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

2006-03-28

2006-03-28

Le, Thong Q. (Department: 2827)

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Powering

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C365S189060

Reexamination Certificate

active

07020041

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.

REFERENCES:
patent: 5325338 (1994-06-01), Runaldue et al.
patent: 5345424 (1994-09-01), Landgraf
patent: 6434076 (2002-08-01), Andersen et al.
patent: 2003/0155962 (2003-08-01), Itoh et al.

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