Effective methods of computing organization in building a domestic library characterization system for standard and I/O cells

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Abstract

The article discusses aspects of implementation of a characterization system to reduce the total characterization time during the transition to advanced technological standards, as well as to improve the accuracy and quality of Liberty files. In particular, an effective approach to the use of distributed computing is presented and some details of its implementation are considered; the algorithm for organizing characterization in the "resume" mode is analyzed; the mathematical basis of the SPICE simulation results processing for CCS-models creating is described. The experimental data presented in the article confirm the practical value of the proposed approaches.

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About the authors

A. A. Lyalinsky

LLC NM-Tech

Author for correspondence.
Email: info@nm-tech.org

Senior engineer

Russian Federation, Moscow

G. N. Makarov

LLC NM-Tech

Email: info@nm-tech.org

Research engineer

Russian Federation, Moscow

T. M. Sorokin

LLC NM-Tech

Email: info@nm-tech.org

Senior design engineer

Russian Federation, Moscow

References

  1. Stempkovskiy A. L., Dojdev V. S., Zablotskiy A. V., Murashev A. V., Solovyev R. A., Telpuhov D. V., Pereverzev L. E., Mkrtychan I. A., Zhukova T. D., Demidov E. D. Creation of a Russian Import-Independent System for Automated Design of Digital Integrated Circuits Based on the OpenLane, Informacionnye Tehnologii, 2025, vol 31, no. 4, pp. 171—183, doi: 10.17587/it.31.171-183 (in Russian).
  2. Lyalinsky А. A. Web-Based Digital Cell Library Characterization System, Informacionnye Tehnologii, 2024, vol. 30, no. 5, pp. 227—239, doi: 10.17587/it.30.227-239 (in Russian).
  3. Khvatov V. M., Zapletina M. A. The Method of Dynamic Characterization of Standard Cell Libraries for Field Programmable Gate Arrays, Informacionnye Tehnologii, 2023, vol. 29, no. 11, pp. 583—587, doi: 10.17587/it.29.583-587 (in Russian).
  4. Kalashnikov V. S., Kerre A. L., Rozenfeld V. P., Semenov M. Y., Smirnov Iu. G., Sotnikov M. A., Tsarapkin S. F. Layout Quality Criteria for CMOS Standard Cells of Digital IC, Informacionnye Tehnologii, 2023, vol. 29, no. 9, pp. 447—456, doi: 10.17587/it.29.447-456 (in Russian).
  5. Demidov E. D., Stolbikov E. V. Static IRdrop Analysis Using Open Source CAD Software, Informacionnye Tehnologii, 2024, vol. 30, no. 10, pp. 515—519, doi: 10.17587/it.30.515-519 (in Russian).
  6. Kalashnikov V. S., Semenov M. Y. Standard cell libraries content optimization, Problems of Perspective Micro- and Nanoelectronic Systems Development — 2016. Proceedings / edited by А. Stempkovsky, Moscow, IPPM RAS, 2016, part 2, pp. 217—224 (in Russian).
  7. Makarov G. N., Sorokin T. M., Kalashnikov V. S., Semenov M. Y., Tsarapkin S. F., Gundartsev M. A. Requirements for Standard and I/O Cell Library Domestic Characterization System Development, Informacionnye Tehnologii, 2024, vol. 30, no. 10, pp. 520—527, doi: 10.17587/it.30.520-527 (in Russian).
  8. Sorokin T. M., Makarov G. N., Kalashnikov V. S., Semenov M. Y., Makarov S. V., Dubrovin S. A. Accelerating the characterization of cell libraries using the SPICE-simulator software interface, Russian Forum "Microelectronics 2024" 10th Scientific Conference "ECB and Microelectronic Modules". Collection of abstracts of Sirius University of Science and Technology, September 23—28, 2024, Moscow, TECHNOSPHERE, 2024, pp.383—384 (in Russian).
  9. Bhasker J., Chadha R. Static Timing Analysis for Nanometer Designs, Springer, 2009, doi: 10.1007/978-0-387-93820-2_1,

Supplementary files

Supplementary Files
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1. JATS XML
2. Рис. 1. Number of SPICE simulations in standard cell library characterization depending on the minimum process node size (in nm) (data obtained by generalizing information from various open sources)

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3. Рис. 2. Block diagram of interaction between the master and clients

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4. Рис. 3. Approximation of the current curve for the CCS model: small squares — “raw” SPICE simulation data, large rectangles — processed data containing a smaller number of points

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