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:
Oct. 23, 2018

Filed:

Aug. 23, 2016
Applicant:

Sandisk Technologies Llc, Plano, TX (US);

Inventors:

Xinmiao Zhang, Mercer Island, WA (US);

Alexander Bazarsky, Holon, IL;

Ran Zamir, Ramat Gan, IL;

Eran Sharon, Rishon Lezion, IL;

Idan Alrod, Herzliya, IL;

Omer Fainzilber, Herzliya, IL;

Sanel Alterman, Sunnyvale, CA (US);

Assignee:

SanDisk Technologies LLC, Addison, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 13/00 (2006.01); H03M 13/11 (2006.01); G06F 11/10 (2006.01); G11C 29/52 (2006.01);
U.S. Cl.
CPC ...
H03M 13/1111 (2013.01); G06F 11/1068 (2013.01); G11C 29/52 (2013.01); H03M 13/114 (2013.01);
Abstract

In an illustrative example, a decoder includes a variable node unit (VNU) that includes a variable-to-check lookup table circuit configured to output a variable-to-check message corresponding to a check node. The VNU also includes a hard-decision lookup table circuit configured to output a hard decision value corresponding to a variable node. The decoder also includes a check node unit (CNU) responsive to the variable-to-check message and configured to generate an updated check-to-variable message.


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