| ZHANG Kuozhong(张阔中)* **,HUANG Junying*,ZHANG Hui***,TANG Guangming*,ZHANG Zhimin*,YE Xiaochun*.[J].高技术通讯(英文),2023,(4):335~347 |
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| Design and implementation of control system forsuperconducting RSFQ circuit |
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| DOI：10. 3772/ j. issn. 1006-6748. 2023. 04. 001 |
| 中文关键词: |
| 英文关键词: single flux quantum, superconducting rapid single flux quantum (RSFQ) circuit, superconducting control system, clock generator, asynchronous communication interface circuit |
| 基金项目: |
| Author Name | Affiliation | | ZHANG Kuozhong(张阔中)* ** | (*State Key Laboratory of Processors, Institute of Computing Technology,Chinese Academy of Sciences, Beijing 100190, P. R. China)
(**University of Chinese Academy of Sciences, Beijing 101408, P. R. China)
(***Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences,Shanghai 200050, P. R. China) | | HUANG Junying* | | | ZHANG Hui*** | | | TANG Guangming* | | | ZHANG Zhimin* | | | YE Xiaochun* | |
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| 中文摘要: |
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| 英文摘要: |
| The superconducting rapid single flux quantum (RSFQ) integrated circuit is a promising solution
for overcoming speed and power bottlenecks in high-performance computing systems in the post-
Moore era. This paper presents an architecture designed to improve the speed and power limitations
of high-performance computing systems using superconducting technology. Since superconducting
microprocessors, which operate at cryogenic temperatures, require support from semiconductor circuits,
the proposed design utilizes the von Neumann architecture with a superconducting RSFQ microprocessor,
cryogenic semiconductor memory, a room temperature field programmable gate array
(FPGA) controller, and a host computer for input/ output. Additionally, the paper introduces two
key circuit designs: a start/ stop controllable superconducting clock generator and an asynchronous
communication interface between the RSFQ and semiconductor chips used to implement the control
system. Experimental results demonstrate that the proposed design is feasible and effective, providing
valuable insights for future superconducting computer systems. |
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