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:
Dec. 12, 1995
Filed:
Apr. 11, 1994
Applicant:
Inventors:
Larry L Byers, Apple Valley, MN (US);
Aaron C Peterson, St. Paul, MN (US);
Joseph G Kriscunas, Blaine, MN (US);
Gerald J Maciona, Mounds View, MN (US);
Jeff A Engel, Chisago City, MN (US);
Assignee:
Unisys Corporation, Blue Bell, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
39518308 ; 365201 ;
Abstract
An apparatus for efficiently testing a plurality of memory devices at the board level. The logic for the present invention is minimal and can be placed on a controller chip within the board design. In addition, the interconnect lines between the controller chip and each of the plurality of memory devices can also be tested. Finally, the present invention requires minimal setup time and performs a functional test of the memories in a very short period of time.