The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 04, 2003
Filed:
Sep. 30, 1999
Steven C. Miller, Livermore, CA (US);
Michael B. Galles, Los Altos, CA (US);
David M. Parry, San Jose, CA (US);
Jon C. Gibbons, San Francisco, CA (US);
Silicon Graphics, Inc., Mountain View, CA (US);
Abstract
A data synchronizer ( ) receives a data ready signal ( ) at a selector ( ). The selector ( ) selects either the data ready signal ( ) or a delayed version of the data ready signal ( ) in response to a speed select signal ( ) determined according to a clock speed of a receive core clock ( ). The selector ( ) provides a select signal ( ) to a first latch unit ( ) and a second latch unit ( ). The first latch unit ( ) generates a latched select signal (A) that is provided as a receive data valid signal ( ) by a signal generator ( ) in response to a slow clock rate for the receive core clock ( ). The second latch unit ( ) generates a delayed select signal (B) that is used by the signal generator ( ) to remove an extra width inserted into the latched select signal (A) prior to providing the receive data valid signal ( ) in response to a fast clock rate for the receive core clock ( ).