Semiconductor device, semiconductor system with the semiconductor device and method of driving the semiconductor system capable of performing refresh operations in units of groups of semiconductor devices
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United States of America Patent
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Dec 4, 2018
Grant Date -
Jun 23, 2016
app pub date -
May 11, 2015
filing date -
May 11, 2015
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Abstract
A semiconductor device includes a first control block suitable for selectively blocking a refresh command signal based on a period signal having a predetermined activating pattern and a predetermined mode signal activated in a predetermined mode to generate a refresh group signal; and a second control block suitable for controlling a refresh operation based on the refresh group signal.
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