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.:

US 10454723 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 22, 2019

Filed:

Jul. 12, 2018
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Marcel A. Kossel, Reichenburg, CH;

Vishal Khatri, Bangalore, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/30 (2006.01); H04L 25/03 (2006.01); G11C 11/4093 (2006.01); G11C 11/4076 (2006.01);
U.S. Cl.
CPC ...
H04L 25/03057 (2013.01); G11C 11/4076 (2013.01); G11C 11/4093 (2013.01);
Abstract

Embodiments relate to a decision feedback equalizer configured for a half-rate operation. The decision feedback equalizer includes a single summer stage and a direct feedback path configured to provide feedback to the single summer stage. The decision feedback equalizer further includes an even sampler configured to sample even data of an output signal of the single summer stage, an odd sampler configured to sample odd data of the output signal of the single summer stage and a plurality of 2:1 multiplexers arranged in the direct feedback path. The plurality of 2:1 multiplexers are configured to feed the even and odd data in an alternating manner back to the single summer stage, thereby adapting the feedback to the half-rate operation of the decision feedback equalizer. A corresponding memory system and design structure are also provided.


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Kossel, Marcel. (2019). Decision feedback equalizer (U.S. Patent No. 10454723). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10454723

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