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What is timing window???

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ee_liujian

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timing window

In backend design, timing window can affect the nosie delay caculations.
What is timing window and how it affect the noise ?
Can any one give out a discription or give a web link to explain it?
Some one said, for some reason, the signal come to a point not at a exact time, but a timing window?
Thanks!
 

what is timing window

hi friend, Timing window of a signal is nothing but a signal arrival time and slew rates. During noise analysis if u provide timing window file then the analysis will be real and accurate otherwise tool proceeds in a pessimistic manner and shows false noise...
 

timing window noise

yes ,you can also use setup and hold time to define timing window!
 

timing window analysis

It's used for I/O timing check.
You define timing widnow by setting the time of data will be stable before clock pose edge and will be unstable after clock pose edge.
 

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