Automated Partition-Based Liberty Modelling for Asynchronous Circuits

IF 1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Electronics Letters Pub Date : 2026-01-31 DOI:10.1049/ell2.70519

Shahzad Haider, Ruochen Ding, Naheel Raza Rizvi, Song Chen

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引用次数: 0

Abstract

Automated liberty characterization remains elusive for asynchronous cells whose feedback and multi-output behaviour break monolithic flows. We introduce a partition and recomposition strategy that exercises loop-free sub-blocks with exhaustive four-phase testbenches and recompose the resulting liberty snippets into sign-off views. Applied to sense amplifier half buffers, the flow limits functional error to below $0.1 %$ , timing deviation to $8.5 %$ , and power error to 13– $19 %$ while retaining $95 %$ of pins. The approach eliminates bespoke scenarios, scales linearly with library size, and enables asynchronous circuits to integrate into electronic design automation sign-off.

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基于自动分区的异步电路自由建模

对于异步单元，其反馈和多输出行为打破了整体流，自动自由表征仍然难以捉摸。我们引入了一个分区和重组策略，该策略使用详尽的四阶段测试台来练习无循环子块，并将产生的自由片段重组到签名视图中。应用于感应放大器半缓冲器，流量限制功能误差小于0.1%，时序偏差小于8.5%。并且电源误差为13% ~ 19%，同时保留95% ~ 95%的引脚。该方法消除了定制场景，随库大小线性扩展，并使异步电路集成到电子设计自动化签名中。

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来源期刊

Electronics Letters 工程技术-工程：电子与电气

CiteScore

2.70

自引率

0.00%

发文量

268

审稿时长

3.6 months

期刊介绍： Electronics Letters is an internationally renowned peer-reviewed rapid-communication journal that publishes short original research papers every two weeks. Its broad and interdisciplinary scope covers the latest developments in all electronic engineering related fields including communication, biomedical, optical and device technologies. Electronics Letters also provides further insight into some of the latest developments through special features and interviews. Scope As a journal at the forefront of its field, Electronics Letters publishes papers covering all themes of electronic and electrical engineering. The major themes of the journal are listed below. Antennas and Propagation Biomedical and Bioinspired Technologies, Signal Processing and Applications Control Engineering Electromagnetism: Theory, Materials and Devices Electronic Circuits and Systems Image, Video and Vision Processing and Applications Information, Computing and Communications Instrumentation and Measurement Microwave Technology Optical Communications Photonics and Opto-Electronics Power Electronics, Energy and Sustainability Radar, Sonar and Navigation Semiconductor Technology Signal Processing MIMO