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:
May. 09, 1995
Filed:
Dec. 23, 1993
Applicant:
Inventors:
Katsuya Nakashima, Nagasaki, JP;
Hisanobu Tsukazaki, Nagasaki, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
3652257 ; 365190 ; 365201 ; 365200 ;
Abstract
A memory device comprising a memory cell for storing data, at least one bit line connected to the memory cell, and a switch normally held in a first condition connecting the bit line to a voltage source. The switch is in a second condition disconnecting the bit line from the voltage source in the presence of a control signal. The memory device also includes a program device for producing the control signal to change the switch from the first condition to the second condition when the bit line has a leakage trouble.