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. 20, 1991
Filed:
Mar. 22, 1990
Applicant:
Inventor:
Richard C Foss, Kirkcaldy Fife, GB;
Assignee:
Mosaid, Inc., Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
36523004 ; 36518912 ; 36518904 ;
Abstract
A dynamic random access memory having a serial access data port. A plurality of complimentary bitline pairs are provided for receiving data signals from a plurality of memory cells, and a plurality of latches are connected to respective ones of the bitline pairs for periodically sensing and restoring the data signals in the memory cells. Predetermined ones of the latches are connected together via a plurality of isolation transfer gates which are enabled according to a predetermined timing sequence for unidirectionally shifting the data signals therebetween according to a master-slave action.