High Performance Domino Logic Circuits in Low Power VLSI Design
A Novel Approach
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The advancement of CMOS technologies paved the road for a growing market of mobile and portable electronic devices. This growth is driven by the continual integration of complex analog and digital building blocks on a single chip, so silicon area and power consumption are the two most valued aspects of the design. Compared to static CMOS logic, dynamic logic offers good performance. Wide fan-in logic such as domino circuits is used in high-performance applications. Dynamic domino logic circuits are widely used in modern digital VLSI circuits. These dynamic circuits are often favored in high pe...
The advancement of CMOS technologies paved the road for a growing market of mobile and portable electronic devices. This growth is driven by the continual integration of complex analog and digital building blocks on a single chip, so silicon area and power consumption are the two most valued aspects of the design. Compared to static CMOS logic, dynamic logic offers good performance. Wide fan-in logic such as domino circuits is used in high-performance applications. Dynamic domino logic circuits are widely used in modern digital VLSI circuits. These dynamic circuits are often favored in high performance designs because of the speed advantage offered over static CMOS logic circuits. In this dissertation, 2:1 multiplexer and 1:2 decoder is proposed. The proposed 2:1 multiplexer and 1:2 decoder design based on proposed high performance domino logic circuit are tested in 45nm and 65nm technologies to prove its technology independence. Design is also experimented under various substrate-biasing schemes and then the best substrate biasing technique is implemented. The proposed design is better in terms of power, delay and power delay product in comparison to other biasing conditions.
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