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.
Patent No.:
Date of Patent:
Jul. 18, 2006
Filed:
Jun. 07, 2002
Ryoichi Takagi, Tokyo, JP;
Ryoichi Takagi, Tokyo, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
The present invention provides a test system for a semiconductor device, the test system comprising: a test data generator for generating test data, the test data generator being provided in an output section; a delay circuit for, in order to use as expected-value data the test data after the test data is transferred through inside a chip, adjusting a time difference between the test data and the expected-value data; a comparator for, against the expected-value data, comparing and verifying the test data after the test data is transferred outside the chip, the comparator being provided in an input section; and an external wiring for connecting an output pin connected to the test data generator and an input pin connected to the comparator.