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:
May. 21, 2019

Filed:

Aug. 04, 2017
Applicant:

Sandisk Technologies Llc, Plano, TX (US);

Inventors:

Wanfang Tsai, Palo Alto, CA (US);

Hung-Szu Lin, Fremont, CA (US);

Yi-Fang Chen, Milpitas, CA (US);

Assignee:

SanDisk Technologies LLC, Addison, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/44 (2006.01); H03K 23/40 (2006.01);
U.S. Cl.
CPC ...
G11C 29/44 (2013.01); H03K 23/40 (2013.01);
Abstract

Apparatuses and techniques for counting 0 or 1 bits in a set of bits using both serial and parallel processes. The counting process includes a hierarchy in which the count from different parallel processes at one level in the hierarchy are passed to a smaller number of different parallel processes at a lower level in the hierarchy. A final count is obtained by an accumulator below the lowest level of the hierarchy. The position and configuration of the circuits can be set to equalize a number of circuits which process the different bits, so that a maximum delay relative to the accumulator is equalized.


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