CN101567016A - Winding method of circuittopology - Google Patents
Winding method of circuittopology Download PDFInfo
- Publication number
- CN101567016A CN101567016A CNA2008100955271A CN200810095527A CN101567016A CN 101567016 A CN101567016 A CN 101567016A CN A2008100955271 A CNA2008100955271 A CN A2008100955271A CN 200810095527 A CN200810095527 A CN 200810095527A CN 101567016 A CN101567016 A CN 101567016A
- Authority
- CN
- China
- Prior art keywords
- line
- winding
- signal lines
- signal wire
- signal
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a winding method of a circuittopology. The winding method comprises the steps of taking a longest signal wire as a primary signal wire, taking rest signal wires as a plurality of auxiliary signal wires, and then adjusting the winding of the primary signal wire to ensure that winding set can be carried out on the auxiliary signal wires according to the pattern of the primary signal wire after winding, therefore, in the invention, the winding design is only needed once for the signal wires, the adjustment of the signal wires in the wiring aspect can be finished, and the adjusted signal wires are mutually parallel in a layout.
Description
Technical field
The invention relates to a kind of method for winding, and particularly relevant for a kind of method for winding of circuit layout.
Background technology
In the circuit layout design, a layout tends to present simultaneously hundreds of even more electronic component and signal wire.Based on portability and stability that electronic product is stressed, the layout type of electronic component and signal wire often must be under limited layout area, and the corresponding relation of seeking the best is avoided the generation of coupling path.For example, in integrated circuit, for avoiding signal wire (especially differential lines to) to walk the quality of design that influences signal in the longitude and latitude interlaced area of glass fabric, topological design now adopts the design (coiling design) of adjusting angle of lay to avoid this problem mostly.
Fig. 1 illustrates the partial enlarged drawing into traditional layout.With reference to Fig. 1, conventional in layout Figure 100 comprises many signal line, the signal wire 111～118 and 121～128 that for example Fig. 1 indicated.At this, conventional art is to be the coilings design that benchmark carries out 10 degree angles with the shortest signal wire 111.When finishing coiling design for the first time, as shown in Figure 1, the adjustment of angle of lay is not all carried out in signal wire 113～118 and 121～128 first part.
At this moment, the deviser must repeat the coiling design, just can cause signal wire 113～118 and 121～128 to finish the adjustment of angle of lay.It should be noted that Fig. 2 illustrates is the partial enlarged drawing of signal wire 121～128 after repeating to wind the line.With reference to Fig. 2, can find out significantly that the signal wire 121～128 after repeating to wind the line can't be parallel to each other, and then form cabling irregular with cabling space not by problems such as utilizations rationally.
In other words, conventional art can't once be finished the coiling design in the process of configuration signal line, and then increases deviser's workload and reduce its work efficiency.Moreover, even if conventional art utilizes the mode repeat to wind the line to finish the adjustment of angle of lay, also will cause exist between the signal wire cabling irregular with cabling space not by problems such as utilizations rationally.
Summary of the invention
The invention provides a kind of method for winding of circuit layout, the coiling that only needs respectively signal wire to be carried out once designs, and just can finish the adjustment of signal wire on angle of lay, and cause adjusted signal wire to be parallel to each other on layout.
The present invention proposes a kind of method for winding of circuit layout, comprises the following steps.At first, from layout, select many signal line.In addition, when described many signal line are parallel to each other, described many signal line are divided into a main signal line and many sub signal lines, the length of wherein said main signal line is respectively greater than the length of described many sub signal lines.Afterwards, described main signal line is carried out the coiling of special angle, to incite somebody to action the partly a plurality of broken line shape of described main signal line coiled line segment.
Moreover, can carry out the coiling of special angle according to the pattern of main signal line in order to cause described many sub signal lines, at first, be benchmark with described a plurality of broken line shape line segments two-end-point separately, find out described many sub signal lines reference position separately.Afterwards, be starting point from the reference position of described many sub signal lines, come described many sub signal lines are carried out the coiling of special angle.Thus, the coiling that described many signal line only need to see through is respectively once set, and just can finish its adjustment on angle of lay.
