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.

Date of Patent:
May. 21, 1996

Filed:

Nov. 15, 1994
Applicant:
Inventors:

Koichiro Ishibashi, Kodaira, JP;

Kiyotsugu Ueda, Hachioji, JP;

Kunihiro Komiyaji, Hachioji, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365207 ; 365208 ; 36518911 ; 327 56 ;
Abstract

In a semiconductor memory device, amplification of data is realized with a high speed without influences of fluctuations at fabrication. Potentials of a common data line pair are set at a reference voltage by current negative feedback of differential amplifiers. In this way signal amplitude in the common data line pair is decreased. A current from a memory cell is transformed into a voltage by transistors in a negative feedback loop. Even if there are fluctuations or an offset voltage in the differential amplifiers, it is possible to decrease the signal amplitude in the common data line pair and to realize a high speed data amplification with low electric power consumption.


Find Patent Forward Citations

Ishibashi, Koichiro. (1996). Semiconductor memory device (U.S. Patent No. 5519662). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5519662

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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