CN101539956A - System and method for arranging signal wire - Google Patents
System and method for arranging signal wire Download PDFInfo
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- CN101539956A CN101539956A CN200810086737A CN200810086737A CN101539956A CN 101539956 A CN101539956 A CN 101539956A CN 200810086737 A CN200810086737 A CN 200810086737A CN 200810086737 A CN200810086737 A CN 200810086737A CN 101539956 A CN101539956 A CN 101539956A
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Abstract
A system and a method for arranging a signal wire are applied to an electronic device provided with circuit pattern arrangement software used for designing a printed circuit board. When the signal wire arrangement is carried out between a first pin and a second pin which are in a pin region of a chip on the designed printed circuit board, if the distance between the signal wire and the first and the second pins is less than a safe distance, the arranging line width of the signal wire is calculated, and the signal wire is arranged between the first pin and the second pin according to the calculated arranging line width through the circuit pattern arrangement software.
Description
Technical field
The present invention relates to a kind of signal wire arranging system and method, more detailed it, be equipped on to have and lay on the electronic installation of software, to lay the signal wire arranging system and the method for operation carrying out signal wire between first pin in the pin zone of the chip on the designed printed circuit board (PCB) and second pin in order to the circuit pattern of designing printed circuit board.
Background technology
Develop rapidly along with electronics technology, the integrated degree of electronic component is also more and more higher, with common central processing element (CPU) is example, since in the chip integrated number of transistors become multiple to increase, make the fast lifting that requires of chip sealing, simultaneously also can make its profile smaller and more exquisite, the packaged type of chip is always in constantly developing, dip (the DIP of the seventies in 20th century for example, Dual In-line Package), then be developed to the LSI of the nineties, VLSI, encapsulation such as ULSI, so far Chang Yong ball grid array (Ball Grid Array; Development trends such as BGA) encapsulation, and even CSP encapsulation.
Because the Chip Packaging volume dwindles, therefore carry out wiring operations and also have not little difficulty at printed circuit board (PCB).Though generally adopted wiring software to carry out the design of circuit pattern at present, right because there is certain limitation in this wiring software on function, therefore when actual design, still have some places to produce a desired effect.
With chip bga; because the pin zone of chip bga is little; relative; distance between each pin is also very little; when using the pin area routing of the chip bga of wiring software on designed printed circuit board (PCB); because the width of signal wire is preset by standard in this pin zone; so when between described pin, carrying out the laying operation of signal wire; regular meeting can't make between the pin of the signal wire laid and both sides and all possess safe distance; so need follow-uply manually adjust; revise or attempt the signal wire of other live width of replacing etc.; prolong wiring time greatly, thereby reduced work efficiency.
Therefore, how to find a kind of improved wiring method, remedying above-mentioned various shortcoming, thereby promote work efficiency, become the present problem that solves of needing then.
Summary of the invention
Shortcoming in view of above-mentioned prior art, the present invention provides a kind of signal wire arranging system and method, by cooperating existing circuit pattern to lay the laying operation of software with the signal wire of finishing suitable live width automatically, convenient and swift and be difficult for makeing mistakes, promoted work efficiency greatly.
For reaching above-mentioned and other purpose, the invention provides a kind of signal wire arranging system.This signal wire arranging system is equipped in order to the circuit pattern of designing printed circuit board and lays software, wherein, this circuit pattern is laid running software on an electronic installation, between first pin in the pin zone of the chip on the designed printed circuit board (PCB) and second pin, to lay a signal wire, and in this electronic installation, also be mounted with a wiring software database, store in this wiring software database this first, the safe distance between second pin and this signal wire and the default live width of this signal wire, this system comprises: extraction module, in order to this wiring software database certainly capture this first, the safe distance between second pin and this signal wire and the default live width of this signal wire; Whether judge module can make between this signal wire and this first pin and second pin apart from greater than this safe distance, if then lay by this circuit pattern laying software in order to the default live width of judging the signal wire captured; If not, then send live width change signal; And live width computing module, when being used to receive this live width change signal, calculate the live width laid of this signal wire, so that this can lay live width satisfy between this signal wire and this first pin, second pin apart from all greater than this safe distance condition, and then lay software by this circuit pattern and lay this signal wire between this first, second pin by the live width laid of calculating gained.
