A tool for the automatic generation and analysis of regular analog layout modules |
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Affiliation: | 1. Intel Corp., Zapopan 45019, Mexico;2. Department of Electronics, Systems, and Informatics, ITESO – The Jesuit University of Guadalajara, Tlaquepaque 45604, Mexico;1. Department of Electronics, Systems and Informatics, ITESO-The Jesuit University of Guadalajara, Tlaquepaque, Mexico;2. Department of Engineering, Universidad de Quintana Roo, Chetumal, Mexico;3. NXP Semiconductors, Mexico;1. Politecnico di Milano, Dipartimento di Elettronica, Informazione e Bioingegneria, Italy;2. Institute of Communication and Computer Systems, National Technical University of Athens, Greece |
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Abstract: | This paper describes the characteristics of a new CAD tool that enables the creation of layout libraries of selected analog modules. This Analog Modules Generator (AMG) automatically creates multiple layout versions of two commonly used analog structures: the differential pair and arrays of series-connected or stacked devices, for the subsequent generation of layout libraries. Based on the number of devices and rows defined by the user for the layout implementation, the tool validates all possible implementations, which are later saved in a database. Additionally, an extraction process can be optionally executed over all the layout views saved in the database. The AMG generates several reports with all the characteristics of the implemented layouts, including area and parasitic components, facilitating further statistical processing. We describe the features and capabilities of the proposed AMG tool, and several test cases are presented. Results show that suitable layout implementations can be achieved by layout and circuit designers in a very reduced amount of time. |
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Keywords: | Analog layout automation Differential pair Layout libraries Layout characterization Stacked devices |
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