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				Article: DD002 Index Why use 2 Registers to Synchronize an Asynchronous Input? Author: Rich Iachetta, IBM Corporation Publisher: Usenet / DejaNews Publication Date: 22 April, 1997 Download: metastability.txt (Usenet text, 4 kB) Crosslink: Technology Resources Searchable Archives of HDL and EDA Newsgroups DESCRIPTION: Iachetta's brief, yet succinct Usenet article describes why it's important to use two flip-flops to synchronize an asynchronous input.  Check out the crosslink for more information on how to search the newsgroups for useful design information. QUALIS DESIGN CORPORATION 5335 SW Meadows Suite 450 Lake Oswego, OR 97035 USA 503.670.7200 - fax 503.670.0809 ©1997-1998 Qualis Design Corporation