CN101539955A - Layout method for circuit design - Google Patents
Layout method for circuit design Download PDFInfo
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- CN101539955A CN101539955A CN200810086619A CN200810086619A CN101539955A CN 101539955 A CN101539955 A CN 101539955A CN 200810086619 A CN200810086619 A CN 200810086619A CN 200810086619 A CN200810086619 A CN 200810086619A CN 101539955 A CN101539955 A CN 101539955A
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Abstract
The invention discloses a layout method for a circuit design, which is suitable for distributing parts of a plurality of circuit diagrams on a layout of a printed circuit board. The method comprises the following steps: at the design stage of the beginning of the layout method, correspondingly generating an other parts selecting sheet relative to main selecting parts, wherein the other selecting parts sheet provides other parts which have wire drawing relationship with a weld pad of the main selecting parts and the other parts have the same mesh wire attributes as the weld pad, distributing the other parts beside the weld pad of the main selecting components according to design required files and keeping the safe distance of the wire drawing, then arraying the other parts in the other selecting parts sheet according to the priority sequence, and adjusting the distributing direction of the distributed other parts to be in line with the wire drawing direction of the weld pad of the main parts. The method can automatically present the other parts with interrelated attributes in a group mode. Therefore, the method can improve the working efficiency of electric parts layout and save time.
Description
Technical field
The invention relates to a kind of circuit layout, and particularly relevant for the method that can improve the electronic component positioning efficiency.
Background technology
Layout slip-stick artist can utilize the circuit layout program to come Aided Design when carrying out circuit layout usually.How tradition has put each part and is wherein important process on printed circuit board (PCB) during the layout cabling.What deserves to be mentioned is that on integral layout putting the time that part spends also is more in comparison.Usually put part that the mode of part can use according to designed circuit diagram, desire etc. the part of desiring to put is accessed singly, according to every page of wiring diagram these parts are put singly again.It is independently of one another that traditional disposing way, the part of each page circuit diagram are put.When choosing a part, the circuit layout program can't have other part of association attributes to present in group's mode automatically, and suitable waste of manpower when therefore choosing part especially when the part that uses is many, just more requires a great deal of time.Moreover, when increasing along with the number of pages of designed circuit diagram, the degree of difficulty of putting part also can significantly rise.
Clearly, traditional disposing way is labor intensive and time not only, and generation is artificially selected wrong part or drawn wrong line easily, thereby reduce work efficiency widely.More and more complicated for fear of present circuit design, if can simplified topology design, so just solved problem that all slip-stick artists face greatly.
Summary of the invention
The layout method that the purpose of this invention is to provide a kind of circuit design can improve the positioning efficiency of electronic component in the multipage circuit design.
The invention provides a kind of layout method of circuit design, be applicable to that the part with the multipage circuit diagram is configured on the layout of printed circuit board (PCB), layout method comprises the steps.Provide the main separation part from one of them figure of multipage circuit diagram, and produce main separation part configuration-direct on layout according to this main separation part, main separation part configuration-direct is layout one weld pad at least, and wherein weld pad has attribute of network wire.Produce choose other the part list relevant with the main separation part, wherein choosing other part lists is to provide other parts that the backguy relation is arranged with described weld pad according to the multipage circuit diagram, and described other parts have the attribute of network wire that is same as weld pad.Carry out the layout configuration-direct according to the designing requirement file, wherein the layout configuration-direct is disposed at the next door of weld pad and keeps the backguy safe distance in order to other parts that will choose on other part lists.Execution priority order instruction instructs each other parts on the alignment placement figure according to the right of priority order.
In one embodiment of this invention, other parts that wherein are same as this attribute of network wire of this weld pad comprise the part that the backguy relation is arranged with this weld pad.
In one embodiment of this invention, wherein during the step of execution priority order instruction, the instruction of right of priority order is the degree according to electromagnetic interference effect main separation part, compares the next door that other minimum parts preferentially are disposed at weld pad with electromagnetic interference effect.
In one embodiment of this invention, wherein during the step of execution priority order instruction, the instruction of right of priority order is the power consumption level according to described each other parts, compares the next door that other minimum parts preferentially are disposed at weld pad with power consumption.
In one embodiment of this invention, wherein during the step of execution priority order instruction, the instruction of right of priority order is the priority that is used as disposing part according to the sequencing that following part occurs: the appearance value of electric capacity is by little extremely greatly, resistance, diode, inductance, or above-mentioned variation combination.
