Memory device including combination SRAM-ROM cells and SRAM cells alternately arranged and semiconductor device including the memory device
US8081525B2 · kind B2 · utility
1Cited by
17References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2009 |
| Grant date | Dec 20, 2011 |
| Priority date | — |
| Expiry date | Dec 24, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D89/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.