Electronic digital logic circuitry – Interface – Current driving
Reexamination Certificate
2006-12-26
2006-12-26
Tran, Anh Q. (Department: 2819)
Electronic digital logic circuitry
Interface
Current driving
C326S082000, C326S090000, C326S126000
Reexamination Certificate
active
07154301
ABSTRACT:
A method and apparatus for a low jitter predriver for differential output drivers. In one embodiment, the predriver comprises a pull-up circuit having at least one pull-up device of a first device type and a pull-down circuit having at least one pull-down device of the first device type In one embodiment, the pull-up circuit and the pull-down circuit to charge an output node and a complement output node in opposite directions to generate a differential predriver signal pair. Accordingly, using the pull-up and pull-down circuits, the predriver circuit generates differential output signals. In one embodiment, the pull-up device and the pull-down device comprise N-channel metal oxide semiconductor (NMOS) devices. Other embodiments are described and claimed.
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Blakely , Sokoloff, Taylor & Zafman LLP
Tran Anh Q.
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