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. 01, 1990
Filed:
Feb. 10, 1989
Kurt Hoffmann, Taufkirchen, DE;
Oskar Kowarik, Grafing, DE;
Rainer Kraus, Munich, DE;
Bernhard Lustig, Munich, DE;
Hans-Dieter Oberle, Puchheim, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A redundancy decoder of an integrated semiconductor memory having a plurality of decoder stages containing a switching transistor and a separable connection having respective conditions in which the separable connection is severed and intact, as well as at least one charging transistor, comprising, in each of the decoder stages, an addressing circuit connected to and between the switching transistor and the separable connection of the respective decoder stages, the addressing circuit being electrically simulatable when the respective separable connection is in the intact condition thereof.