General Description: whenever there is latch in the path, path propagation delay will be different under timing analyzer and Xdelay reports.
This is fairly common. The
reason for this is PPR is using its own algorithm to generate the
delays, and xdelay is using a different algorithm to generate the
delays. There is no way to fix the discrepancies. However, we have been
told that xdelay is the tools to believe. It is generating the correct
values.
AR# 4519 | |
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Date | 01/18/2010 |
Status | Archive |
Type | General Article |