This paper briefly describes the problematic metastability in the asynchronous designs and presents a regular solution——synchronizer.

本文主要就异步设计中涉及到亚稳,作简要,并提出常解决办法——即同步器使。

Two methods of polarization now: spin exchange and metastability exchange are reviewed.

了目前极化惰性气体常两种方法——自旋交换光抽运和亚稳能级交换。