Memory device including combination SRAM-ROM cells and SRAM cells alternately arranged and semiconductor device including the memory device
First Claim
1. A combination memory device including a static random access memory (SRAM) and a read only memory (ROM), said combination memory device comprisingfirst memory cells and second memory cells arranged in rows and columns,wherein each of said first memory cells includes an SRAM cell and a ROM cell and is arranged adjacent to at least one of said second memory cells,each of said second memory cells includes an SRAM cell and does not include a ROM cell, andeach of said first memory cells and each of said second memory cells are placed alternately in a row direction and in a column direction.
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0 Petitions
Accused Products
Abstract
A combination memory device including a static random access memory (SRAM) and a read only memory (ROM) comprises first memory cells and second memory cells arranged in rows and columns, in which each of the first memory cells includes an SRAM cell and a ROM cell and is arranged adjacent to at least one of the second memory cells, and each of the second memory cells includes an SRAM cell and does not include a ROM cell.
20 Citations
20 Claims
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1. A combination memory device including a static random access memory (SRAM) and a read only memory (ROM), said combination memory device comprising
first memory cells and second memory cells arranged in rows and columns, wherein each of said first memory cells includes an SRAM cell and a ROM cell and is arranged adjacent to at least one of said second memory cells, each of said second memory cells includes an SRAM cell and does not include a ROM cell, and each of said first memory cells and each of said second memory cells are placed alternately in a row direction and in a column direction.
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15. A semiconductor device comprising
a flash memory; - and
a combination memory device comprising first memory cells and second memory cells arranged in rows and columns, wherein each of said first memory cells includes an SRAM cell and a ROM cell and is arranged adjacent to at least one of said second memory cells, each of said second memory cells includes an SRAM cell and does not include a ROM cell, each of said first memory cells and each of said second memory cells are placed alternately in a row direction and in a column direction, and each of said ROM cells included in said combination memory device stores a loader program for writing data onto said flash memory. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification