4th IEEE International Symposium on Electronic Design, Test and Applications (delta 2008)
A Novel Dummy Bitline Driver for Read Margin Improvement in an eSRAM
January 23-January 25
ISBN: 978-0-7695-3110-6
Aggressive scaling of transistors is often accompanied by an increase in variability of its intrinsic parameters. In this paper, we point out the importance of considering sensitivity performances due to process variations during SRAM design. We propose a novel dummy bitline driver, an essential component in a self timed memory, which is less sensitive to process variations. A statistical sizing method of this dummy bitline driver is introduced so as to improve the read timing margin, while ensuring a high timing yield. The memory considered is a 256kb SRAM design in 90nm technology node.
Index Terms:
dummy bitline driver, low power, self-timed memory, SRAM, statistical design
Citation:
M. Yap San Min, P. Maurine, M. Bastian, M. Robert, "A Novel Dummy Bitline Driver for Read Margin Improvement in an eSRAM," delta, pp.107-110, 4th IEEE International Symposium on Electronic Design, Test and Applications (delta 2008), 2008