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Synchronizing State Machines Running on Different Frequency Clocks

IP.com Disclosure Number: IPCOM000038044D
Original Publication Date: 1989-Oct-01
Included in the Prior Art Database: 2005-Jan-31

Publishing Venue

IBM

Related People

Authors:
Bailey, RN Peterson, MJ [+details]

Abstract

Disclosed is a method by which synchronous state machines operating on different frequency clocks can communicate their 'states' across the asynchronous boundary. This circuit guarantees that no ambiguous 'states' will be received.