Backup for volatile state retention in the absence of...

Details Backup for volatile state retention in the absence of... Backup for volatile state retention in the absence of...

2008-08-08

2010-06-01

Auduong, Gene N. (Department: 2827)

Static information storage and retrieval

Powering

Data preservation

C365S228000, C365S185080

Reexamination Certificate

active

07729193

ABSTRACT:
A backup volatile state retention circuit is provided with low leakage current for employment with a volatile memory circuit to store the value of the latter during power down of the volatile circuit or during power-down or inactivation of neighboring or peripheral circuits or due to the loss of power of any of these circuits. An example of such a volatile circuit is a memory circuit having volatile memory cells such as employed in dynamic memory core, in particular, a random access memory (RAM) in CMOS circuitry.

REFERENCES:
patent: 5986962 (1999-11-01), Bertin et al.
patent: 6097243 (2000-08-01), Bertin et al.
patent: 6345362 (2002-02-01), Bertin et al.
patent: 7394687 (2008-07-01), Bertin et al.
patent: 2009/0039708 (2009-02-01), Zanders

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