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:
Sep. 16, 2014
Filed:
Mar. 11, 2013
Applicant:
Xilinx, Inc., San Jose, CA (US);
Inventors:
Assignee:
Xilinx, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/687 (2006.01);
U.S. Cl.
CPC ...
H03K 17/687 (2013.01);
Abstract
An apparatus includes: a switch having a first transistor, the first transistor having a gate, wherein the switch is connected between a first pad and a second pad; and a first biasing circuit coupled to the gate of the first transistor, wherein the first biasing circuit is configured for outputting a first voltage, the first voltage being the lowest one of (1) a voltage of the first pad, (2) a voltage of the second pad, and (3) a ground voltage; wherein the gate of the first transistor is driven by the first voltage from the first biasing circuit in response to an enable signal being set for configuring the switch to be off.