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Data input device of semiconductor memory device

  • US 7,450,466 B2
  • Filed: 06/30/2006
  • Issued: 11/11/2008
  • Est. Priority Date: 09/29/2005
  • Status: Active Grant
First Claim
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1. A data input device of a semiconductor memory device, comprising:

  • a bandwidth signal input part for receiving a bandwidth signal for setting a data bandwidth to output an internal bandwidth signal;

    a synchronization control part for generating synchronization signals and restrict-synchronization signals in synchronization with a data strobe signal, an activation of the restrict-synchronization signals being restricted through the internal bandwidth signal;

    a first data input part for aligning the data in response to the synchronization signals; and

    a second data input part for aligning the data in response to the restrict-synchronization signal and the internal bandwidth signal.

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