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Wiring method, device and equipment for equilong arrangement of PCB transmission lines

A wiring device and transmission line technology, applied in the direction of design optimization/simulation, etc., can solve problems such as failure to meet delay requirements and equal length requirements, so as to reduce mutual coupling, reduce length, and improve the ability to meet delay requirements Effect

Active Publication Date: 2020-05-08
GUANGDONG INSPUR BIG DATA RES CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004]However, when the PCB space reserved for equal-length PCB transmission lines is limited, there is a contradiction between the spacing of the PCB transmission lines and the area of ​​the wiring space, which may The delay requirement cannot be met, and thus the equal length requirement cannot be met

Method used

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  • Wiring method, device and equipment for equilong arrangement of PCB transmission lines
  • Wiring method, device and equipment for equilong arrangement of PCB transmission lines
  • Wiring method, device and equipment for equilong arrangement of PCB transmission lines

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Embodiment Construction

[0047] The core of the present invention is to provide a wiring method, device, equipment and computer-readable storage medium in which PCB transmission lines are arranged with equal lengths, which are used to improve the ability of PCB transmission lines to meet delay requirements and then meet equal-length requirements in a limited wiring space. probability.

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0049] image 3 It is a flow chart of a wiring method for setting equal lengths of PCB transmissio...

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Abstract

The invention discloses a wiring method for equilong arrangement of PCB transmission lines. The initial length of the transmission line and the delay requirement for the transmission line are determined according to the equal-length requirement of the PCB transmission line, the transmission line routing scheme with the minimum number of side-by-side routing lines is determined according to the PCBspare space form and the initial length, and finally the length of the transmission line is adjusted to meet the delay requirement. Starting from a PCB unoccupied space form, the number of side-by-side wires is reduced; mutual coupling between side-by-side wiring is reduced; according to the transmission wiring scheme, under the same time delay requirement, the length of the required transmissionline can be reduced, the area occupied by the overall wiring space of the transmission line is reduced, and therefore the probability that the PCB transmission line meets the time delay requirement on the limited wiring space is increased, and the equal-length requirement is met. The invention also discloses a wiring device and equipment for equilong arrangement of the PCB transmission line, anda computer readable storage medium, which have the above beneficial effects.

Description

technical field [0001] The present invention relates to the technical field of PCB, in particular to a wiring method, device, equipment and a computer-readable storage medium in which PCB transmission lines are arranged with equal lengths. Background technique [0002] When high-speed digital signals are transmitted, the signal flow is from the driver along the PCB transmission line to the load end, including data signals and clock signals. All data needs to be collected with changes in the edge of the clock signal. For high-speed parallel signals, multiple bits simultaneously Acquisition, at this time, it is necessary for the time points of these transmission signals to reach the load to be as consistent as possible. This is a common isochronous requirement, which is reflected in the PCB transmission line that needs to be wound to make equal lengths. [0003] figure 1 A schematic diagram of a routing method set for equal lengths of PCB transmission lines in the prior art; ...

Claims

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Application Information

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IPC IPC(8): G06F30/20
Inventor 孙龙
Owner GUANGDONG INSPUR BIG DATA RES CO LTD
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