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:
Sep. 10, 2002
Filed:
Oct. 09, 2001
Applicant:
Inventor:
Hideo Akiyoshi, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 7/00 ;
Abstract
Provided are first to fourth switch circuits of the same configuration as each other, each connected to complementary bus lines DB and *DB to be precharged to the same potential. In the-first switch circuit, switches and are connected between an input data signal line SI and the DB and between an input data signal line *SI and the *DB, respectively, and dummy switches and are connected between the SI and the *DB and between the *SI and the DB, respectively. Switches to are selectively on/off controlled by outputs of a decoder whereas dummy switches to are normally off.