static hazard

简明释义

静电危害

英英释义

A static hazard is a condition in digital circuits where a change in input does not lead to a corresponding change in output, causing an unintended temporary fluctuation in the output state.

静态危险是数字电路中的一种情况,其中输入的变化并未导致输出的相应变化,从而导致输出状态出现意外的暂时波动。

例句

1.A static hazard 静态危险 occurs when a signal may momentarily change state even though it should remain constant.

当一个信号在应该保持不变时可能会瞬间改变状态,这就是 静态危险 静态危险

2.Testing for static hazards 静态危险 is crucial in ensuring the reliability of a digital system.

测试 静态危险 静态危险 对于确保数字系统的可靠性至关重要。

3.To minimize static hazards 静态危险, designers often use redundant logic gates.

为了最小化 静态危险 静态危险 ,设计者通常使用冗余逻辑门。

4.In digital circuit design, a static hazard 静态危险 can lead to incorrect outputs during transitions.

在数字电路设计中,静态危险 静态危险 可能导致在过渡期间输出错误。

5.Engineers must account for static hazards 静态危险 when designing reliable logic circuits.

工程师在设计可靠的逻辑电路时必须考虑 静态危险 静态危险

作文

In the field of digital circuit design, ensuring reliability and efficiency is paramount. One of the critical issues that engineers face is the phenomenon known as static hazard. A static hazard refers to an unwanted fluctuation in the output of a digital circuit when the input variables change. This can lead to temporary incorrect outputs, which can be particularly problematic in systems where precision is essential. Understanding static hazard is crucial for designers to create circuits that function correctly under all conditions.When designing combinational logic circuits, engineers aim to achieve a stable output based on specific input combinations. However, due to the inherent delays in the propagation of signals through various gates, it is possible for the output to momentarily switch states even when it should remain constant. This momentary change is what we refer to as a static hazard. For example, consider a simple circuit that has three inputs: A, B, and C. If the circuit is designed to output a high signal (1) when A and B are both high, any slight delay in the signal processing could cause the output to flicker between high and low during transitions, resulting in a static hazard.The implications of static hazard can be severe, especially in applications such as automotive systems, medical devices, and aerospace technology, where a malfunction can lead to catastrophic failures. Engineers must employ various techniques to mitigate these hazards. One common method is to redesign the circuit using redundant logic gates or adding additional terms to the logic expressions to ensure that the output remains stable despite minor input fluctuations. This process not only helps to eliminate static hazard but also enhances the overall reliability of the system.Another approach to address static hazard is through the implementation of timing analysis tools during the design phase. These tools can simulate how signals propagate through the circuit and identify potential hazards before the physical circuit is built. By analyzing the timing characteristics of each component, engineers can make informed decisions about which configurations will minimize the risk of static hazard occurring.Moreover, understanding static hazard is not just limited to the design phase; it also plays a significant role in testing and validation. Engineers often conduct rigorous testing to ensure that circuits can withstand various input scenarios without experiencing static hazard. This includes stress testing under extreme conditions and validating the circuit's performance over time. By proactively addressing the potential for static hazard, engineers can significantly reduce the likelihood of unexpected behavior in deployed systems.In conclusion, the concept of static hazard is a fundamental aspect of digital circuit design that cannot be overlooked. As technology continues to advance and the complexity of circuits increases, the importance of understanding and mitigating static hazard becomes even more vital. By employing strategic design practices, utilizing advanced simulation tools, and conducting thorough testing, engineers can create reliable and efficient digital systems that perform as intended without the pitfalls of static hazard.

在数字电路设计领域,确保可靠性和效率至关重要。工程师面临的一个关键问题是被称为静态危害的现象。静态危害指的是当输入变量发生变化时,数字电路输出中出现的不必要波动。这可能导致临时错误输出,这在需要精确性的系统中尤其成问题。理解静态危害对设计者创建在所有条件下都能正常工作的电路至关重要。在设计组合逻辑电路时,工程师旨在根据特定的输入组合实现稳定输出。然而,由于各种门电路中信号传播的固有延迟,输出可能会在输入保持不变时短暂切换状态。这种瞬时变化就是我们所称的静态危害。例如,考虑一个简单电路,它有三个输入:A、B和C。如果电路设计为当A和B都为高时输出高信号(1),那么在信号处理中的任何轻微延迟都可能导致输出在过渡期间在高和低之间闪烁,从而导致静态危害静态危害的影响可能是严重的,特别是在汽车系统、医疗设备和航空航天技术等应用中,故障可能导致灾难性后果。工程师必须采用各种技术来减轻这些危害。一种常见的方法是通过重新设计电路,使用冗余逻辑门或向逻辑表达式中添加额外项,以确保输出在输入轻微波动的情况下保持稳定。这一过程不仅有助于消除静态危害,还增强了系统的整体可靠性。解决静态危害的另一种方法是在设计阶段实施时序分析工具。这些工具可以模拟信号如何在电路中传播,并在物理电路构建之前识别潜在的危害。通过分析每个组件的时序特性,工程师可以做出明智的决定,选择哪些配置将最小化静态危害发生的风险。此外,理解静态危害不仅限于设计阶段;它在测试和验证中也扮演着重要角色。工程师通常会进行严格的测试,以确保电路能够承受各种输入场景而不会经历静态危害。这包括在极端条件下的压力测试以及验证电路的长期性能。通过主动解决静态危害的潜在性,工程师可以显著降低部署系统中意外行为的可能性。总之,静态危害的概念是数字电路设计中的一个基本方面,不能被忽视。随着技术的不断进步和电路复杂性的增加,理解和减轻静态危害的重要性变得更加重要。通过采用战略设计实践、利用先进的仿真工具和进行全面的测试,工程师可以创建可靠且高效的数字系统,使其按预期运行,而不受静态危害的困扰。

相关单词

static

static详解:怎么读、什么意思、用法