Electronic digital logic circuitry – Signal sensitivity or transmission integrity – Bus or line termination
Reexamination Certificate
2006-12-27
2008-10-21
Cho, James H (Department: 2819)
Electronic digital logic circuitry
Signal sensitivity or transmission integrity
Bus or line termination
C326S031000
Reexamination Certificate
active
07439762
ABSTRACT:
An on-die termination circuit includes: a feedback unit for outputting a feedback signal in response to a plurality of code signals corresponding to an input-resistor; a code signal generation unit for generating the plurality of code signals in order for the feedback signal to have a level corresponding to a reference voltage; and a control unit for continuously enabling the feedback unit in response to an initialization signal in order to repeatedly operate the code signal generation unit while the feedback unit is continuously enabled.
REFERENCES:
patent: 6157206 (2000-12-01), Taylor et al.
patent: 7176711 (2007-02-01), Park et al.
patent: 7288959 (2007-10-01), Lee
Blakely & Sokoloff, Taylor & Zafman
Cho James H
Hynix / Semiconductor Inc.
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