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. 03, 2002
Filed:
Feb. 08, 2001
Shigemi Yoshioka, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
There is provided a serial access memory and a data write/read method applicable thereto. The serial access memory is able to function as the prior art FIFO type serial access memory and as the prior art line access type serial access memory, too. This serial access memory is provided with a memory cell array , a write register group , a read register group , and a write/read register group . The write/read register group is made up of write/read registers WRreg- to WRreg-m. These write/read registers are prepared by the same number as that of memory cells (m pieces) connected with each of word lines WL to WLn, in the same way as the write registers Wreg- to Wreg-m forming the write register group and the read registers Rreg- to Rreg-m forming the read register group