Qazi, M., K. Stawiasz, L. Chang, A. Chandrakasan, "A 512kb 8T SRAM Macro Operating Down to 0.57V with An AC-Coupled Sense Amplifier and Embedded Data-Retention-Voltage Sensor in 45nm SOI CMOS," IEEE International Solid-State Circuits Conference (ISSCC), pp. 350-351, February 2010. [Slides]