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Comparative study on low-power high-performance flip-flops
Linköping University, Department of Electrical Engineering.
2004 (English)Independent thesis Basic level (professional degree)Student thesisAlternative title
Jämförande studie av högpreserande lågeffektsvippor (Swedish)
Abstract [en]

This thesis explores the energy-delay space of eight widely referred flip-flops in a 0.13µm CMOS technology. The main goal has been to find the smallest set of flip-flop topologies to be included in a “high performance” flip-flop cell library covering a wide range of power-performance targets. Based on the comparison results, transmission gate-based flip-flops show the best powerperformance trade-offs with a total delay (clock-to-output + setup time) down to 105ps. For higher performance, the pulse-triggered flip-flops are the fastest (80ps) alternatives suitable to be included in a flip-flop cell library. However, pulse-triggered flip-flops consume significantly larger power (about 2.5x) compared to other fast but fully dynamic flip-flops such as TSPC and dynamic TG-based flip-flops.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2004. , 56 p.
LiTH-ISY-Ex, 3432
Keyword [en]
Electronics, flip flops, latches, low power, standard cell, cell library, energy delay space
Keyword [sv]
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:liu:diva-2077OAI: diva2:19406
Available from: 2004-04-13 Created: 2004-04-13

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