VLFF — A very low-power flip-flop with only two clock transistors

IF 2.2 3区工程技术 Q3 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE Integration-The Vlsi Journal Pub Date : 2024-10-19 DOI:10.1016/j.vlsi.2024.102300

Yugal Kishore Maheshwari, Manoj Sachdev

引用次数: 0

Abstract

Flip-flops (FFs) are an essential component of digital circuits, yet they use a lot of power and energy. This paper introduces the VLFF, an extremely low-power flip-flop that operates with just two single-phase clock transistors. The extracted simulation results show that VLFF is the most power-efficient FF amongst all examined FFs for the data activity (DA) range of 0% to 45%. Test-chip measurement results for the test-chip designed in TSMC CMOS 65 nm gp PDK demonstrate that at VDD = 1 V, power consumption is reduced by 63% and 16% with 12.5% DA, and 52% and 6% with 25% DA in comparison to TGFF and 18TSPC, respectively.

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VLFF - 仅有两个时钟晶体管的超低功耗触发器

触发器（FF）是数字电路的重要组成部分，但其功耗和能耗却很高。本文介绍了 VLFF，一种仅使用两个单相时钟晶体管运行的超低功耗触发器。提取的仿真结果表明，在 0% 至 45% 的数据活动（DA）范围内，VLFF 是所有受检 FF 中最省电的 FF。采用 TSMC CMOS 65 nm gp PDK 设计的测试芯片测量结果表明，在 VDD = 1 V 时，与 TGFF 和 18TSPC 相比，12.5% DA 的功耗分别降低了 63% 和 16%，25% DA 的功耗分别降低了 52% 和 6%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Integration-The Vlsi Journal 工程技术-工程：电子与电气

CiteScore

3.80

自引率

5.30%

发文量

107

审稿时长

6 months

期刊介绍： Integration''s aim is to cover every aspect of the VLSI area, with an emphasis on cross-fertilization between various fields of science, and the design, verification, test and applications of integrated circuits and systems, as well as closely related topics in process and device technologies. Individual issues will feature peer-reviewed tutorials and articles as well as reviews of recent publications. The intended coverage of the journal can be assessed by examining the following (non-exclusive) list of topics: Specification methods and languages; Analog/Digital Integrated Circuits and Systems; VLSI architectures; Algorithms, methods and tools for modeling, simulation, synthesis and verification of integrated circuits and systems of any complexity; Embedded systems; High-level synthesis for VLSI systems; Logic synthesis and finite automata; Testing, design-for-test and test generation algorithms; Physical design; Formal verification; Algorithms implemented in VLSI systems; Systems engineering; Heterogeneous systems.