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:
Jul. 14, 2009

Filed:

Jan. 29, 2008
Applicants:

Kee Chee Tiew, Richardson, TX (US);

Brett Smith, McKinney, TX (US);

Abidur Rahman, Allen, TX (US);

Inventors:

Kee Chee Tiew, Richardson, TX (US);

Brett Smith, McKinney, TX (US);

Abidur Rahman, Allen, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03L 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods and apparatus to reduce propagation delay of circuits are disclosed. A disclosed apparatus to reduce propagation delay of a circuit comprises a level shifter to selectively turn a first circuit on and off; a first switch to couple the first circuit to a second circuit when the first circuit is on, wherein the second circuit is to selectively receive a first current from the first circuit based on a signal the second circuit receives from the level shifter; and a second switch to couple the first circuit to a reference signal based on the first current, the second switch causing the first circuit to start to turn off.


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