Asynchronous Circuit Design for Wireless Sensor Nodes: A Survey

Computer architecture researchers evaluate key areas such as pipelining, organization, instruction issue, branching, and exception handling when considering asynchronous and synchronous design and implementation trade-offs. Asynchronous or clockless designs are considered as an alternative to conventional synchronous digital system design. The major advantages of asynchronous are low power consumption, better modularity, higher robustness and higher speed. Virtually all processors are synchronous which are based on internal timing devices/circuits that regulate processing. As system becomes increasingly large and complex, this timing device a clock can cause big problems with clock skew and timing delay can create havoc with the overall design.

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International Journal of Computer Applications