Principles of CMOS VLSI design: a systems perspective
Principles of CMOS VLSI design: a systems perspective
Feedback Systems: Input-Output Properties
Feedback Systems: Input-Output Properties
IEEE Design & Test
Stability analysis of active clock deskewing systems using a control theoretic approach
Proceedings of the 2005 Asia and South Pacific Design Automation Conference
Analysis of deskew signaling via adaptive timing
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
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A formal methodology for the analysis of a closed loop clock distribution and active deskewing network is proposed. In this paper an active clock distribution and deskewing network is modeled as a closed loop feedback system using state space equations. State space analysis allows systematic analysis of any clock distribution and deskewing systems to determine various conditions under which a system can over-compensate and become potentially unstable. Such an analysis can be very useful to designers as they will be able to determine analytically as to how the clock deskewing system behaves. By using the proposed approach, repeated simulations can be greatly limited and maybe entirely avoided. We applied the proposed method to an experimental clock deskewing system to illustrate the effectiveness of the proposed approach. The proposed approach can be further extended to determine performance of such systems under different configurations.