Superconducting interface asynchronous acquisition device

A technology of asynchronous acquisition and interface, applied in the direction of instruments, electrical digital data processing, etc., can solve the problem of uncleaned external signal clutter, etc., to achieve the effect of ensuring reliability

Active Publication Date: 2020-07-17
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the existing microprocessor architecture design, there is no device for cleaning up the external signal clutter problem.

Method used

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  • Superconducting interface asynchronous acquisition device
  • Superconducting interface asynchronous acquisition device
  • Superconducting interface asynchronous acquisition device

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Embodiment Construction

[0029] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0030] Figure 1A-Figure 1D A state transition diagram for the RSFQ logic device of the present invention is shown. In RSFQ circuits, the most basic device is a superconducting ring made of Josephson structures. In the superconducting RSFQ circuit, it is not the DC voltage in the usual digital circuit that is used to represent the binary information, but chooses whether there is a data SFQ pulse between two adjacent clock pulses in the superconducting RSFQ digital circuit to represent the binary The logic values ​​of the information are "1" and "0". The 0 state is the state without SFQ pulse input, and the 1 state is the state with SFQ pulse input.

[0031] Figure 1A For the state transition diagram of the SPL device, refer to Fi...

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Abstract

The invention provides a superconducting interface asynchronous acquisition device, which comprises an RDFF, a first NDRO and a control module, and the RDFF comprises a data input end used for receiving external input data; a clock input end used for receiving the enable signal, and the RDFF controls the data output of the RDFF according to the enable signal; the data output end is used for outputting an output signal to the data input end of the first NDRO; the first NDRO comprises a data input end used for receiving data output by the RDFF; the clock input end is used for receiving a first clock signal, wherein the first NDRO outputs data received from the RDFF based on the enable signal and the first clock signal; the control module is used for receiving an external zero clearing signal, generating a control signal according to the external zero clearing signal and the first clock signal, and transmitting the control signal to the reset end of the RDFF.

Description

technical field [0001] The invention relates to a data acquisition device, in particular to a superconducting interface asynchronous acquisition device based on superconducting high-speed single magnetic flux quantum technology. Background technique [0002] Superconducting high-speed single flux quantum (RSFQ) circuit technology and its low-power derivatives are expected to become the next-generation electronic circuit technology with ultra-low power consumption and ultra-high-speed computing. Circuits based on RSFQ technology are different from traditional semiconductor circuits. The former uses pulse transmission to express information, while the latter uses high and low levels. The active device of the RSFQ circuit is a Josephson junction, and the passive device is an inductor. Whereas CMOS circuits use transistors as active devices and capacitors as passive devices. At present, brand-new superconducting devices have been designed based on RSFQ technology, such as AND,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/16G06F13/42
CPCG06F13/1689G06F13/4226
Inventor 张志敏唐光明付荣亮张阔中
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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