Sun Microsystems, Inc.

Daniel Y Cheung

Kevin B Normoyle

Massimo Sutera

Lan Lee

Sung-Hun Oh

Shi-Chin Ou-Yang

David A Bunsey, Jr

Ivana Capellano

In an embodiment, present application describes a system and method to detect the alignment of multiple clocks in multi-clock domains system. In some variations, multiple clocks are derived from one or more reference clocks using various PLLs. The derived clocks maintain frequency relationship with the reference clock. In some variations, a relationship between the frequencies of various clocks is used to generate the alignment signals in the domain of one of the clocks.

Method and circuitry for phase align detection in multi-clock domain

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Cupertino, CA, United States of America

Daniel Y Cheung