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:
Jul. 16, 2019

Filed:

Apr. 05, 2017
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

Doo-Seok Yoon, Suwon-si, KR;

Min-Su Kim, Hwaseong-si, KR;

Chung-Hee Kim, Yongin-si, KR;

Dae-Seong Lee, Busan, KR;

Hyun Lee, Incheon, KR;

Matthew Berzins, Austin, TX (US);

James Lim, Austin, TX (US);

Assignee:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/3177 (2006.01); H03K 3/037 (2006.01); G01R 31/317 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3177 (2013.01); G01R 31/31723 (2013.01); G01R 31/31725 (2013.01); H03K 3/0372 (2013.01);
Abstract

A multi-bit flip-flop includes: a single scan input pin to receive a scan input signal, a plurality of data input pins to receive first and second data input signals, a first scan flip-flop to select one of the scan input signal and the first data input signal as a first selection signal in response to a scan enable signal and to latch the first selection signal to provide a first output signal, a second scan flip-flop to select one of an internal signal corresponding to the first output signal and the second data input signal as a second selection signal in response to the scan enable signal and to latch the second selection signal to provide a second output signal, and a plurality of output pins to output the first and second output signals, wherein scan paths of the first and second scan flip-flops are connected to each other.


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