The act of combinational clock gating does not change the functionality of the registers in the design, and hence, traditional logical equivalence checkers (LEC) can be used to verify the correctness of such clock gating transformations. Sequential clock gating, on the other hand, changes the seq...
It is therefore necessary to define synthesis methods adapted to such dynamic changes in the design. According to an embodiment a sequential clock gating method uses an exclusive-OR technique to overcome the deficiencies of the prior art methods.Rahim, SolaimanMovahed-ezazi, Mohammad H....
To reduce clock power, which is a significant portion of the dynamic power consumed by a design, sequential clock gating is increasingly getting used over and above combinational clock gating. With the shrinking device sizes and increasingly complex designs, data is frequently transferred from ...
Formal techniques are powerful, and sequential equivalence checking is a particularly appropriate way to apply them to check that a design will work the same way after a clock-gating strategy has been applied. However, the technique is not a magic wand, and needs to be applied with care and ...
When the conventional method of defining sequential element timing parameters is used in conjunction with the conventional method of accounting for clock uncertainty in timing analysis, the results are overly pessimistic because, when clock uncertainty is nonzero, the element can never be simultaneously ...
Pulse width allocation with clock skew scheduling for optimizing pulsed latch-based sequential circuits H. Lee, S. Paik, and Y. Shin, "Pulse width allocation with clock skew scheduling for optimizing pulsed latch-based sequential circuits," Proc. Int'l... H Lee,S Paik,Y Shin - IEEE/ACM ...
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United States Patent US6822478 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text
United States Patent US7023240 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text
a sequential clock gating circuit operable to sequentially stop or start outputting a plurality of gated clocks according to a gate control signal and maintain an output cycle number relation between the gated clocks even though the multi-phase clock generating circuit stops and then starts outputting...