Implementation of Extracted Timing Methodology on Process Monitor for Silicon Characterization
Keywords:
back annotation, ETM, ILM, process monitor, QTM, ring oscillator, STA
Abstract
Process variations are playing a key role in defining the behaviour of an IP. These process variations can accurately measure using process monitor. In order to verify process variations, the process monitor should meet all timing requirements. Static Timing Analysis (STA) uses best case/ and worst analysis overly pessimistic, and could be optimistic also in some cases. Static Timing Analysis (STA) is a method for estimating yield of a circuit in terms of timing activities. Model extraction is a technique that accurately captures the characteristics of interface logic of a design in the form of a timing library model and provides a capacity improvement in timing verification by more than two orders of magnitude. Extracted timing model is an efficient timing library model to get accurate timing arcs of the circuit. This paper describes Methodology for creating timing models and also the flow to develop IP (process monitor) ETMs (.lib) using Synopsys Primetime tool, which can be used in any SOC and ETMs (Extracted timing models)with necessary time-budgeting instead of IP Netlists. Generated ETM with and without annotation delays and compared the library file. And the process monitor2019;s ring oscillator is designed through Verilog code using cadence tool.
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Published
2018-01-15
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This work is licensed under a Creative Commons Attribution 4.0 International License.