true path false path

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true path false path

This approach leaves a significant number of timing paths which may not be real, but these never get identified, since they may not come up in ...,False Path. Timing analysis problems. We want to determine the true critical paths of a circuit in order to: To determine the minimum cycle time that the circuit will ... ,False path is a very common term used in STA. It refers to a timing path which is not required to be optimized for timing as it will never be required to get captured ... ,Problems. ▫ We want to determine the true critical paths of a circuit in order to ... □Don't want false paths (produced by static delay analysis). □Delay model is a ... ,... set to true. Then I need to use 'set_false_path' to let STA to ignore the paths from the source clock domain to the first back to back flip-floops. ,The path through the upper input is a true path. Even if the false path is longer than any true path, it won't determine the network's combinational delay because ... ,A path is false if it cannot support the propagation of a switching event. In estimating the timing behavior of a circuit, we would like to find the slowest true path. ,如圖例,由clk1 與clk2 之間需符合(檢查) SDC 所設定的clock period ,是為true timing path 。 clk1與clk2 、 clk2 與clk3 之間則不需要,互相是為false path 。這樣簡單 ... ,简单讲,跨时钟之间信号传送,如果经过meta stability flop(或者FIFO等类似的东西),就是false path, 如果直接送,就是real path ...

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true path false path 相關參考資料
Basics of multi-cycle & false paths - EDN

This approach leaves a significant number of timing paths which may not be real, but these never get identified, since they may not come up in ...

https://www.edn.com

False Path

False Path. Timing analysis problems. We want to determine the true critical paths of a circuit in order to: To determine the minimum cycle time that the circuit will ...

http://www.cs.nthu.edu.tw

False paths basics and examples - VLSI UNIVERSE

False path is a very common term used in STA. It refers to a timing path which is not required to be optimized for timing as it will never be required to get captured ...

https://vlsiuniverse.blogspot.

Logic Synthesis and Verification Timing Analysis & Optimization

Problems. ▫ We want to determine the true critical paths of a circuit in order to ... □Don't want false paths (produced by static delay analysis). □Delay model is a ...

http://cc.ee.ntu.edu.tw

Solved: How to find the signals for false path constrain i ...

... set to true. Then I need to use 'set_false_path' to let STA to ignore the paths from the source clock domain to the first back to back flip-floops.

https://forums.xilinx.com

Static Timing Analysis - 2016 CAD Contest

The path through the upper input is a true path. Even if the false path is longer than any true path, it won't determine the network's combinational delay because ...

https://cad-contest-2016.el.cy

The False Path Problem

A path is false if it cannot support the propagation of a switching event. In estimating the timing behavior of a circuit, we would like to find the slowest true path.

https://link.springer.com

Timing exception: False path @ 工程師的碎碎唸:: 隨意窩Xuite ...

如圖例,由clk1 與clk2 之間需符合(檢查) SDC 所設定的clock period ,是為true timing path 。 clk1與clk2 、 clk2 與clk3 之間則不需要,互相是為false path 。這樣簡單 ...

https://blog.xuite.net

请问在跨时钟域时的real path和false path分别指的是什么呢? - 后端讨 ...

简单讲,跨时钟之间信号传送,如果经过meta stability flop(或者FIFO等类似的东西),就是false path, 如果直接送,就是real path ...

http://bbs.eetop.cn