Semiconductor device
AssigneeRenesas Electronics Corporation
InventorFutoshi IGAUE
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Abstract
The present invention provides a semiconductor device that can reduce the power consumption, including: a plurality of search memory cells arranged in a matrix; a plurality of match lines provided corresponding to each memory cell row to determine match/mismatch between data stored in the search memory cell and search data; a plurality of match line retention circuits provided corresponding to each of the match lines; a storage unit for storing information relating to the state of each of the match lines; and a selection circuit for selectively activating the match line retention circuits based on the information stored in the storage unit.
Claims12
A semiconductor device comprising:
- a plurality of search memory cells arranged in a matrix;
- a plurality of match lines provided corresponding to each memory cell row to determine match/mismatch between data stored in the search memory cell and search data;
- a plurality of match line retention circuits provided corresponding to each of the match lines;
- a storage unit for storing information relating to the state of each of the match lines;
- and
- a selection circuit for selectively activating the match line retention circuits based on the information stored in the storage unit.
Dependencies are inferred from the claim text.