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US 8,576,640 B2Granted
Data output apparatus and method for outputting data thereof
AssigneeSK hynix Inc.
InventorHo-Uk Song
Life of this patent
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Abstract
A data output apparatus includes a driver driving unit configured to generate driving signals by using input data when a data output enable signal is enabled, a data driver unit configured to drive an output terminal to a level corresponding to the input data in response to the driving signals to generate output data, and an output data level control unit configured to open a current path to control a level of the output data, wherein the current path is different from a current path for driving the output terminal to a level corresponding to the input data.
Claims6
A method for outputting data in a data output apparatus, comprising:
- generating driving signals from input data;
- driving an output terminal to a level corresponding to the input data in response to the enabled driving signals to generate output data;
- and
- restricting a variation width of voltage level of the output data by forming a current path.
1 more element
Dependencies are inferred from the claim text.