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. 31, 2001
Filed:
Nov. 16, 1998
Applicant:
Inventors:
Tadayuki Shimizu, Tokyo, JP;
Kunihiko Kozaru, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 3/128 ;
U.S. Cl.
CPC ...
G01R 3/128 ;
Abstract
A semiconductor device includes a sense amplifier which becomes able to amplify a signal when receiving a read enable signal; a delay unit which can provide a plurality of transmission paths having different delay times and which propagates the read enable signal through a transmission path corresponding to a selection signal among the plurality of transmission paths; a selection signal generation circuit capable of generating the plurality of selection signals; and a JTAG boundary scan test circuit which brings the selection signal generation circuit into operation in accordance with a instruction.