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, 2001
Filed:
Aug. 26, 1999
Applicant:
Inventors:
Jae Woon Kim, Chungcheongbuk-do, KR;
Jung Yong Lee, Seoul, KR;
Assignee:
Hyundai Micro Electronics Co., Ltd., Chungcheongbuk-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 1/9003 ; H03K 1/9094 ;
U.S. Cl.
CPC ...
H03K 1/9003 ; H03K 1/9094 ;
Abstract
An input buffer circuit for a semiconductor device includes a first input buffer unit having first and second transistors, a second input buffer unit coupled to the first input buffer unit, the second input buffer unit having third and fourth transistors, a control unit for activating one of the first and second input buffer units, and a switching unit having fifth, sixth, and seventh transistors and coupled to the control unit.