Static information storage and retrieval – Hardware for storage elements
Reexamination Certificate
2005-12-20
2005-12-20
Phan, Trong (Department: 2827)
Static information storage and retrieval
Hardware for storage elements
C365S226000
Reexamination Certificate
active
06977833
ABSTRACT:
An embedded memory on an integrated circuit chip is capable of being isolated from other on chip and off chip circuitry during power failure modes on the integrated circuit chip. The embedded memory preferably has its own external power supply. When power on chip fails or falls below a threshold level, input to and output from the embedded memory is prohibited by CMOS isolation cells. The CMOS isolation cells are controlled by enable signals and the power level of other power supplies within the integrated circuit.
REFERENCES:
patent: 5978262 (1999-11-01), Marquot et al.
patent: 6205078 (2001-03-01), Merritt
patent: 6650589 (2003-11-01), Clark
patent: 6781915 (2004-08-01), Arimoto et al.
Day Brian A.
Gasparik Frantisek
LSI Logic Corporation
Phan Trong
Suiter - West - Swantz PC LLO
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