Forum Discussion
Altera_Forum
Honored Contributor
Honored ContributorMetaStability
How long is the duration of metastability in a flipflop? If metastability occurs in one cycle i.e. data edge coincides with clock edge and in the next cycle data is stable at the clock edge, will the...
Altera_ForumHonored Contributor
Honored ContributorTechnically metastability can last forever, which is why it's generally reported as an MTBF, or Mean Time Between Failures. That being said, you can get that MTBF up to trillions of years or more, making it pretty much a guarantee it won't happen.
https://newwww.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/wp/wp-01082-quartus-ii-metastability.pdf That being said, Quartus can analyze metastability, not only by synchronizer but for the whole design: https://newwww.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/hb/qts/qts_qii51018.pdf
