Title:
DUTY RATIO CORRECTION CIRCUIT
Document Type and Number:
Japanese Patent JP2013066229
Kind Code:
A
Abstract:
To provide a duty ratio correction circuit that is capable of correcting a duty ratio by using an activation edge of an incoming external clock signal.
A duty ratio correction circuit includes: duty control means for generating an internal clock signal having a duty ratio defined according to a first reference clock signal and a reset signal; and reset signal generation means for generating the reset signal in response to a second reference clock signal and the internal clock signal fed back thereto.
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Inventors:
YOON DAE-KUN
SONG TAEK-SANG
SONG TAEK-SANG
Application Number:
JP2012266405A
Publication Date:
April 11, 2013
Filing Date:
December 05, 2012
Export Citation:
Assignee:
SK HYNIX INC
International Classes:
H03K5/05
Domestic Patent References:
JP2007228589A | 2007-09-06 | |||
JP2007097182A | 2007-04-12 | |||
JPH0314316A | 1991-01-23 | |||
JPH0888545A | 1996-04-02 |
Attorney, Agent or Firm:
Hiroshi Okawa
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