DESIGN AND IMPLEMENTATION OF ERSFQ BASED GDI TECHNIQUE USING TANNER

Abstract

Rapid Single Flux Quantum (RSFQ) is a digital electronic technology that uses superconducting devices to process the digital signals. The information is stored in
the form of magnetic flux quanta, in RFSQ logic. Resistor-free approach to dc biasing of RSFQ logical circuits are known as Energy-efficient Rapid Single Flux
Quantum (ERSFQ) that does not use bias resistors. The ERSFQ logic is to eliminate the static power loss of RSFQ by replacing bias resistors with set of inductors and current-limiting Josephson junction. Traditionally, the ERSFQ logical circuit is designed in this paper. In the ERSFQ architecture, numbers of half adders are used to design this structure. The main disadvantage of ERFSQ structure, the number of transistor count is increased. In order to reduce this problem, ERFSQ based GDI (Gate Diffusion Input) technique is proposed in this paper. The schematic circuit of proposed ERSFQ based GDI technique is designed by using Tanner EDA tool.