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:
Jan. 08, 2019

Filed:

Jan. 30, 2017
Applicant:

Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;

Inventor:

Muhammad Nummer, Ottawa, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/15 (2006.01); H03K 5/131 (2014.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
H03K 5/15046 (2013.01); H03K 5/131 (2013.01); H03K 5/15 (2013.01); H03K 5/1508 (2013.01); H03K 2005/00234 (2013.01);
Abstract

A delay circuit includes a plurality of cascaded delay elements responsive to control signals. Each delay element is configurable to receive an input signal on a forward path and return the input signal on two return paths. A control unit is connected to the plurality of cascaded delay elements and configured to generate a first set of control signals for defining a first configuration of the plurality of cascaded delay elements, a second set of control signals for causing a delay element of the plurality of cascaded delay elements to change from a powered off status to a powered on status while configured in an initialization mode, and a third set of control signals for defining a second configuration of the plurality of cascaded delay elements.


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