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. 03, 2000
Filed:
Aug. 19, 1999
Applicant:
Inventors:
Min-Young You, Choongcheongbuk-do, KR;
Jong-Hoon Park, Choongcheongbuk-do, KR;
Assignee:
Hyundai Electronics Industries Co., Ltd., Ichon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365156 ; 365154 ; 365205 ;
Abstract
A hybrid memory device according to the present invention has a RAM cell and a ROM cell that separately operate, and is capable of loading data in the ROM cell to the RAM cell. In such a hybrid memory device, to transfer the data in the ROM cell to common bit lines, transistors are respectively provided between the bit lines and the ROM cell. Accordingly, even when loading the data in the ROM cell to the RAM cell, the RAM and ROM cells can be separately operated.