In one embodiment of this invention, wherein the layout method of circuit design comprises that carrying out one adjusts the direction instruction, is consistent in order to the configuration direction of other parts that will be configured with the stayguy direction of described weld pad.
In one embodiment of this invention, step that wherein carry out to adjust the direction instruction comprises that the stayguy direction of the weld pad of other parts that then are configured is consistent with the stayguy direction maintenance horizontal direction of the weld pad of main separation part when the stayguy direction of the weld pad of main separation part is horizontal direction.
In one embodiment of this invention, step that wherein carry out to adjust the direction instruction comprises that the stayguy direction of the weld pad of other parts that then are configured is consistent with the stayguy direction maintenance vertical direction of the weld pad of main separation part when the stayguy direction of the weld pad of main separation part is vertical direction.
The design phase that the present invention begins because of circuit layout is promptly early corresponding to produce relevant with the main separation part one and chooses other part lists.Wherein, choose other part lists one of them related other parts of weld pad with the main separation part are provided, described other parts have the attribute of network wire that is same as described weld pad.Then, dispose other parts in the next door of the described weld pad of described main separation part and keep the backguy safe distance according to the designing requirement file.Then, arrange described each other parts of choosing in other part lists with the right of priority order.The present invention can have other part of association attributes to present in group's mode automatically.Therefore, the work efficiency that can improve the electronic component layout with save time.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, embodiments of the invention cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 illustrates and is the process flow diagram according to the layout method of the circuit design of the embodiment of the invention.
Fig. 2 illustrates the synoptic diagram for the layout method of a circuit design that is derived by Fig. 1 embodiment.
Fig. 3 illustrates the synoptic diagram for the layout method of another circuit design that is derived by Fig. 1 embodiment.
Embodiment
Below will propose embodiment, be illustrated, and more can understand the layout method that the present invention also can implement following circuit design according to this in the hope of tool common knowledge in this area is looked at the present invention.
Fig. 1 illustrates and is the process flow diagram according to the layout method of the circuit design of the embodiment of the invention.Present embodiment is with printed circuit board (PCB) (the printed circuit board of multipage circuit diagram design, PCB) part placement is an example, at first by step S101, from one of them figure of multipage circuit diagram, provide the main separation part, and produce main separation part configuration-direct on layout, main separation part configuration-direct is layout one weld pad at least, and wherein said weld pad has netting twine (net) attribute.This main separation part can be a topmost part from the multipage circuit diagram, also can be less important part.In step S101, can need access the main separation part according to design, earlier the main separation part is configured, this main separation part for example can be integrated circuit (integrated circuit, IC), therefore need be at the several weld pads of main separation part placement (pad) to cooperate each pin on the main separation part, wherein the connection of each weld pad of main separation part all has and the relevant attribute of network wire of its weld pad itself.Then by step S103, produce relevant with the main separation part one and choose other part lists, wherein choosing other part lists is to provide other parts that the backguy relation is arranged with one of them weld pad of described main separation part according to described multipage circuit diagram, and described other parts have the attribute of network wire of the described weld pad that is same as described main separation part.Then by step S105, carry out the layout configuration-direct according to a designing requirement file, wherein said layout configuration-direct is in order to the next door of the weld pad that described other parts of choosing on other part lists is disposed at described main separation part and keep the backguy safe distance.Described designing requirement file in step S105 can be according to manufacturing (the design for manufacture that requires, DFM, or be called towards the design of making) file, according to the part of its regulation and the safe distance between the part, dispose other parts.Then, carry out right of priority order instruction, instruct according to described right of priority order and arrange each other parts on the described layout by step S107.
In the multipage circuit diagram, especially when using many parts, layout method of PCB design so, layout slip-stick artist does not require a great deal of time and manpower, do not need to compare seriatim and look for again part yet, therefore made things convenient for the carrying out of layout work.
Hold above-mentionedly,, from one of them figure of multipage circuit diagram, access a filtering IC and be used as the main separation part if the layout slip-stick artist is when part placement begins.On layout, having the part that circuit couples relation with filtering IC has: the electric capacity that filtering is used, inductance or diode, these correlation filtering parts will the mode with a group or modular be listed on other part lists that produced.And when listing the correlation filtering part, instruct and arrange each part, and the right of priority order of arranging each correlated parts can be used as disposing the priority of part according to the sequencing that following part occurs with a right of priority order: the appearance value of electric capacity by little to big, resistance, diode, inductance.The order that those skilled in the art should understand right of priority should not exceed with present embodiment, the right of priority order can also be considered electromagnetic interference (EMI) (electromagnetic interference, EMI) influence the degree of main separation part, the right of priority order can also be according to power (power) the consumption degree of each other parts, compare the next door that other minimum parts preferentially are disposed at weld pad with power consumption, so the right of priority order can there be various variation combinations according to circuit design.
