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:
Dec. 26, 2017

Filed:

Jan. 19, 2016
Applicant:

Integrated Device Technology, Inc., San Jose, CA (US);

Inventors:

Zhigang Hu, Shanghai, CN;

Hui Yu, Shanghai, CN;

Shaokang Wang, Shanghai, CN;

Yuan Zhang, Shanghai, CN;

Yue Yu, Johns Creek, GA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 5/04 (2006.01); H03K 7/08 (2006.01); H03K 5/15 (2006.01); G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
H03K 5/15 (2013.01); G11C 7/1057 (2013.01);
Abstract

An apparatus includes a first circuit and a second circuit. The first circuit may be configured to (i) generate a plurality of delayed signals each as a copy of an input signal shifted in time by a sequence of respective delays based on a control signal and (ii) change a number of driver signals that are active during each delay in the sequence of respective delays based on the input signal and the plurality of delayed signals to control a slew rate of an output signal. The second circuit may be configured to drive the output signal in response to the driver signals.


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