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Nanoelectronic Device Applications Handbook by Krzysztof Iniewski, James E. Morris

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18

Restoring Divider Design for Quantum-Dot Cellular Automata

Seong-Wan Kim and Earl E. Swartzlander, Jr.

CONTENTS

18.1 Introduction

18.2 Background

18.2.1 QCA Cell

18.2.2 Logic Gates in QCA

18.2.3 Clock Zones

18.2.4 Coplanar Wire Crossings

18.3 Restoring Binary Divider

18.3.1 Conventional Restoring Binary Divider Architecture

18.3.2 Restoring Array Divider for QCA

18.4 Implementation Details

18.4.1 Design Guidelines for Robust QCA Circuits

18.4.2 Implementation of the Restoring Divider

18.4.2.1 Basic Elements for Restoring Array Divider

18.4.2.2 Controlled Full Subtractor Cell

18.4.2.3 Comparison of Coplanar and Multilayer Wire Crossings

18.4.2.4 Timing Analysis

18.5 Simulation Results

18.5.1 Restoring Divider Results

18.5.2 Comparison ...

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