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Ultra Low-Energy SRAM Design for Smart Ubiquitous Sensors
Sept.-Oct. 2012 (vol. 32 no. 5)
pp. 10-24
Vibhu Sharma, Katholieke Universiteit Leuven
Stefan Cosemans, Katholieke Universiteit Leuven
Francky Catthoor, Katholieke Universiteit Leuven
Wim Dehaene, Katholieke Universiteit Leuven
Medical diagnosis and healthcare are at the onset of a revolution fueled by improvements in smart sensors and body area networks. Those sensor nodes' computation and memory requirements are growing, but their energy resources do not increase; thus, more energy-efficient memories and processors are required. New circuit-design techniques that drastically reduce the static RAM (SRAM) memories' energy consumption while still achieving tens of megahertz of operation are discussed.
Index Terms:
Random access memory,Energy consumption,Intelligent sensors,Energy efficiency,Memory management,Transistors,low-energy write operation,ultra-low energy,static RAM design,SRAM design,variability resilient,local assist circuitry,low-swing dual-threshold-voltage 8T cell,charge-limited sequential sensing,calibration
Citation:
Vibhu Sharma, Stefan Cosemans, Maryam Ashouie, Jos Huisken, Francky Catthoor, Wim Dehaene, "Ultra Low-Energy SRAM Design for Smart Ubiquitous Sensors," IEEE Micro, vol. 32, no. 5, pp. 10-24, Sept.-Oct. 2012, doi:10.1109/MM.2012.58
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