CN108846179A - A kind of differential lines line width line-spacing design method and system based on Cadence skill - Google Patents
A kind of differential lines line width line-spacing design method and system based on Cadence skill Download PDFInfo
- Publication number
- CN108846179A CN108846179A CN201810542376.3A CN201810542376A CN108846179A CN 108846179 A CN108846179 A CN 108846179A CN 201810542376 A CN201810542376 A CN 201810542376A CN 108846179 A CN108846179 A CN 108846179A
- Authority
- CN
- China
- Prior art keywords
- line
- spacing
- line width
- skill
- program
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000013461 design Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010586 diagram Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/392—Floor-planning or layout, e.g. partitioning or placement
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Architecture (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Abstract
The present invention relates to server board card technique field, a kind of differential lines line width line-spacing design method based on Cadence skill is provided and system, method include：Write the Skill program of adjust automatically differential lines line width and line-spacing；Selection needs to change the HW High Way of line width and line-spacing, then runs Skill program；The numerical value that line width to be changed and line-spacing are inputted in currently running Skill program, after the built-in formula operation of program, board is changed to line width and line-spacing after change automatically.The present invention passes through the program by writing adjust automatically line width line-spacing, designer only needs selection signal line to input corresponding numerical value, it can export automatically and currently meet the line width line-spacing of design requirement, solve the problems, such as planning wiring bring time-consuming again, improve work efficiency and designing quality.
Description
Technical field
The present embodiments relate to server board card technique fields, and in particular to a kind of difference based on Cadence skill
Separated time line width line-spacing design method and system.
Background technique
Server board is stuck in PCB design phase, is frequently encountered because product demand change causes board lamination to change
The case where.The signal wire on server board is mainly based on HW High Way at this stage, typically, the rule of HW High Way
Drawing wiring occupied research and development time accounts for board always researches and develops the time 1/3 or more.The variation of board lamination believes high speed
The line width and line-spacing of number line change, and rearrange so as to cause with the good HW High Way of preplanning, not only make in this way
The work of research staff increases significantly, and also results in the postponement of development project.
Based on the above issues, the present invention proposes a kind of differential lines line width line-spacing design method based on Cadence skill
And system, differential lines line width line-spacing required for being calculated automatically by software, the wiring of planning again of board is avoided, plate is reduced
The R & D design time of card.
Summary of the invention
The embodiment of the present invention provides a kind of differential lines line width line-spacing design method and system based on Cadence skill,
The line width line-spacing for replacing differential lines automatically by program solves the problems, such as that board plans the time-consuming of wiring again.
In order to solve the above technical problems, the invention discloses following technical solutions：
First aspect present invention provides a kind of differential lines line width line-spacing design method based on Cadence skill, packet
Include following steps：
Write the Skill program of adjust automatically differential lines line width and line-spacing；
Selection needs to change the HW High Way of line width and line-spacing, then runs Skill program；
The numerical value that line width to be changed and line-spacing are inputted in currently running Skill program passes through the built-in public affairs of program
After formula operation, board is changed to line width and line-spacing after change automatically.
Based on above scheme, this method does following optimization：
It is described to need to change the HW High Way of line width and line-spacing in selection as optimization, then run Skill program it
Before, it is further comprising the steps of：The Skill program write is put into Skill menu.
Further, it is used to calculate line width in Skill program and the built-in formula of line-spacing is：S=S1 ± S2；Wherein S=
Line width or line-spacing value after change, the line width or line-spacing value of S1=before changing, S2=need the line width or line-spacing value changed.
The differential lines line width line-spacing design method based on Cadence skill, the board are changed to become as described above
After line width and line-spacing after more, Skill the end of the program, and program exports Done order.
