{"title":"VLFF — A very low-power flip-flop with only two clock transistors","authors":"Yugal Kishore Maheshwari, Manoj Sachdev","doi":"10.1016/j.vlsi.2024.102300","DOIUrl":null,"url":null,"abstract":"<div><div>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.</div></div>","PeriodicalId":54973,"journal":{"name":"Integration-The Vlsi Journal","volume":null,"pages":null},"PeriodicalIF":2.2000,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Integration-The Vlsi Journal","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0167926024001640","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"COMPUTER SCIENCE, HARDWARE & ARCHITECTURE","Score":null,"Total":0}
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.
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.