Titlebook: Single Flux Quantum Integrated Circuit Design; Gleb Krylov,Tahereh Jabbari,Eby G. Friedman Book 2024Latest edition The Editor(s) (if appli

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Superconductive IC Manufacturingure size and number of layers in modern SCE technology being less deeply scaled as compared to semiconductor technologies, numerous challenges exist in manufacturing superconductive electronics. The materials used during the different fabrication steps interact in complex mechanical, chemical, and e

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Splitter Trees in Single Flux Quantum Circuitsates can only drive a single output. Splitter gates can however distribute an SFQ pulse to multiple fanout. To drive N SFQ gates, N . 1 splitters with a fanout of two are required. Large splitter trees are often used in high speed VLSI complexity SFQ systems. These splitters require significant area

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SFQ/DQFP Interface Circuitse. In this chapter, interface circuits between single flux quantum (SFQ) and directly coupled quantum flux parametron (DQFP) logic families to achieve high speed, low power hybrid superconductive computing systems are presented. In the DQFP-to-SFQ interface, margins greater than .20% of the critical

mechanism

Sense Amplifier for Spin-Based Cryogenic Memory Cellnic environment. Recent research suggests the use of cryogenic spin-based memory—magnetic tunnel junctions and spin valves. In this chapter, a sense amplifier topology for a spin-based cryogenic memory cell is proposed and described. The nanocryotron (nTron) device is used as a driver for a spin-bas

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SFQ Circuits for Quantum Computingorithms. Significant scaling of the many cohesive components within a quantum computing system is necessary to achieve quantum advantage for practical tasks. An essential element of any quantum computer is the control and measurement system. Classical superconductive electronics and SFQ circuits in

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Synchronizationock network, as unlike CMOS, most logic gates are clocked. AQFP circuits however utilize a multiphase AC power network for synchronization. In a self-timed asynchronous circuit, where a global clock network is absent, handshaking gates and protocols are necessary. Timing tolerances in all of these s

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GALS Clocking and Shared Interconnect for Large-Scale SFQ Systems the width of each data bus is extended to carry the corresponding clock signal. This signal activates the distribution of the clock signals within the receiving block. Based on this approach for intra-chip interconnect within SFQ systems, a configurable shared bus is also presented. The data are at