A design method for the layout of the golden finger of the board and the server board
A server board and design method technology, applied in CAD circuit design, computer-aided design, computer design circuit, etc., can solve the problems of high bit error rate of signal transmission and low quality of high-speed signal transmission.
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Embodiment 1
[0042] see Figure 5 , Figure 5 It is a schematic flow chart of a method for designing a layout at a golden finger of a board provided by an embodiment of the present application. Depend on Figure 5 It can be seen that the layout design method of the golden finger of the board in this application mainly includes the following process:
[0043] S1: According to the type of the GND pin on the gold finger of the board and the space between the gold finger and the GND via on the board, set the number of GND vias interconnected with the GND pin so that the GND pins can be interconnected GND via reaches the maximum number.
[0044] see Figure 6 , Figure 6 for Figure 6 It is a schematic structural diagram of the layout wiring at the golden finger in the embodiment of the present application. Generally, there are two types of GND pins on the gold fingers of server boards: single GND pins and double GND pins. Depend on Figure 6 It can be seen that, in this embodiment, th...
Embodiment 2
[0055] The present application also provides a server board, the server board includes a gold finger, and the layout design of the gold finger is carried out by the above-mentioned method. Specifically, multiple groups of GND pins are provided on the golden finger, and each group of GND pins is combined and interconnected with two or more GND vias to form a signal return path.
[0056] Among them, the GND pins on the golden finger include single-pin GND pins and double-pin GND pins. In the server board, the number of GND vias set for different types of GND pins is different. Any single GND pin and two GND vias are combined and interconnected to form a signal return path; any double GND pin is connected to three The GND vias are combined and interconnected to form a signal return path.
[0057] In any signal return path in this application, all GND vias are closely adjacent to the GND pins in the signal return path.
[0058] Further, in a signal return path, the distance betw...
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