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Data strobe signal output driver for a semiconductor memory apparatus

  • US 8,441,870 B2
  • Filed: 07/29/2010
  • Issued: 05/14/2013
  • Est. Priority Date: 04/12/2010
  • Status: Expired due to Fees
First Claim
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1. A data strobe signal output driver comprising:

  • a trigger block configured to receive a first signal, a second signal, a first clock and a second clock, and to output a predrive signal based thereon;

    a predriver block configured to receive the predrive signal, a driver off signal and a termination enable signal, and to output a first main drive signal and a second main drive signal based thereon and configured to determine an operation mode in response to the driver off signal and the termination enable signal; and

    a main driver block configured to output a data strobe signal based on the first and second main drive signals.

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