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. 13, 1994
Filed:
Sep. 25, 1991
Applicant:
Inventor:
Chang W Ha, Geumjeong-Ku, KR;
Assignee:
Hyundai Electronics Co., Ltd., Kyoungkido, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ; G06F / ;
U.S. Cl.
CPC ...
371 222 ; 371 221 ; 36496576 ;
Abstract
In accordance of the invention, the Erasable and Programmable Logic Device comprising a test circuit of the input architectures is provided. The test circuit comprises an extra test line 39, a plurality of EPROM transistors 34 having respectively the drain thereof connected to the extra test line and the gate thereof connected to a true input line provided from said one input architecture, sensing means 36 connected to the extra test line for sensing the state of the extra test line, and a buffer circuit 37 connected to the sensing means.