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:
Oct. 09, 2001
Filed:
Mar. 22, 2000
Applicant:
Inventor:
Ryuji Tanaka, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 ; G01R 3/1317 ;
U.S. Cl.
CPC ...
G11C 7/00 ; G01R 3/1317 ;
Abstract
A semiconductor memory includes a memory having a plurality of input/output terminals for inputting/outputting parallel data: a parallel/serial conversion circuit connected to said parallel terminals of said memory so as to convert said parallel data of said memory into serial data and input/output the serial data; a plurality of test terminals connected to said parallel terminals of said memory, respectively; and a switch control circuit arranged between said parallel terminals of said memory and said parallel/serial conversion circuit, for disabling said parallel/serial conversion circuit.