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:
Aug. 16, 2016

Filed:

Apr. 16, 2014
Applicant:

Synopsys, Inc., Mountain View, CA (US);

Inventors:

Anshuman Chandra, Sunnyvale, CA (US);

Subramanian B. Chebiyam, Sunnyvale, CA (US);

Jyotirmoy Saikia, Bangalore, IN;

Parthajit Bhattacharya, Bangalore, IN;

Rohit Kapur, Cupertino, CA (US);

Assignee:

Synopsys, Inc., Mountain View, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/3185 (2006.01); G01R 31/3177 (2006.01); G06F 11/27 (2006.01); G01R 31/3187 (2006.01);
U.S. Cl.
CPC ...
G01R 31/318547 (2013.01); G01R 31/3177 (2013.01); G01R 31/3185 (2013.01); G01R 31/3187 (2013.01); G01R 31/318536 (2013.01); G01R 31/318541 (2013.01); G01R 31/318544 (2013.01); G01R 31/318566 (2013.01); G06F 11/27 (2013.01);
Abstract

Operating a scan chain of a test circuit of an integrated circuit to have either a single fanout or multiple fanout to a compressor. The test circuit receives a fanout control signal for configuring the fanout of the scan chain. If the fanout control signal indicates configuring of the scan chain with a single fanout, the output of the scan chain is sent to one input of a compressor. If the fanout control signal indicates configuring of the scan chain with multiple fanout, the output of the scan chain is sent to multiple inputs of the compressor.


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