In one embodiment of this invention, above-mentioned is benchmark with described a plurality of broken line shape line segments two-end-point separately, and the step of finding out described many sub signal lines reference position separately is as described below.At first, from described many sub signal lines, select one as default line.Afterwards, along direction, from described a plurality of broken line shape line segments, find out the pairing broken line shape of the initiating terminal line segment of described default line perpendicular to described default line.
Moreover the two-end-point with the pairing broken line shape of described default line line segment is a starting point respectively, extends two dummy line.Wherein, mutually vertical with described default the line for a moment and formation point of crossing of its of described two dummy line.By this, will be the reference position of described default line with described point of crossing, and repeat above-mentioned steps, till described many sub signal lines are regarded as described default line one by one.
In one embodiment of this invention, the method for winding of described circuit layout further comprises, described layout is provided; Read the attribute of described many signal line; And differentiate described many signal line and whether be parallel to each other.
The present invention is considered as main signal line with the longest signal wire, and remaining signal wire is considered as many sub signal lines.Afterwards, the adjustment that the present invention will wind the line to main signal line earlier is to cause the setting that can wind the line according to the pattern of the main signal line after the coiling of described many sub signal lines.By this, the coiling that the present invention only needs respectively signal wire to be carried out once designs, and just can finish the adjustment of signal wire on angle of lay, and cause adjusted signal wire to be parallel to each other on layout.In other words, with conventional art in comparison, the present invention will help to reduce the workload of deviser in the circuit layout design, and reduce signal wire spent layout area on layout effectively.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 illustrates the partial enlarged drawing into traditional layout.
Fig. 2 illustrates and is the partial enlarged drawing of signal wire 121～128 after repeating to wind the line.
Fig. 3 illustrates the method for winding process flow diagram into the circuit layout of foundation one embodiment of the invention.
Fig. 4 A～Fig. 4 C illustrates and is the arrangement plan in order to signal wire in the layout of key diagram 3 embodiment.
Embodiment
Fig. 3 illustrates the method for winding process flow diagram into the circuit layout of foundation one embodiment of the invention.With reference to Fig. 3, at first, in step S310, provide layout.Afterwards, see through step S320 and come from layout, to select many signal line.For instance, Fig. 4 A illustrates the arrangement plan into signal wire in the layout, wherein three signal line of signal wire 410～430 for being uneven in length.For convenience of description, will suppose that below signal wire 410～430 is the selected many signal line of step S320, carries out the explanation of each steps flow chart among Fig. 3.
Please after selected many signal line, will read the attribute of these signal wires simultaneously with reference to Fig. 3 and Fig. 4 A through step S330.For example, will read the live width and the line-spacing of signal wire 410～430 this moment.Afterwards, in step S340, differentiate these signal wires and whether be parallel to each other.If these signal wires are parallel to each other, then with execution in step S350.For instance, because signal wire 410～430 is parallel each other, therefore see through the judgement of step S340, signal wire 410～430 will be performed step S350.
In step S350, will divide into a main signal line and many sub signal lines to these signal wires.Wherein, the length of main signal line is respectively greater than the length of described sub signal line.For instance, with reference to Fig. 4 A, because the length of signal wire 410 for the longest, therefore sees through step S350, signal wire 410 will be regarded as main signal line, and signal wire 420 and 430 then will be regarded as the sub signal line respectively.
Afterwards, will in step S360, carry out the coiling of special angle, to incite somebody to action the partly a plurality of broken line shape of main signal line coiled line segment to main signal line.For instance, signal wire 410 (main signal line) is after the adjustment of carrying out angle of lay (coiling design), and its configuration pattern on layout will be shown in Fig. 4 B.At this moment, Bu Fen signal wire 410 will be made of 411～417 on interconnective broken line shape line segment.
Please continue with reference to Fig. 3 and Fig. 4 B, in order to cause described many sub signal lines can carry out the coiling of special angle according to the pattern of main signal line, at first, in step S370, with described a plurality of broken line shape line segments two-end-point separately is benchmark, finds out described many sub signal lines reference position separately.
