Power Reduction of FPGA by Guarded Evaluation Considering Logic Architecture in SOC Technology
Journal Title: INTERNATIONAL JOURNAL OF ENGINEERING TRENDS AND TECHNOLOGY - Year 2013, Vol 4, Issue 9
Abstract
In this paper, guarded evaluation is a dynamic power reduction technique by identifying sub circuits inputs and kept constant at specific times during circuit operation. In certain condition, some signals within the digital design are not observable at output. So make such signals as guarded (constant). There by reducing the dynamic power. Here we apply this technique for all digital circuits. The problem here is to find conditions under which a sub circuit input can be held constant with disturbing the main circuit functionally (correctness). Here we propose a solution for discovering the gating inputs based on inverting and non-inverting methods. By including “clock gating” we still reduce the dynamic power and leakage power especially for sequential circuits.
Authors and Affiliations
G. KISHORE KUMAR#1 , G. NARENDAR
Keywords
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