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:
Aug. 21, 2001
Filed:
Mar. 10, 2000
Atsushi Takasugi, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
A serial access memory reduces a chip size and saves a process development. The serial access memory has first decoders that output first selection signals in response to a received address signal, write registers for temporarily storing data, a first switch that is connected between the write data buses and the write registers and provides conduction between the write data buses and the write registers in response to the first selection signals, a memory array having memory cells and a plurality of memory columns wherein the memory cells are connected through word lines, and a second switch that is connected between the write registers and the memory columns and provides conduction between the write registers and the memory columns in response to second selection signals, wherein the write registers are connected to a predetermined number of the memory columns, and the second switch provides conduction between the write registers and only one of the present invention number of the memory columns in response to the second selection signals.