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:
Nov. 23, 1993
Filed:
Sep. 17, 1991
Applicant:
Inventors:
Edward Butler, Jonesville, VT (US);
Wayne F Ellis, Jericho, VT (US);
Theodore M Redman, Milton, VT (US);
Endre P Thoma, Colchester, VT (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ;
U.S. Cl.
CPC ...
365201 ; 36518911 ;
Abstract
A signal margin testing system is provided for a memory having a word line voltage boosting circuit which uses a test mode decode circuit to selectively disable the word line boosting circuit and then read out data from storage cells in the memory.