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4th IEEE International Symposium on Electronic Design, Test and Applications (delta 2008)
Read Stability and Write Ability Tradeoff for 6T SRAM Cells in Double-Gate CMOS
January 23-January 25
ISBN: 978-0-7695-3110-6
This paper presents a comparative study of sub-32 nm CMOS 6T SRAM cells in fully depleted (FD) double-gate (DG) silicon-on-insulator (SOI) technology with planar self-aligned gates. Both independent- and connected-gate operation is analysed by modulating the drain current with both front and back gate voltages. The four studied cells take advantage of their transistor back gates to improve stability while optimizing write operation. These are the two key criteria used in the presented sizing method. The results of read-, retention- and write margins and area are displayed for all cells in the presence of process variability.
Index Terms:
SRAM cell, Double Gate (DG), Static Noise Margin (SNM), Write Margin (WM)
Citation:
Bastien Giraud, Amara Amara, "Read Stability and Write Ability Tradeoff for 6T SRAM Cells in Double-Gate CMOS," delta, pp.201-204, 4th IEEE International Symposium on Electronic Design, Test and Applications (delta 2008), 2008
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