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Design and statistical analysis (MONTE-CARLO) of low-power and high stable proposed SRAM cell structure

机译:低功耗高稳定性拟议SRAM单元结构的设计和统计分析(MONTE-CARLO)

摘要

The reduction of the channel length due to scaling increases the leakage current resulting in a major contribution to the static power dissipation and for stability of the SRAM cell good noise margin is required so noise margin is the most important parameter for memory design. The higher noise margin of the cell confirms the high-speed of SRAM cell. In this work, a novel SRAM cell with eight transistors is being proposed to reduce the static hence total power dissipation. When compared to the conventional 6T SRAM and NC-SRAM cell, the proposed SRAM shows a significant reduction in the gate leakage current, static and total power dissipation while produce higher stability. In the technique employed for the proposed SRAM cell, the operating voltage is reduced in idle mode. The technique led a reduction of 31.2% in the total power dissipation, a reduction of 40.4% on static power dissipation, and The SVNM SINM WTV and WTI of proposed SRAM cell was also improved by 11.17%, 52.30%, 2.15%, 59.1% respectively as compare to 6T SRAM cell and as compare to NC-SRAM cell is 27.26%, 47.44%, 4.31%, 64.44% respectively. It can be found that the proposed cell is taking 28.6% extra area from the conventional SRAM cell whereas it is almost same with NC-SRAM cell. Cadence Virtuoso tools are used for simulation with 90- nm CMOS process technology.
机译:由于缩放导致的沟道长度的减小增加了泄漏电流,从而导致静态功耗的主要贡献,并且对于SRAM单元的稳定性,需要良好的噪声容限,因此噪声容限是存储器设计的最重要参数。单元的较高噪声容限证实了SRAM单元的高速性。在这项工作中,提出了一种具有八个晶体管的新型SRAM单元,以减少静态电流,从而降低总功耗。与传统的6T SRAM和NC-SRAM单元相比,拟议的SRAM显着降低了栅极漏电流,静态功耗和总功耗,同时产生了更高的稳定性。在用于所提出的SRAM单元的技术中,在空闲模式下降低了工作电压。该技术使总功耗降低了31.2%,静态功耗降低了40.4%,拟议的SRAM单元的SVNM SINM WTV和WTI也分别提高了11.17%,52.30%,2.15%,59.1%与6T SRAM单元相比和与NC-SRAM单元相比分别为27.26%,47.44%,4.31%,64.44%。可以发现,所提出的单元比传统的SRAM单元占用了28.6%的额外面积,而与NC-SRAM单元几乎相同。 Cadence Virtuoso工具用于通过90 nm CMOS工艺技术进行仿真。

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    Prasad Govind;

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  • 年度 2013
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