Energy efficient single-ended 6-T SRAM for multimedia applications

Show simple item record Surana, Neelam Mekie, Joycee 2018-09-28T07:03:10Z 2018-09-28T07:03:10Z 2018-09
dc.identifier.citation Surana, Neelam and Mekie, Joycee, "Energy efficient single-ended 6-T SRAM for multimedia applications", Eurasian Chemico Technological Journal, DOI: 10.1109/TCSII.2018.2869945, Sep. 2018. en_US
dc.identifier.issn 1549-7747, 1558-3791
dc.description.abstract Image processing and other multimedia applications require large embedded storage. In some of the earlier works approximate memory has been shown as a potential energy-efficient solution for such error-tolerant applications. In this paper, we propose a single ended 6-T (SE6T) SRAM cell which has about 50% less dynamic power compared to conventional 6-T SRAM cell with the same bit error rate(BER). Since image processing applications are tolerant to errors, ultra low voltage power-efficient embedded memories with BER can be used for storage. We show that 1 KB (256x32) SE6T memory consumes 0.45× dynamic power, 0.83× leakage power and takes 0.60× area as compared to conventional 6T SRAM memory for similar peak signal to noise ratio (PSNR). We have also proposed heterogeneous SE6T 1K SRAM memory and show that for a given power budget, PSNR enhances by at least by 14 dB compared to when homogeneous (identically sized bit-cells) SE6T SRAM memory are used. When compared with heterogeneous 6T SRAM memory, the heterogeneous SE6T SRAM memory consumes 0.44× dynamic power, 0.86× leakage power and takes 0.6× area for almost similar PSNR. For a given PSNR, the SE6T memory is cumulatively better in terms of design complexity, area and power when compared with other hybrid and heterogeneous approximate memories.
dc.description.statementofresponsibility by Neelam Surana and Joycee Mekie
dc.language.iso en en_US
dc.publisher IEEE en_US
dc.subject SRAM cells en_US
dc.subject Bit error rate en_US
dc.subject Transistors en_US
dc.subject Memory management en_US
dc.subject Image quality en_US
dc.subject Embedded Memory en_US
dc.subject voltage scaling in SRAM en_US
dc.subject heterogeneousSRAM en_US
dc.subject Image processing applications. en_US
dc.title Energy efficient single-ended 6-T SRAM for multimedia applications en_US
dc.type Article en_US
dc.relation.journal IEEE Transactions on Circuits and Systems II: Express Briefs

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