For instance, with reference to Fig. 4 B, step S370 can just from many sub signal lines, select one of them to be used as default line earlier from signal wire 420 and 430.If signal wire 420 is selected sub signal line, this moment, step S370 will find out the pairing broken line shape of the initiating terminal TM42 line segment 411 of signal wire 420 along the direction A perpendicular to signal wire 420 (default line) from broken line shape line segment 411～417.
Afterwards, step S370 can be respectively is starting point with the two-end-point N1 and the N2 of broken line shape line segment 411, extends two dummy line L41 and L42.Vertical mutually with the signal wire 420 for a moment and formation point of crossing NS42 of its that it should be noted that dummy line L41 and L42.By this, step S370 will be the reference position of point of crossing NS42 as signal wire 420.
Relatively, step S370 can be considered as default line to signal wire 430 further.At this moment, step S370 will hunt out broken line shape line segment 411 and also is the pairing broken line shape of the initiating terminal TM43 line segment of signal wire 430.Similarly, point of crossing NS43 that form will be defined as the reference position of signal wire 430 to dummy line L42 with signal wire 430 is vertical mutually.
Please continue with reference to Fig. 3, after finding out described many sub signal lines reference position separately, will be in step S380, be starting point from the reference position of described many sub signal lines, come described many sub signal lines are carried out the coiling of special angle.For instance, after the reference position NS42 of signal wire 420 and 430 and NS43 are hunted out, step S380 will be a starting point with reference position NS42, and signal wire 420 is carried out the coiling of special angle.Relatively, step S380 can be a starting point with reference position NS43 also, and signal wire 430 is carried out the coiling of special angle.At this moment, the configuration pattern of signal wire 420 and 430 on layout will be shown in Fig. 4 C.
Can learn that from Fig. 4 C the coiling that the described method for winding of present embodiment only needs respectively signal wire 410～430 to be carried out once designs, and just can finish the adjustment of signal wire 410～430 on angle of lay.In addition, adjusted signal wire 410～430 is parallel each other, so signal wire 410～430 spent layout area on layout can be reduced effectively.
Moreover the described special angle of present embodiment can be 10 degree angles.Yet be familiar with the coiling angle that this operator also can change signal wire according to design arbitrarily.In other words, though present embodiment provides the enforcement kenel of special angle, it is not in order to limit the present invention.
In sum, the present invention is considered as main signal line with the longest signal wire, and remaining signal wire is considered as the sub signal line.Afterwards, the adjustment that the present invention will wind the line to main signal line earlier is to cause the setting that can wind the line according to the pattern of the main signal line after the coiling of sub signal line.
By this, the coiling that the present invention only needs respectively signal wire to be carried out once designs, and just can finish the adjustment of signal wire on angle of lay.In other words, the present invention will help to reduce the workload of deviser in the circuit layout design, and then promote its work efficiency.In addition, the present invention can cause adjusted signal wire to be parallel to each other on layout, and then reduce signal wire spent layout area on layout effectively.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when with being as the criterion that claim was defined.
Claims (7)
1. the method for winding of a circuit layout comprises the following steps:
From layout, select many signal line;
When described many signal line are parallel to each other, described many signal line are divided into a main signal line and many sub signal lines, the length of wherein said main signal line is respectively greater than the length of described many sub signal lines;
Described main signal line is carried out the coiling of special angle, to incite somebody to action the partly a plurality of broken line shape of described main signal line coiled line segment;
With described a plurality of broken line shape line segments two-end-point separately is benchmark, finds out described many sub signal lines reference position separately; And
From the reference position of described many sub signal lines is starting point, comes described many sub signal lines are carried out the coiling of described special angle.
2. the method for winding of circuit layout according to claim 1 is characterized in that, is benchmark with described a plurality of broken line shape line segments two-end-point separately, and the step of finding out described many sub signal lines reference position separately comprises:
From described many sub signal lines, select one as default line;
Along direction, from described a plurality of broken line shape line segments, find out the pairing broken line shape of the initiating terminal line segment of described default line perpendicular to described default line;
Two-end-point with the pairing broken line shape of described default line line segment is a starting point respectively, extends two dummy line;
Mutually vertical with described default the line for a moment and formation point of crossing of its of described two dummy line; And
With described point of crossing is the reference position of described default line, and repeats above-mentioned steps, till described many sub signal lines are regarded as described default line one by one.
