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:
Feb. 17, 2015
Filed:
Apr. 05, 2010
Mikael Rien, St Ismier, FR;
Jean-claude Duby, Saint Egreve, FR;
Flora Leymarie, Claix, FR;
Fabrice Blanc, Vinay, FR;
Thierry Padilla, Claix, FR;
Mikael Rien, St Ismier, FR;
Jean-Claude Duby, Saint Egreve, FR;
Flora Leymarie, Claix, FR;
Fabrice Blanc, Vinay, FR;
Thierry Padilla, Claix, FR;
ARM Limited, Cambridge, GB;
Abstract
Circuitry comprises a high voltage rail providing a high voltage level corresponding to a higher voltage domain, an intermediate voltage source, a low voltage rail, and devices that operate in a lower voltage domain. First devices in an upper voltage region are powered between the high voltage rail and an intermediate voltage rail powered by the intermediate source. Second devices in a lower voltage region are powered between the intermediate and low rails. On power up, the intermediate source is powered before the high voltage rail. An isolating circuit connects the intermediate source to a node when the high voltage rail is powered and isolates the node from the intermediate source when the high voltage rail is not powered to impede current flow from the intermediate source to the high voltage rail.