Metastability

[nbucska]

Metastability is "cured" by a 2-3 stage shift register.

How is the probability affected, if there is a gate or a buffer between two FF=s which has delay and gain ? Formula ?

 

[jbartos]

Suggestion:
1. Visit

http://www.ibc.wustl.edu/molnar_c/metastability/metastability-lecture.html

for more info
2. More info: "Probability of what?"

 

[nbucska]

1.) The given link contains only excerpts of a lecture.
2.) There is a formula to calculate the probability of metastability but it deals only with FF directly connected.
A delay should increase the probability of M. and a gain should decrease it. But how much???

 

[jbartos]

Suggestion: Visit

http://edis.win.tue.nl/bibl.html

for essentially delay insensitive bibliography; however, some references are general. They might include both.
Incidentally, the web site in my previous posting gives a hint how to accomplish the delays, namely, over a counter of the clock pulses.
Also, visit

http://www.cs.uiuc.edu/Dienst/UI/2.0/Page/ncstrl.uiuc_cs/UIUCDCS-R-2000-2187/3

http://cs.usc.edu/~agoel/research.html

http://www.networkcomputing.com/803/803f2.html

for more info.