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. 18, 2020

Filed:

May. 05, 2016
Applicant:

Ariel-university Research and Development Company Ltd., Ariel, IL;

Inventor:

Joseph B. Bernstein, Hashmonaim, IL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2020.01);
U.S. Cl.
CPC ...
G01R 31/2621 (2013.01); G01R 31/2642 (2013.01);
Abstract

A ring oscillator test circuit, includes an odd number of stages, where each stage includes a load and drive transistor connected in series at a common node. The common node of each stage is electrically connected to the drive transistor gate of the following stage, and the common node of the last stage is connected to the drive transistor gate of the first stage. A first voltage input connects to the drains of all the load transistors. A second voltage input connects to the gates of all of the load transistors. A reference voltage input connects to the sources of all of the drive transistors. At least one of the common nodes connects to a test output.


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