3. the method for winding of circuit layout according to claim 1 is characterized in that, it further comprises:
Described layout is provided.
4. the method for winding of circuit layout according to claim 1 is characterized in that, it further comprises:
Read the attribute of described many signal line.
5. the method for winding of circuit layout according to claim 4 is characterized in that, the wide and line-spacing of attribute kit vinculum of wherein said many signal line.
6. the method for winding of circuit layout according to claim 1 is characterized in that, it further comprises:
Whether differentiate described many signal line is parallel to each other.
7. the method for winding of circuit layout according to claim 1 is characterized in that, wherein said special angle is 10 degree angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100955271A CN101567016A (en) | 2008-04-22 | 2008-04-22 | Winding method of circuittopology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100955271A CN101567016A (en) | 2008-04-22 | 2008-04-22 | Winding method of circuittopology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101567016A true CN101567016A (en) | 2009-10-28 |
Family
ID=41283165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100955271A Pending CN101567016A (en) | 2008-04-22 | 2008-04-22 | Winding method of circuittopology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101567016A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609559A (en) * | 2011-01-20 | 2012-07-25 | 格罗方德半导体公司 | Methods for analyzing cells of a cell library |
| CN103886157A (en) * | 2014-03-28 | 2014-06-25 | 清华大学 | Method for unwinding buses in system in package under bilateral multi-bypass constraint |
-
2008
- 2008-04-22 CN CNA2008100955271A patent/CN101567016A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609559A (en) * | 2011-01-20 | 2012-07-25 | 格罗方德半导体公司 | Methods for analyzing cells of a cell library |
| CN102609559B (en) * | 2011-01-20 | 2015-06-03 | 格罗方德半导体公司 | Methods and device for analyzing cells of a cell library |
| CN103886157A (en) * | 2014-03-28 | 2014-06-25 | 清华大学 | Method for unwinding buses in system in package under bilateral multi-bypass constraint |
| CN103886157B (en) * | 2014-03-28 | 2016-10-12 | 清华大学 | In system in package, bus at the bilateral solution winding methods detoured under constraint more |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109947100B (en) | Path planning method and system and terminal equipment | |
| US10824166B2 (en) | Methods and systems of distributing task regions for a plurality of cleaning devices | |
| US8421572B2 (en) | Bobbin and transformer comprising the same | |
| US10566927B2 (en) | Method and system for optimizing the configuration of a solar power system | |
| US10816989B2 (en) | Methods and systems of distributing task areas for cleaning devices, and cleaning devices | |
| CN114386356A (en) | Wiring method, device, equipment and storage medium for chip design | |
| US20200394782A1 (en) | Method for planning screw locking path using ant colony algorithm | |
| CN101980326A (en) | Method and device for establishing public transport transfer network | |
| CN115081386B (en) | Wiring optimization method and device for integrated circuit and related equipment | |
| CN106095075A (en) | A kind of information processing method and augmented reality equipment | |
| CN107391137A (en) | Display method for electronic map, device and system | |
| CN103177300B (en) | Electric power line pole tower localization method | |
| CN106506188A (en) | A kind of method and apparatus for determining key node | |
| CN110149588A (en) | Determine the method, apparatus, equipment and storage medium of the position of unmanned plane base station | |
| CN101567016A (en) | Winding method of circuittopology | |
| CN113987995A (en) | Wiring scheme determination method and device, electronic equipment and storage medium | |
| CN104281561A (en) | Data recovery method and electronic equipment | |
| CN109858080B (en) | Equal-length wiring method and device applied to PCB design and storage medium | |
| CN109933857B (en) | Clock tree trunk topology generation method and system for sensing integrated circuit layout information | |
| TW201707826A (en) | Drilling path optimization method | |
| JP6174502B2 (en) | Route search device, route search method, computer program, and data structure | |
| CN103414962B (en) | A kind of long distance passive light net (LR-PON) method of allocation plan towards large-scale access | |
| CN102063517A (en) | Wiring check method | |
| CN105760584A (en) | Internal wiring method and system for chip | |
| CN102890731A (en) | Dfm improvement utility with unified interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091028 |