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Clocking for Correct Functionality on Wave Pipelined Circuits
 

Summary: Clocking for Correct Functionality on Wave
Pipelined Circuits
Woo Jin Kim,Yong-Bin Kim
Electrical and Computer Engineering Department, Northeastern University
Abstract-Wave pipelining is a method ofspeeding up the
circuit design without the insertion of registers. This re-
duces the overhead related to clocking significantly and al-
lows for better temporal logic utilization. However, because
of the fact there are no intermediate registers, the cloek-
ing of wave pipelined circuits becomes more delicate and
temperature (PVT) variations. With traditional method of
A . Basics of wave Pipeline
The clocking of the traditional pipeline is constrained
by the worst, delay among the pipe stages aild the setup
and hold times of the registers at the design boundary.
Similar constraint exists for the wave pipeline design as
well. However. it is constrained bv both the worst aIld
very susceptible to delay changes due to and
pipelining, it becomes just a problem of frequency adjust-
ment, but: with wave pipelining, it becomes a more difflcult

  

Source: Ayers, Joseph - Marine Science Center & Department of Biology, Northeastern University

 

Collections: Engineering