Low design overhead timing error correction scheme for elastic clock methodology
2017 IEEE/ACM International Symposium on Low Power Electronics and …, 2017•ieeexplore.ieee.org
The elastic clock scheme is a robust design methodology to ensure timing closure under
PVT variation using locally generated clocks and handshaking protocol. However, it still has
a chance of timing errors due to delay mismatch between the data-path and delay replica. In
this paper, we propose a low design overhead timing error correction scheme tailored to
elastic clock. In the proposed scheme, a timing error can be corrected within a cycle using
clock stretching. The proposed scheme shows 40.3× and 4.6× reduction in timing margin …
PVT variation using locally generated clocks and handshaking protocol. However, it still has
a chance of timing errors due to delay mismatch between the data-path and delay replica. In
this paper, we propose a low design overhead timing error correction scheme tailored to
elastic clock. In the proposed scheme, a timing error can be corrected within a cycle using
clock stretching. The proposed scheme shows 40.3× and 4.6× reduction in timing margin …
The elastic clock scheme is a robust design methodology to ensure timing closure under PVT variation using locally generated clocks and handshaking protocol. However, it still has a chance of timing errors due to delay mismatch between the data-path and delay replica. In this paper, we propose a low design overhead timing error correction scheme tailored to elastic clock. In the proposed scheme, a timing error can be corrected within a cycle using clock stretching. The proposed scheme shows 40.3× and 4.6× reduction in timing margin with 9.1% and 9.0% area overhead over the synchronous baseline and elastic clock design, respectively.
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