Method and apparatus to clamp SRAM supply voltage

Details Method and apparatus to clamp SRAM supply voltage Method and apparatus to clamp SRAM supply voltage

2005-12-30

2008-03-11

Le, Thong Q. (Department: 2827)

Static information storage and retrieval

Powering

Data preservation

C365S226000, C365S189060

Reexamination Certificate

active

07342845

ABSTRACT:
An apparatus and method are provided for limiting a drop of a supply voltage in an SRAM device to retain the state of the memory during an IDLE state. The apparatus may include a memory array, a sleep device, and a clamping circuit. The clamping circuit may be configured to activate the sleep device when a voltage drop across the memory array falls below a preset voltage and the memory array is in an IDLE state.

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patent: 7020041 (2006-03-01), Somasekhar et al.
patent: 2002/0097624 (2002-07-01), Andersen et al.
patent: 2003/0102904 (2003-06-01), Mizuno et al.
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