Second aspect of the present invention provides a kind of differential lines line width line-spacing designing system based on Cadence skill, institute
The system of stating includes：
Unit is write, for writing the Skill program of adjust automatically differential lines line width and line-spacing；
Running unit for selecting to need to change the HW High Way of line width and line-spacing, and runs Skill program；
Output unit, for inputting the numerical value of line width to be changed and line-spacing in currently running Skill program, then
Line width and line-spacing after the built-in formula operation of program, after automatic output change.
Further, the system also includes storage units will compile for running unit before running Skill program
The Skill program that r/w cell is write is stored in Skill menu.
Further, it is used to calculate line width in the output unit and the built-in formula of line-spacing is：S=S1 ± S2；Wherein S
Line width or line-spacing value after=change, the line width or line-spacing value of S1=before changing, S2=need the line width or line-spacing value changed.
Differential lines line width line-spacing designing system based on Cadence skill as described above, the output unit output
After line width and line-spacing after change, the end of the program, output unit exports Done order.
The technical solution that embodiments herein provides includes following beneficial effect：
Differential lines line width line-spacing design method provided by the embodiments of the present application based on Cadence skill, including write
The Skill program of adjust automatically differential lines line width and line-spacing；Selection needs to change the HW High Way of line width and line-spacing, operation
Skill program；The numerical value that line width to be changed and line-spacing are inputted in currently running Skill program, by built in program
After formula operation, board is changed to line width and line-spacing after change automatically.The design method of the embodiment of the present application, by writing certainly
The program of dynamic adjustment line width line-spacing, designer only need selection signal line to input corresponding numerical value, can export automatically current
The line width line-spacing for meeting design requirement solves the problems, such as planning wiring bring time-consuming again, improves work efficiency and design
Quality.
The differential lines line width line-spacing designing system based on Cadence skill that second aspect of the present invention provides, Neng Goushi
The differential lines line width line-spacing design method of existing first aspect, and obtain identical effect.
Detailed description of the invention
The drawings herein are incorporated into the specification and constitutes part of specification, shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Fig. 1 is a kind of process for differential lines line width line-spacing design method based on Cadence skill that embodiment provides
Schematic diagram；
Fig. 2 is the input interface schematic diagram of differential lines line width line-spacing；
Fig. 3 is a kind of structure for differential lines line width line-spacing designing system based on Cadence skill that embodiment provides
Schematic diagram.
Appended drawing reference：
1- writes unit, 2- storage unit, 3- running unit, 4- output unit.
Specific embodiment
To make those skilled in the art more fully understand the technical solution in the present invention, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work all should belong to what the present invention protected
Range.
Fig. 1 is a kind of differential lines line width line-spacing design method based on Cadence skill provided by the embodiments of the present application
Flow diagram, as shown in Figure 1, the design method of the present embodiment includes the following steps：
S1, the Skill program for writing adjust automatically differential lines line width and line-spacing；
S2, the Skill program write is put into Skill menu；
S3, selection need to change the HW High Way of line width and line-spacing, then run Skill program；
S4, the numerical value that line width to be changed and line-spacing are inputted in currently running Skill program, by built in program
After formula operation, board is changed to line width and line-spacing after change automatically；
S5, Skill the end of the program, program export Done order.
Specifically, the differential lines line width line-spacing design method based on Cadence skill as described above, the step
In S4, the input interface of differential lines line width line-spacing is as shown in Fig. 2, original line width line-spacing is 6.3mil/4.7mil in Fig. 2, now
The new line width line-spacing changed is being needed to be 5mil/8mil, then only needing to insert in the box below corresponding need to change
Numerical value.Further, it is used to calculate line width in the S4, in Skill program and the built-in formula of line-spacing is：S=S1 ±
S2；The wherein line width or line-spacing value after S=change, the line width or line-spacing value of S1=before changing, S2=need the line width that changes or
Line-spacing value.
