Controlling data strobe output

Details Controlling data strobe output Controlling data strobe output

2005-02-01

2005-02-01

Phung, Anh (Department: 2824)

Static information storage and retrieval

Addressing

Sync/clocking

C365S194000

Reexamination Certificate

active

06850458

ABSTRACT:
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.

REFERENCES:
patent: 6556489 (2003-04-01), Gomm et al.
patent: 20030002357 (2003-01-01), Kwon et al.
patent: 20040037159 (2004-02-01), Gomm et al.

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