Retiming-based logic synthesis for low-power
Proceedings of the 2002 international symposium on Low power electronics and design
GlitchLess: an active glitch minimization technique for FPGAs
Proceedings of the 2007 ACM/SIGDA 15th international symposium on Field programmable gate arrays
A low-power multiplier with the spurious power suppression technique
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
A routing approach to reduce glitches in low power FPGAs
Proceedings of the 2009 international symposium on Physical design
A spurious-power suppression technique for multimedia/DSP applications
IEEE Transactions on Circuits and Systems Part I: Regular Papers
Proceedings of the International Conference and Workshop on Emerging Trends in Technology
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
GlitchLess: dynamic power minimization in FPGAs through edge alignment and glitch filtering
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
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This paper presents a technique for glitch power minimization in combinational circuits. The total number of glitches is reduced by replacing some existing gates with functionally equivalent ones (called F-Gates) that can be "frozen" by asserting a control signal. A frozen gate cannot propagate glitches to its output. Algorithms for gate selection and clustering that maximize the percentage of filtered glitches and reduce the overhead for generating the control signals are introduced. A power-efficient CMOS implementation of F-Gates is also described. An important feature of the proposed method is that it can be applied in place directly to layout-level descriptions; therefore, it guarantees very predictable results and minimizes the impact of the transformation on circuit size and speed.