Managing standby and active mode leakage power in deep sub-micron design
Proceedings of the 2004 international symposium on Low power electronics and design
Microarchitectural techniques for power gating of execution units
Proceedings of the 2004 international symposium on Low power electronics and design
Reverse-body bias and supply collapse for low effective standby power
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Fine-grain leakage optimization in SRAM based FPGAs
GLSVLSI '05 Proceedings of the 15th ACM Great Lakes symposium on VLSI
Low power SRAM techniques for handheld products
ISLPED '05 Proceedings of the 2005 international symposium on Low power electronics and design
A 90nm low-power FPGA for battery-powered applications
Proceedings of the 2006 ACM/SIGDA 14th international symposium on Field programmable gate arrays
CASES '06 Proceedings of the 2006 international conference on Compilers, architecture and synthesis for embedded systems
Modeling ionizing radiation effects in solid state materials and CMOS devices
IEEE Transactions on Circuits and Systems Part I: Regular Papers - Special section on 2008 custom integrated circuits conference (CICC 2008)
A framework for power-gating functional units in embedded microprocessors
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
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Static power dissipation is a concern for battery powered hand-held devices since it can substantially impact the battery life. Here, the use of reverse body bias to limit Ioff on the high performance, low power XScale™ microprocessor core is described. The scheme utilized is amenable to implementation on a low-cost (non-triple well) process and has limited regulation requirements. The regulation requirements and circuits are described, as is the performance of the method. A measured current reduction factor of over 25 is achieved with this method of reverse body bias. Implications of the use of body bias leakage control for active power and performance, as well as system level implications are also discussed.