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Short circuit power consumption of glitches

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2 Author(s)
Rabe, D. ; Dept. of Comput. Sci., Oldenburg Univ., Germany ; Nebel, W.

Short circuit currents are analyzed for glitch and glitch-free cases within this paper. Within the glitch power-formulas introduced in literature short circuit power consumption is neglected. We examined that short-circuit power consumption contributes more significantly to a gate-transition's total power consumption for glitches than for common complete transitions. Simulation results are presented which exemplify that generated and propagated glitches can lead to excessive power consumption (between 10% and 60% of its total power consumption for typical cases). These examinations can be used for accurate glitch power modelling and circuit optimization on gate level, which is particularly important for arithmetic and DSP circuits

Published in:

Low Power Electronics and Design, 1996., International Symposium on

Date of Conference:

12-14 Aug 1996