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US 6,639,845 B2Granted
Data holding circuit having backup function
AssigneeNEC Corporation
InventorsTaro Fujii, Koichiro Furuta, Masato Motomura
Life of this patent
Estimating the term…
Abstract
A data holding circuit that retreats and restore internal statuses. The data holding portion includes a data holding portion 11 and a memory 10. At least one internal state of the data holding portion 11 is retreated via a retreating signal line 16 to the memory 10, while being restored via the memory 10 through the restoration signal line 15.
Claims19
A process for data holding and retreating comprising:
- providing a data holding circuit comprising a data holding portion and a memory portion,
- retreating at least one internal state of said data holding portion to said memory portion, and
- said internal state retreated to said memory portion is restored from said memory portion to said data holding portion.
Dependencies are inferred from the claim text.