Directed auto-refresh for a dynamic random access memory

Details Directed auto-refresh for a dynamic random access memory Directed auto-refresh for a dynamic random access memory

2005-10-17

2008-10-07

Hur, J. H. (Department: 2824)

Static information storage and retrieval

Addressing

Including particular address buffer or latch circuit...

C365S222000, C365S230030, C365S189040, C365S233100

Reexamination Certificate

active

07433261

ABSTRACT:
A memory includes a row address latch. The row address latch includes a first stage configured to latch a row address for a memory read or write operation, and a second stage configured to latch a row address for a memory bank auto-refresh. The row address latch provides the row address from the first stage in response to an activate command and provides the row address from the second stage in response to a directed auto-refresh command.

REFERENCES:
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patent: 6363024 (2002-03-01), Fibranz
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patent: 10-2003-0001710 (2003-08-01), None
“Corresponding Korean patent application Notice of Allowance issued on Apr. 15, 2008.”.

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