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:
Mar. 21, 1995
Filed:
Jan. 05, 1993
Applicant:
Inventors:
Shigeharu Murata, Ohme, JP;
Takasi Oomori, Hatano, JP;
Masami Usami, Ohme, JP;
Masato Iwabuchi, Hachiohji, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
327 94 ; 327204 ;
Abstract
A hold-type latch circuit which features an increased operation margin. A feedback circuit feeds the data output logic state of a non-inversion data output terminal of the latch circuit back to a data input terminal thereof, to increase a margin in the setup time ts and holding time th in controlling the data holding capability of the latch circuit, thereby to increase the margin of thereof.