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.

Date of Patent:
Aug. 20, 2002

Filed:

Dec. 06, 2000
Applicant:
Inventors:

Dae-yun Shim, Kwangmyong, KR;

Won-chan Kim, Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03L 7/00 ;
U.S. Cl.
CPC ...
H03L 7/00 ;
Abstract

A clock generating circuit for compensating for a delay difference using a closed loop analog synchronous mirror delay structure is provided. The clock generating circuit divides a delay clock signal and a reference clock signal to generate first and second divided signals, and synchronizes an internal clock signal with the reference clock signal using the first and the second divided signals, at the initial stage of an operation. After predetermined clock cycles, the clock generating circuit divides the internal clock signal to generate the first and the second divided signals. The quick synchronization of the internal clock signal with the reference clock obviates any error which may occur between the delay time of a mirror delay circuit and the delay time of an actual circuit.


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