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:
Mar. 30, 2004
Filed:
Jun. 14, 2002
Applicant:
Inventors:
Byong-Kwon Lee, Suwon, KR;
Kwang-Jin Lee, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 1/900 ; H03K 1/9003 ;
U.S. Cl.
CPC ...
H03K 1/900 ; H03K 1/9003 ;
Abstract
An apparatus and method for controlling an input termination of a semiconductor memory device that easily detect and analyze defects, functions and reliability of the device by controlling operations of the input termination. The apparatus comprises an input termination circuit for matching an impedance of a transmission line, a control circuit for processing test commands and outputting control signals in response to said processing, and a switching circuit for selectively turning on/off the input termination circuit in response to the control signals output from the control circuit.