ZeROA: Zero Clock Skew Rotary Oscillatory Array

Resonant rotary clocking is a clocking technology for high frequency clock generation and distribution at a low power dissipation rate. It is commonly conceived that the multiple phases on the rings of the rotary oscillatory array (ROA) necessitate a non-zero clock skew operation. In this paper, the...

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Veröffentlicht in:IEEE transactions on very large scale integration (VLSI) systems 2012-08, Vol.20 (8), p.1528-1532
Hauptverfasser: Honkote, V., Taskin, B.
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description Resonant rotary clocking is a clocking technology for high frequency clock generation and distribution at a low power dissipation rate. It is commonly conceived that the multiple phases on the rings of the rotary oscillatory array (ROA) necessitate a non-zero clock skew operation. In this paper, the feasibility of zero clock skew synchronization with the rotary clocking technology implemented on the ROA is shown. Design automation experiments are performed to demonstrate that the zero clock skew operation can be achieved with minimal change in the performance of rotary clock operation. In particular, a marginal ±1.5% change in the tapping wirelength and a negligible 0.38% average skew mismatch are reported in experiments on R1-R5 and ISPD 2010 benchmark circuits.
doi_str_mv 10.1109/TVLSI.2011.2158458
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source IEEE Electronic Library (IEL)
subjects Applied sciences
Arrays
Benchmark testing
Circuit properties
Circuits
Clocks
Design automation
Design engineering
design methodology
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
High frequencies
oscillators
Oscillators, resonators, synthetizers
Phases
Registers
sequential circuits
Synchronization
Very large scale integration
Wires
title ZeROA: Zero Clock Skew Rotary Oscillatory Array
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