Title :
Comments on "A Note on Synchronizer or Interlock Maloperation"
Author :
Chaney, Thomas J.
Author_Institution :
Computer Systems Laboratory, Washington University
Abstract :
E. G. Wormald´s note1proposes a way to prevent metastable action in synchronizers. Experimental results from testing his suggested circuits show that his solution does not work. A reference to a general proof that synchronizers must have a region of metastable action is given.
Keywords :
Arbiter; asynchronous interactions; flip-flop metastability; glitch; interrupt failure; synchronizer failure; Circuit faults; Circuit testing; Electrical fault detection; Fault detection; Sufficient conditions; Arbiter; asynchronous interactions; flip-flop metastability; glitch; interrupt failure; synchronizer failure;
Journal_Title :
Computers, IEEE Transactions on
DOI :
10.1109/TC.1979.1675252