Fig. 3 is a kind of differential lines line width line-spacing designing system based on Cadence skill provided by the embodiments of the present application
Structural schematic diagram, from the figure 3, it may be seen that the designing system of the present embodiment includes：
Unit 1 is write, for writing the Skill program of adjust automatically differential lines line width and line-spacing；
Storage unit 2 will be write the Skill program that unit is write and deposited for running unit before running Skill program
It is put into Skill menu；
Running unit 3 for selecting to need to change the HW High Way of line width and line-spacing, and runs Skill program；
Output unit 4, for inputting the numerical value of line width to be changed and line-spacing in currently running Skill program, so
Line width and line-spacing after the built-in formula operation for passing through program afterwards, after automatic output change.
Specifically, the differential lines line width line-spacing designing system based on Cadence skill as described above, the output
It is used to calculate line width in unit 4 and the built-in formula of line-spacing is：S=S1 ± S2；The wherein line width or line-spacing value after S=change,
The line width or line-spacing value of S1=before changing, S2=need the line width or line-spacing value changed.Further, the output of output unit 4 becomes
After line width and line-spacing after more, the end of the program, output unit exports Done order.
The differential lines line width line-spacing design method and system based on Cadence skill of the present embodiment, by writing certainly
The program of dynamic adjustment line width line-spacing, designer only need selection signal line to input corresponding numerical value, can export automatically current
The line width line-spacing for meeting design requirement solves existing in the prior art when the line width line-spacing of HW High Way changes
Lead to the problem of rearranging with the good HW High Way of preplanning, save design time, improves work efficiency and product
Designing quality.
The above is only a specific embodiment of the invention, is made skilled artisans appreciate that or realizing this hair
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of differential lines line width line-spacing design method based on Cadence skill, which is characterized in that include the following steps：
Write the Skill program of adjust automatically differential lines line width and line-spacing；
Selection needs to change the HW High Way of line width and line-spacing, then runs Skill program；
The numerical value that line width to be changed and line-spacing are inputted in currently running Skill program is transported by the built-in formula of program
After calculation, board is changed to line width and line-spacing after change automatically.
2. a kind of differential lines line width line-spacing design method based on Cadence skill according to claim 1, feature
Be, it is described to need to change the HW High Way of line width and line-spacing in selection, before then running Skill program, further include with
Lower step：The Skill program write is put into Skill menu.
3. a kind of differential lines line width line-spacing design method based on Cadence skill according to claim 2, feature
It is, is used to calculate line width in Skill program and the built-in formula of line-spacing is：S=S1 ± S2；The wherein line width after S=change
Or line-spacing value, the line width or line-spacing value of S1=before changing, S2=need the line width or line-spacing value changed.
4. a kind of differential lines line width line-spacing design method based on Cadence skill according to claim 1, feature
It is, after the board is changed to the line width after change and line-spacing, Skill the end of the program, and program exports Done order.
5. a kind of differential lines line width line-spacing designing system based on Cadence skill, which is characterized in that including：
Unit is write, for writing the Skill program of adjust automatically differential lines line width and line-spacing；
Running unit for selecting to need to change the HW High Way of line width and line-spacing, and runs Skill program；
Then output unit passes through for inputting the numerical value of line width to be changed and line-spacing in currently running Skill program
Line width and line-spacing after the built-in formula operation of program, after automatic output change.
6. a kind of differential lines line width line-spacing designing system based on Cadence skill according to claim 5, feature
It is, the system also includes storage units will write what unit was write for running unit before running Skill program
Skill program is stored in Skill menu.
7. a kind of differential lines line width line-spacing designing system based on Cadence skill according to claim 6, feature
It is, is used to calculate line width in the output unit and the built-in formula of line-spacing is：S=S1 ± S2；The wherein line after S=change
Wide or line-spacing value, the line width or line-spacing value of S1=before changing, S2=need the line width or line-spacing value changed.
