ABSTRACT
For innovative portable and wireless devices, systems on chip (SoCs) containing several processors, memories, and specialized modules are obviously required. Performance and also low power are main issues in the design of such SoCs. In deep submicron technologies, SoCs contain several millions of transistors and have to work at lower and lower supply voltages to avoid too high power consumption. Consequently, digital libraries as well as ROM and SRAM memories have to be designed to work at very low supply voltages and to be very robust while considering wire delays, signal input slopes, noise, and crosstalk effects.
