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Altera_Forum
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11 years ago

TimeQuest Timing Analyzer

First of all, sorry for my poor English, I'm from China. I use the set_net_delay command to specify the delay between a source and destination points. This is the command: "set_net_delay -from [...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

From the "set_net_delay" description http://quartushelp.altera.com/14.1/mergedprojects/tafs/tafs/tcl_pkg_sdc_ext_ver_1.0_cmd_set_net_delay.htm, it is actually not a "constraint" and just provides a report to the specified path according to the your requirement. After being applied, you can find the report in "Report Net Delay" in TimeQuest. To constraint the data path, you can consider using "set_max_delay" http://quartushelp.altera.com/14.1/mergedprojects/tafs/tafs/tcl_pkg_sdc_ver_1.5_cmd_set_max_delay.htm