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:
May. 13, 2008
Filed:
Oct. 04, 2005
Serge F. Fruhauf, Cupertino, CA (US);
Alain C. Pomet, Rousset, FR;
Serge F. Fruhauf, Cupertino, CA (US);
Alain C. Pomet, Rousset, FR;
STMicroelectronics, Inc., Carrollton, TX (US);
STMicroelectronics S.A., , FR;
Abstract
An apparatus includes a plurality of macrocells formed from logic capable of performing one or more functions. The apparatus also includes a clock tree capable of receiving a clock signal and providing at least one copy of the clock signal to each macrocell. The clock tree includes a local branch within each macrocell, where each local branch is capable of providing at least one copy of the clock signal. In addition, the apparatus includes at least one glitch detection circuit capable of detecting a glitch in one or more copies of the clock signal provided by the local branches in the macrocells.