Superconductor digital electronics: Scalability and energy efficiency issues

SK Tolpygo - Low Temperature Physics, 2016 - pubs.aip.org
Superconductor digital electronics using Josephson junctions as ultrafast switches and
magnetic-flux encoding of information was proposed over 30 years ago as a sub-terahertz …

[BOOK][B] Single Flux Quantum Integrated Circuit Design

G Krylov, EG Friedman - 2024 - Springer
Conventional semiconductor-based digital electronics, with complementary metal oxide
semiconductor (CMOS) technology as the primary example, has experienced meteoric …

Interconnect routing for large-scale RSFQ circuits

T Jabbari, G Krylov, S Whiteley, E Mlinar… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
The increasing complexity of modern rapid single flux quantum (RSFQ) circuits has made on-
chip signal routing, an issue of growing importance. In this paper, several methods for …

Repeater insertion in SFQ interconnect

T Jabbari, G Krylov, S Whiteley, J Kawa… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Superconductive passive transmission lines (PTL) are widely used for signal routing in large-
scale rapid single flux quantum (RSFQ) circuits. Due to the imperfect matching of the …

Global interconnects in VLSI complexity single flux quantum systems

T Jabbari, EG Friedman - Proceedings of the Workshop on System-Level …, 2020 - dl.acm.org
On-chip signal routing has become an issue of growing importance in modern VLSI
complexity single flux quantum (SFQ) systems. In this paper, different routing methods for …

Superconducting single flux quantum (SFQ) technology for power-efficiency computing

J Ren, G Tang, F Wang, S Li, P Qu, X Gao… - CCF Transactions on …, 2022 - Springer
Superconducting integrated circuits (ICs) based on Josephson junctions (JJs) and
superconducting materials subvert semiconductor ICs at the device level. For over 50 years …

Design and Implementation of a Pipelined Bit-Serial SFQ Microprocessor,

Y Yamanashi, M Tanaka, A Akimoto… - IEEE transactions on …, 2007 - ieeexplore.ieee.org
A pipelined 8-bit-serial single-flux-quantum (SFQ) microprocessor, called CORE1beta, was
designed and tested. The CORE1beta has two cascaded arithmetic logic units (ALUs) based …

64-GHz datapath demonstration for bit-parallel SFQ microprocessors based on a gate-level-pipeline structure

R Kashima, I Nagaoka, M Tanaka… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
We successfully demonstrated an 8-bit-wide, bit-parallel datapath composed of an arithmetic
logic unit and register files for high-throughput oriented SFQ microprocessors based on a …

Transmission lines in VLSI complexity single flux quantum systems

T Jabbari, EG Friedman - 2023 Photonics & Electromagnetics …, 2023 - ieeexplore.ieee.org
Superconductive electronics based on Josephson junctions (JJ) is a promising cryogenic
alternative technology to complementary metal oxide semiconductor (CMOS) technology for …

H-tree clock synthesis in RSFQ circuits

T Jabbari, EG Friedma, J Kawa - 2020 17th Biennial Baltic …, 2020 - ieeexplore.ieee.org
Rapid single flux quantum (RSFQ) technology promises high performance, energy efficient
supercomputers to achieve DoE exascale computing. An important challenge in VLSI …