Semiconductor device and semiconductor system
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United States of America Patent
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Oct 16, 2018
Grant Date -
Jan 18, 2018
app pub date -
Sep 11, 2017
filing date -
Jul 12, 2016
priority date (Note) -
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Abstract
A semiconductor system includes a controller operatively coupled to a semiconductor device, the controller being suitable in a training mode for receiving an external signal and a first data signal from an external device and for transmitting the received external signal and the first data signal to the semiconductor device; and the semiconductor device being suitable in the training mode for determining a level of a reference voltage in response to the first data signal, and for transmitting a second data signal to the controller by buffering the external signal based on the reference voltage without performing a termination operation during an output period of the second data signal, wherein the controller controls an enable timing of the external signal by receiving the second data signal.
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