Mondal, A. ; Chakrabarti, P. P. ; Dasgupta, P. (2007) Statistical static timing analysis using symbolic event propagation IET Circuits, Devices & Systems, 1 (4). pp. 283-291. ISSN 1751-858X
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Official URL: http://ieeexplore.ieee.org/document/4299381/
Related URL: http://dx.doi.org/10.1049/iet-cds:20060318
Abstract
Accurate estimation of critical path delays in circuits is a challenging task, particularly when variations due to manufacturing are considered. For small circuits (such as standard cells), simulation-based characterisation is preferred for better accuracy. For large circuits, statistical timing analysis techniques are used, but these methods typically yield a pessimistic overestimate. In view of the growing size of custom cell designs, an intermediate approach is required -one that can scale to circuits of moderate size and can produce more accurate estimates than traditional static timing analysis methods. A new method is presented that combines symbolic event propagation with statistical timing analysis and thereby achieves a significant level of accuracy with acceptable computational overhead. The benefits of the new style of analysis over the ISCAS'89 benchmark circuits are demonstrated.
Item Type: | Article |
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Source: | Copyright of this article belongs to Institution of Engineering and Technology. |
Keywords: | ISCAS'89 Benchmark Circuit; Statistical Static Timing Analysis; Symbolic Event Propagation; Critical Path Delays; Custom Cell Design |
ID Code: | 101413 |
Deposited On: | 12 Dec 2016 11:37 |
Last Modified: | 12 Dec 2016 11:38 |
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