8. a kind of differential lines line width line-spacing design method based on Cadence skill according to claim 7, feature
It is, after the line width and line-spacing after the output unit output change, the end of the program, output unit exports Done order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810542376.3A CN108846179A (en) | 2018-05-30 | 2018-05-30 | A kind of differential lines line width line-spacing design method and system based on Cadence skill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810542376.3A CN108846179A (en) | 2018-05-30 | 2018-05-30 | A kind of differential lines line width line-spacing design method and system based on Cadence skill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108846179A true CN108846179A (en) | 2018-11-20 |
Family
ID=64211078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810542376.3A Withdrawn CN108846179A (en) | 2018-05-30 | 2018-05-30 | A kind of differential lines line width line-spacing design method and system based on Cadence skill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108846179A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911814A (en) * | 2021-02-02 | 2021-06-04 | 环荣电子(惠州)有限公司 | Method and system for automatically adjusting line width and line distance of differential pair signals |
| WO2022266881A1 (en) * | 2021-06-23 | 2022-12-29 | Intel Corporation | Printed circuit board pin field signal routing |
| CN116070576A (en) * | 2023-01-28 | 2023-05-05 | 苏州浪潮智能科技有限公司 | Differential signal line-to-line-spacing modification method and device, electronic equipment and storage medium |
-
2018
- 2018-05-30 CN CN201810542376.3A patent/CN108846179A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911814A (en) * | 2021-02-02 | 2021-06-04 | 环荣电子(惠州)有限公司 | Method and system for automatically adjusting line width and line distance of differential pair signals |
| CN112911814B (en) * | 2021-02-02 | 2023-02-10 | 环荣电子(惠州)有限公司 | Method and system for automatically adjusting line width and line distance of differential pair signals |
| WO2022266881A1 (en) * | 2021-06-23 | 2022-12-29 | Intel Corporation | Printed circuit board pin field signal routing |
| CN116070576A (en) * | 2023-01-28 | 2023-05-05 | 苏州浪潮智能科技有限公司 | Differential signal line-to-line-spacing modification method and device, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108846179A (en) | A kind of differential lines line width line-spacing design method and system based on Cadence skill | |
| US10268794B2 (en) | Editing a NoC topology on top of a floorplan | |
| US5729467A (en) | Method of and system for routing | |
| CN103208046A (en) | Workflow engine architecture method and system based on interactive dynamic flow diagram | |
| CN107241227A (en) | A kind of configuration of network data form and generation method | |
| US10824782B2 (en) | Information processing device, recording medium recording production plan generation program, and production plan generation method | |
| US9208277B1 (en) | Automated adjustment of wire connections in computer-assisted design of circuits | |
| CN103955577A (en) | Computer automatic design method for mechanical equipment | |
| CN105631581A (en) | Structured process design method for discrete manufacturing industry | |
| CN106034380A (en) | Manufacturing method of printed circuit board | |
| CN109857875A (en) | A kind of electronic record group volume method and system | |
| CN107273133A (en) | A kind of method of monitoring of tools graphic definition | |
| CN106780302A (en) | A kind of digital picture automatic keyline layout method and device | |
| CN109857969A (en) | Data form view processing method, system and computer readable storage medium | |
| CN110309364A (en) | A kind of information extraction method and device | |
| CN103823912B (en) | Circuit arrangement method and device | |
| CN108959439A (en) | A kind of data template generation method and system | |
| JP2019091559A (en) | Production management device of wire harness and production management method of wire harness | |
| CN108255916A (en) | Method, equipment, client terminal device and the electronic equipment that Webpage is presented | |
| CN105701071A (en) | Document header and footer adjustment method and device | |
| CN103428578B (en) | A kind of method and system configuring TV menu language | |
| CN104715357A (en) | Method and device for document configuration | |
| CN116958293A (en) | Flow chart drawing system for planning optimization software | |
| CN108121872A (en) | A kind of method of quick highlighted part | |
| CN114945247B (en) | Method, device, equipment and storage medium for inquiring elements outside PCB |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181120 |
|
| WW01 | Invention patent application withdrawn after publication |