Read and Write Stability of 6T SRAM
SRAM cells are designed to ensure that the contents of the cell are not altered during read access and the cell can quickly change its state during write operation. These conflicting requirements for read and write operations are satisfied by some specific conditions to provide stable read and write operations SRAM cell read stability and write -ability is major concerns in nanometer CMOS technologies, due to the progressive increase in intra die variability and VDD scaling. In conventional Six Transistors (6T) SRAM cell, read stability is very low due to the voltage division between the access and driver transistors during read operation this paper analyzes the read stability and write ability of 6T, SRAM cell structures.
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