发明授权
- 专利标题: Methods and apparatus for designing and constructing multi-port memory circuits
- 专利标题(中): 多端口存储器电路的设计与构造方法
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申请号: US13732372申请日: 2013-01-01
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公开(公告)号: US08902672B2公开(公告)日: 2014-12-02
- 发明人: Sundar Iyer , Shang-Tse Chuang , Thu Nguyen , Sanjeev Joshi , Adam Kablanian , Kartik Mohanram
- 申请人: Sundar Iyer , Shang-Tse Chuang , Thu Nguyen , Sanjeev Joshi , Adam Kablanian , Kartik Mohanram
- 申请人地址: US CA Santa Clara
- 专利权人: Memoir Systems, Inc.
- 当前专利权人: Memoir Systems, Inc.
- 当前专利权人地址: US CA Santa Clara
- 代理商 Dag Johansen, Esq.
- 主分类号: G11C8/16
- IPC分类号: G11C8/16 ; G11C11/419 ; G11C7/10 ; G11C7/22
摘要:
Static random access memory (SRAM) circuits are used in most digital integrated circuits to store data. To handle multiple memory users, an efficient dual port six transistor (6T) SRAM memory cell is proposed. The dual port 6T SRAM cell uses independent word lines and bit lines such that the true side and the false side of the SRAM cell may be accessed independently. Single-ended reads allow the two independent word lines and bit lines to handle two reads in a single cycle using spatial domain multiplexing. Writes can be handled faster that read operations such that two writes can be handled in a single cycle using time division multiplexing. To further improve the operation of the dual port 6T SRAM cell a number of algorithmic techniques are used to improve the operation of the memory system.