Abstract
In this work, we are integrating thermal aware design approach in energy efficient Vedic multiplier on FPGA. In the beginning of this universe, Veda describes heat receiving from the Sun god as Suryamrit (Surya i.e. Sun +Amrit i.e. Nectar= Suryamrit i.e. Nectar coming from the Sun God). Now, whole world is feeling anxious about temperature. How our thinking pattern is changing with evolution of mankind? This paper deals with that question and the whole work is going in direction to get solution of this problem with mechanism of ambient (room) temperature scaling and energy efficient LVCMOS I/O standard. LVCMOS is an acronym for low voltage complementary metal oxide semiconductor. In this Vedic multiplier, we are using three LVCMOS I/O standard. LVCMOS12 is available only in 65nm and 40nm FPGA. Rest LVCMOS18 and LVCMOS25 is available among 40nm, 65nm and 90nm FPGA. In order to test the thermal sustainability of our Vedic multiplier, we are testing it in three different room temperature 20°C, 30°C, and 40°C. Using LVCMOS25, there is 12.99%, 19.23% and 10.28% reduction in power dissipation on 90nm, 65nm and 40nm respectively. For LVCMOS25, when our Vedic multiplier design is migrated from 40nm design to 90nm design, there is 87.72% reduction in power dissipation of Vedic multiplier when temperature is constant 20°C.
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