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Semiconductor memory system using a clock-synchronous semiconductor device and semiconductor memory device for use in the same

  • US 5,896,347 A
  • Filed: 09/08/1997
  • Issued: 04/20/1999
  • Est. Priority Date: 12/27/1996
  • Status: Expired due to Term
First Claim
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1. A semiconductor memory system comprising:

  • at least one semiconductor memory device; and

    a control device for inputting and outputting data from and to said semiconductor memory device,said control device outputting the data to said semiconductor memory device, synchronously with a first synchronizing signal that said control device outputs,said semiconductor memory device outputting the data to said control device synchronously with a second synchronizing signal that said semiconductor memory device outputs, andsaid semiconductor memory device including an output phase shift circuit for keeping a prescribed phase angle between the data from the semiconductor memory device and said second synchronizing signal.

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