Williams, Morgan & Amerson, P.C.
Controlling data strobe output
A method and apparatus is provided for controlling a data strobe. A latency of operation relating to a data operation of a device is determined. A delay lock loop signal is generated for the data operation of the device. The delay lock loop signal is compared to an external clock to determine a phase difference. A determination is made as to whether the delay lock loop signal is early based upon the phase difference. A signal is adjusted in response to the latency of operation is performed based upon the determination that the delay lock loop signal is early.
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