Method for generating read enable signal and memory system...

Details Method for generating read enable signal and memory system... Method for generating read enable signal and memory system...

2011-07-19

2011-07-19

Lam, David (Department: 2827)

Static information storage and retrieval

Read/write circuit

Signals

C365S189050, C365S189150

Reexamination Certificate

active

07983100

ABSTRACT:
A method for generating a read enable signal which is for controlling reading of a pair of data strobe signals and a data signal in a memory system is provided. The method comprises: detecting whether the pair of data strobe signals are both high or low; and generating the read enable signal if the pair of data strobe signals are detected being both high or low. Because the read enable signal is generated using the pair of strobe signals, DLL can be turned off, thus the power consumption of the memory system can be reduced. In addition, the read enable signal is self-aligned with a certain point of the pair of strobe signals, this may enhance precision of the transmission of the pair of strobe signals and the data signal.

REFERENCES:
patent: 6671211 (2003-12-01), Borkenhagen et al.
patent: 7782685 (2010-08-01), Kim et al.

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