logo

For the Inventor, By the Inventor

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.:

US 5901101 B1

PDFFull Text
Date of Patent:
May. 04, 1999

Filed:

Aug. 28, 1997

Semiconductor memory device

Applicant:
Inventors:

Takaaki Suzuki, Kawasaki, JP;

Masao Nakano, Kawasaki, JP;

Hiroyoshi Tomita, Kawasaki, JP;

Yasuharu Sato, Kawasaki, JP;

Kotoku Sato, Kawasaki, JP;

Nobutaka Taniguchi, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:

Nikaido, Marmelstein, Murray & Oram LLP

Primary Examiner:

David Nelms

Assistant Examiner:

Tuan T Nguyen

Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365222 ; 36518901 ; 365233 ;
Abstract

In a semiconductor memory device operable in synchronism with a clock signal externally supplied thereto, there are provided a first part which detects a state of a predetermined signal after a given command is input to the semiconductor memory; and a second part which sets, on the basis of the state of the predetermined signal, the semiconductor memory device to a self-refresh mode in which a refresh operation is carried out without an external signal.

Find Patent Forward Citations

Suzuki, Takaaki. (1999). Semiconductor memory device (U.S. Patent No. 5901101). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5901101

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

Loading…