What deserves to be mentioned is, for the layout slip-stick artist, when the main separation part by after clicking and list the part of associated nets line attribute, on topological design, will significantly reduce complicated work, can save manpower and time, and then increase work efficiency.
The layout method of Fig. 1 can also comprise step S109, carries out one and adjusts the direction instruction, and be consistent in order to the configuration direction of other parts that will be configured with the stayguy direction of the weld pad of described main separation part.
Illustrate further and please refer to Fig. 2, Fig. 2 illustrates the synoptic diagram for the layout method of a circuit design that is derived by Fig. 1 embodiment.The main separation part 200 of Fig. 2 has 20 pin positions, and correspondingly on layout uses 20 weld pads.Notice weld pad 201 in one of them of main separation part 200, and relevantly with the weld pad 201 of main separation part 200 have the part that circuit couples relation and have: electric capacity 210, electric capacity 220, resistance 230, inductance 240, wherein the appearance value of electric capacity 210 is less than the appearance value of electric capacity 220.Use each process step of Fig. 1 embodiment in the present embodiment, and present embodiment is in step S107, the configuration priority (right of priority is from large to small) that part adopted is: the appearance value of electric capacity by little to big, resistance, inductance.In addition, present embodiment is in step S109, and carrying out and adjusting the direction instruction is that stayguy direction according to weld pad 201 is a horizontal direction, and the stayguy direction of the weld pad of other parts that will be configured also keeps horizontal direction consistent with the stayguy direction of weld pad 201.Therefore, electric capacity 210 optimums as shown in Figure 2 near weld pad 201, are electric capacity 220, resistance 230, inductance 240 then first in regular turn.
Those of ordinary skill in the art should understand, and the present invention should not exceeded with Fig. 2 embodiment, so long as the configuration direction of other parts that are configured is consistent with the stayguy direction of the weld pad of main separation part, and spirit promptly according to the invention.
For clearer explaination spirit of the present invention lifting an example again, please refer to Fig. 3, Fig. 3 illustrates the synoptic diagram for the layout method of another circuit design that is derived by Fig. 1 embodiment.The main separation part 300 of Fig. 3 has 20 pin positions and correspondingly on layout uses 20 weld pads.Notice the weld pad 301 in one of them of main separation part 300, and relevantly with the weld pad 301 of main separation part 300 have the part that circuit couples relation and have: resistance 310, resistance 320, wherein the resistance of resistance 310 is less than the resistance of resistance 320.Use each process step of Fig. 1 embodiment in the present embodiment, and present embodiment is in step S107, the configuration priority (right of priority is from large to small) that part adopted is: the resistance of resistance by little to big.In addition, present embodiment is in step S109, and carrying out and adjusting the direction instruction is that stayguy direction according to weld pad 301 is a vertical direction, and the stayguy direction of the weld pad of other parts that will be configured also keeps vertical direction consistent with the stayguy direction of weld pad 301.Therefore, resistance 310 optimums as shown in Figure 3 are first near weld pad 301, and then order is a resistance 320.
What deserves to be mentioned is, for the layout slip-stick artist, the pin direction of other parts that are configured is to keep arranging consistent with the pin direction of main separation part, can allow the layout slip-stick artist find the information of wanting easily, further more can improve the work efficiency of electronic component layout and saves time.
In sum, the present invention promptly early correspondingly produced relevant with the main separation part one and chooses other part lists in design phase that circuit layout begins.Wherein, choose other part lists provide the backguy relation with one of them weld pad of main separation part other parts, and the part with the attribute of network wire that is same as this weld pad is provided.Then, arrange described each other parts of choosing in other part lists with the right of priority order.Moreover the configuration direction of adjusting other parts that are configured is consistent with the stayguy direction of the weld pad of main separation part.Therefore, all enforcement of the present invention has following advantage at least:
1. do not need with too much complicated manual type layout part flow process and complexity that can simplified design;
2. realize the part placement work of grouping;
3. the correlated parts that will have identical attribute of network wire can allow the user can find the information of wanting easily in once compiling;
4. the work efficiency that improves the electronic component layout with save time.
