Answers Database


M1 PERIOD placed on net between PAD and IBUF not analyzed


Record #3015

Product Family: Software

Product Line: FPGA Implementation

Product Part: map

Product Version: 1.3.

Problem Title:
M1 PERIOD placed on net between PAD and IBUF not analyzed


Problem Description:
Urgency: standard

General Description:

For the following arrangement:
Solution 1:

Like the TNM, the PERIOD constraint should also be placed on the output of an IBUF:

NET clock PERIOD = 10 ns;

A PERIOD constraint may be placed on the net between the IPAD
and BUFG; the above restriction only applies to IPAD to IBUF
connections.




End of Record #3015 - Last Modified: 11/12/98 12:58

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