Low-Power Scheme of NMOS 4-Phase Dynamic Logic (Special Issue on Integrated Electronics and New System Paradigms)

概要

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An NMOS 4-phase dynamic logic scheme is described, which is intended to achieve low-power consumption in the deep submicron design. In this scheme, the short-circuit current is eliminated, and moreover, the voltage swing of transition signals is reduced, resulting in enhancing power reduction effectively. First, distinctive features of this 4-phase dynamic logic are specified, as compared with the static CMOS logic and dynamic domino CMOS logic. Then, power simulations are attempted for the 4-phase dynamic logic, static CMOS logic, dynamic CMOS logic, and pass-transistor logic, by using a number of logic modules, which demonstrate that the NMOS 4-phase dynamic logic is the most power-efficient. Moreover, through the gate delay simulation, the capability of how many transistors can be packed in a logic block is also discussed.
社団法人電子情報通信学会の論文
1999-09-25