Method of self-refresh in large memory arrays

Details Method of self-refresh in large memory arrays Method of self-refresh in large memory arrays

2005-09-13

2005-09-13

Moazzami, Nasser (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C365S222000

Reexamination Certificate

active

06944708

ABSTRACT:
A method of self-refresh in a memory array includes initializing a programmable refresh counter of a memory module to an offset value from at least another memory module in the memory array. A data line carrying a system-wide self-refresh indicator signal is interrogated to determine whether any memory module is in a self-refresh mode. The self-refresh mode for the memory module is entered if the programmable refresh counter indicates that a self-refresh cycle is due, and it is determined that no other memory modules are in the self-refresh mode.

REFERENCES:
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patent: 6507532 (2003-01-01), Fujino et al.
patent: 6650587 (2003-11-01), Derner et al.
patent: 6678195 (2004-01-01), Hidaka
patent: 6697909 (2004-02-01), Wang et al.

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