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.

Date of Patent:
Sep. 13, 2016

Filed:

Nov. 22, 2013
Applicant:

Altera Corporation, San Jose, CA (US);

Inventor:

Christopher F. Lane, San Jose, CA (US);

Assignee:

Altera Corporation, San Jose, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/38 (2006.01); H03K 19/00 (2006.01);
U.S. Cl.
CPC ...
H03K 19/0016 (2013.01);
Abstract

Integrated circuits are provided with circuitry such as multiplexers that can be selectively configured to route different power supply voltages to different circuit blocks on the integrated circuits. The circuit blocks may contain memory elements that are powered by the power supply voltages and that provide corresponding static output control signals at magnitudes that are determined by the power supply voltages. The control signals from the memory elements may be applied to the gates of transistors in the circuit blocks. Logic on an integrated circuit may be powered at a given power supply voltage level. The memory elements may provide their output signals at overdrive voltage levels that are elevated with respect to the given power supply voltage level during high speed operation and may provide their output signals at relatively lower voltage levels that are less than the overdrive voltage during low power operation.


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