AnsweredAssumed Answered

syntax for formulas

Question asked by dan.barbour on Jun 25, 2014
Latest reply on Jun 25, 2014 by john_dube

I cannot figure out the syntax for entering a formula that uses Pin-Pairs.  The CES Help  shows syntax like

 

<{\NET01\} - Length or delay must be less than that of NET1.

 

and a pin pair seems to be described like this

 

a pin pair (for example, \U1\-\3\@\U2\-\3\)

 

So if  wanted a net to be constrained to be less than a specific section of a different net (DQS needs to be shorter than the CK signal from the controller to the IC connection, ignoring the length to the Vtt termination)

 

It would seem that I should put something like this in the Formula Field for the DQS net so that the DQS is always less than the pin pair segment.

 

<{\U1\-\BA8\@\U23\-\J27\}

 

But I must be missing something because it indicates that this is in error.  Can anyone help correct this?

 

Thanks.

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