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. 25, 2014
Filed:
Jul. 17, 2012
Brian William Reed, San Jose, CA (US);
Brian William Reed, San Jose, CA (US);
ARM Limited, Cambridge, GB;
Abstract
Level shifting circuitry is provided for generating an output signal in response to an input signal. The level shifting circuitry includes a pulldown path for pulling the output signal to a lower output voltage level in response to a first transition of the input signal and a pullup path for pulling the output signal to a higher output voltage level in response to a second transition of the input signal. Pullup control circuitry places the pullup path in a non-conductive state in response to the output signal being pulled to the higher output voltage level. A keeper path keeps the output signal at the higher output voltage level while the pullup path is non-conductive until the pulldown path pulls the output signal low. A maximum drive current of the pulldown path is greater than a maximum drive current of the keeper path.