Though the present invention discloses as above with 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 (8)
1. the layout method of a circuit design is applicable to that the part with the multipage circuit diagram is configured on the layout of printed circuit board (PCB), and this layout method comprises:
Provide a main separation part from one of them figure of multipage circuit diagram, and produce a main separation part configuration-direct on this layout according to this main separation part, this main separation part configuration-direct is layout one weld pad at least, and wherein this weld pad has an attribute of network wire;
Produce relevant with this main separation part one and choose other part lists, wherein this to choose other part lists be to provide and related other parts of this weld pad according to this multipage circuit diagram, described other parts have this attribute of network wire that is same as this weld pad;
Carry out a layout configuration-direct according to a designing requirement file, wherein this layout configuration-direct is disposed at the next door of this weld pad and keeps a backguy safe distance in order to other parts of this being chosen on other part lists; And
Carry out right of priority order instruction, instruct according to this right of priority order and arrange each other parts on this layout.
2. the layout method of circuit design as claimed in claim 1 is characterized in that, other parts that are same as this attribute of network wire of this weld pad comprise the part that the backguy relation is arranged with this weld pad.
3. the layout method of circuit design as claimed in claim 1, it is characterized in that, when carrying out the step of this right of priority order instruction, this right of priority order instruction is the degree according to this main separation part of electromagnetic interference effect, compares the next door that other minimum parts preferentially are disposed at this weld pad with electromagnetic interference effect.
4. the layout method of circuit design as claimed in claim 1, it is characterized in that, when carrying out the step of this right of priority order instruction, this right of priority order instruction is the power consumption level according to described each other parts, compares the next door that other minimum parts preferentially are disposed at this weld pad with power consumption.
5. the layout method of circuit design as claimed in claim 1, it is characterized in that, when carrying out the step of this right of priority order instruction, this right of priority order instruction is the priority that is used as disposing part according to the sequencing that following part occurs: the appearance value of electric capacity is by little extremely greatly, resistance, diode, inductance, or above-mentioned variation combination.
6. the layout method of circuit design as claimed in claim 1 is characterized in that, also comprises: carrying out one and adjust the direction instruction, is consistent in order to the configuration direction of other parts that will be configured with the stayguy direction of this weld pad.
7. the layout method of circuit design as claimed in claim 6 is characterized in that, the step of carrying out this adjustment direction instruction also comprises:
When the stayguy direction of this weld pad was horizontal direction, the stayguy direction of the weld pad of other parts that then are configured kept horizontal direction consistent with the stayguy direction of this weld pad.
8. the layout method of circuit design as claimed in claim 6 is characterized in that, the step of carrying out this adjustment direction instruction also comprises:
When the stayguy direction of this weld pad was vertical direction, the stayguy direction of the weld pad of other parts that then are configured kept vertical direction consistent with the stayguy direction of this weld pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810086619A CN101539955A (en) | 2008-03-20 | 2008-03-20 | Layout method for circuit design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810086619A CN101539955A (en) | 2008-03-20 | 2008-03-20 | Layout method for circuit design |
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| CN101539955A true CN101539955A (en) | 2009-09-23 |
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| CN200810086619A Pending CN101539955A (en) | 2008-03-20 | 2008-03-20 | Layout method for circuit design |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270250A (en) * | 2010-06-04 | 2011-12-07 | 英业达股份有限公司 | Layout method of circuit board |
| CN104978441A (en) * | 2014-04-03 | 2015-10-14 | 纬创资通股份有限公司 | Circuit layout method and circuit layout device |
| CN107484344A (en) * | 2017-08-30 | 2017-12-15 | 中国航空无线电电子研究所 | PCB layout methods based on acp chip PIN |
| CN107908867A (en) * | 2017-11-14 | 2018-04-13 | 中国科学院上海微系统与信息技术研究所 | A kind of layout design method of triplication redundancy circuit |
-
2008
- 2008-03-20 CN CN200810086619A patent/CN101539955A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270250A (en) * | 2010-06-04 | 2011-12-07 | 英业达股份有限公司 | Layout method of circuit board |
| CN104978441A (en) * | 2014-04-03 | 2015-10-14 | 纬创资通股份有限公司 | Circuit layout method and circuit layout device |
| CN107484344A (en) * | 2017-08-30 | 2017-12-15 | 中国航空无线电电子研究所 | PCB layout methods based on acp chip PIN |
| CN107484344B (en) * | 2017-08-30 | 2019-10-01 | 中国航空无线电电子研究所 | PCB layout method based on core chips PIN foot |
| CN107908867A (en) * | 2017-11-14 | 2018-04-13 | 中国科学院上海微系统与信息技术研究所 | A kind of layout design method of triplication redundancy circuit |
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Open date: 20090923 |