。静态时序分析能够更快速地完成任务,是因为它使用了简化的模型,而且它有限地考虑了信号之间的逻辑互动。静态时序分析在最近几十年中,成为了相关设计领域中的主要技术方法。 静态时序分析的最早描述之一是基于1966年的計畫評核術。它的一些更现代的版本和算法则出现于1980年代前期。
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