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Design of quasi-synchronous finite state machines using a local on-demand clocking approach

  • Nowadays robust, energy-efficient multisensor microsystems often come with heavily restricted power budgets and the characteristic of remaining in certain states for a longer period of time. During this time frame there is no continuous clock signal required which gives the opportunity to suspend the clock until a new transition is requested. In this paper, we present a new topology for on-demand locally clocked finite state machines. The architecture combines a local adaptive clocking approach with synchronous and asynchronous components forming a quasi synchronous system. Using adaptive and local clocking comes with the advantages of reducing the power consumption while saving design effort when no global clock tree is needed. Combining synchronous and asynchronous components is beneficial compared to previous fully asynchronous approaches concerning the design restrictions. The developed topology is verified by the implementation and simulation of a temperature-ADC sensor system realized in a 180 nm process.

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Author of HS ReutlingenGatzastras, Athanasios; Wrana, Dominik; Wolfer, Tobias; Hennig, Eckhard
Erschienen in:Analog 2018 : meet your CAD guy, meet your designer : Beiträge der 16. GMM/ITG-Fachtagung, 13.-14. September 2018 in München, Neubiberg. - (GMM-Fachbericht ; 91)
Publisher:VDE Verlag GmbH
Place of publication:Berlin
Document Type:Conference Proceeding
Year of Publication:2018
Page Number:5
First Page:20
Last Page:24
PPN:Im Katalog der Hochschule Reutlingen ansehen
DDC classes:620 Ingenieurwissenschaften und Maschinenbau
Open Access?:Nein