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. 08, 1981
Filed:
Dec. 19, 1978
Applicant:
Inventors:
Assignees:
Nippon Telegraph and Telephone Public Corp., Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ;
U.S. Cl.
CPC ...
365181 ; 3072 / ; 307284 ; 307288 ; 365180 ;
Abstract
A memory circuit comprising a memory cell for storing information, constituted of semiconductor circuit elements and the associated circuit elements, and a control input section provided on the input side of the memory cell for controlling the memory cell, constituted of transistor means and current control means, wherein one of ON and OFF states is selected and also held in accordance with more than two logic input signals supplied to the control input section and no power is consumed to hold the OFF state.