In an embodiment, this signal wire arranging system also comprises a reminding module, being used to this judge module judges the default live width of this signal wire and makes between this signal wire and this first pin and second pin apart from less than this safe distance the time live width of this signal wire of prompting change; And, this can lay live width be make this signal wire between this first, second pin apart from the maximum line width for the safe distance time; In addition, this first, second pin is adjacent pin.
Simultaneously, signal wire arranging system of the present invention also comprises a setting module, be connected in this wiring software database, in order to first, second pin stored in this software database and the default live width of the safe distance between this signal wire and this signal wire are set, and, calculate the live width laid of this signal wire for this live width computing module according to the content generation live width change signal that sets.Method for cabling signal wires of the present invention is applied to lay software in order to the circuit pattern of designing printed circuit board, wherein, this circuit pattern is laid running software on an electronic installation, between first pin in the pin zone of the chip on the designed printed circuit board (PCB) and second pin, to lay a signal wire, and in this electronic installation, also be mounted with a wiring software database, store in this wiring software this first, the safe distance between second pin and this signal wire and the default live width of this signal wire, this method may further comprise the steps from this wiring software database capture this first, the safe distance between second pin and this signal wire and the default live width of this signal wire; And whether the default live width of judging this signal wire can make between this signal wire and this first pin and second pin apart from greater than this safe distance, if then lay software by this circuit pattern and lay; If not, then calculate the live width laid of this signal wire, so that this can lay live width satisfy between this signal wire and this first pin, second pin apart from all greater than this safe distance condition, and lay software between this first, second pin by this circuit pattern, lay this signal wire by the live width laid of calculating gained.
In an embodiment, in the method for cabling signal wires of the present invention, make between this signal wire and this first pin and second pin apart from the time less than this safe distance in the default live width of judging this signal wire, the live width of this signal wire is changed in prompting; And, this can lay live width be make this signal wire between this first, second pin apart from the maximum line width for the safe distance time; In addition, this first, second pin is adjacent pin.
Simultaneously, method for cabling signal wires of the present invention, also comprise the step that the default live width of first, second pin of being stored in this software database and the safe distance between this signal wire and this signal wire is set, to calculate the live width laid of this signal wire according to the content that sets.Than prior art, signal wire arranging system of the present invention and method are to be applied to have in order to the circuit pattern of designing printed circuit board lay on the electronic installation of software, carrying out signal wire between first pin in the pin zone of the chip on designed printed circuit board (PCB) and second pin lays when operating, this signal wire and this first, in the time that distance being less than a safe distance between second pin, calculate the live width laid that this signal wire live width can satisfy this safe distance condition according to this safe distance and default spacing, and can lay live width by this circuit pattern laying software by this and be connected up.Therefore, signal wire arranging system of the present invention and method are by cooperating existing wiring software to finish the live width adjustment of the signal wire between pin in the pin zone of the chip on the designed printed circuit board (PCB) with the robotization of software control mode and laying operation, convenient and swift and be difficult for makeing mistakes, promote work efficiency greatly, avoided all drawbacks in the aforementioned prior art.
Description of drawings
Fig. 1 is the system architecture block schematic diagram of signal wire arranging system of the present invention;
Operation interface in order to the setting contents such as default live width of the safe distance between setting pin and the signal wire and this signal wire is provided among Fig. 2 another embodiment for signal wire arranging system of the present invention; And
Fig. 3 is the schematic flow sheet of method for cabling signal wires of the present invention.
The simple declaration of element numbers
1 circuit pattern is laid software
10 wiring software databases
2 signal wire arranging systems
20 extraction modules
21 judge modules
22 live width computing modules
23 reminding modules
24 setting modules
S1 to S5 step
Embodiment
Below be that those skilled in the art can understand other advantages of the present invention and effect easily by the content that this instructions disclosed by specific instantiation explanation embodiments of the present invention.The present invention also can be implemented or be used by other different instantiations, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.
See also Fig. 1, show the system architecture block schematic diagram of signal wire arranging system 2 of the present invention.Signal wire arranging system 2 of the present invention is equipped in order to the circuit pattern of designing printed circuit board (PCB) and lays software 1, wherein, this circuit pattern is laid software 1 and is run on the electronic installation, between first pin in the pin zone of the chip bga on the designed printed circuit board (PCB) 11 (being illustrated) and second pin, to lay a signal wire at this, and in this electronic installation, also be mounted with a wiring software database 10, wherein store the safe distance between this first, second pin and this signal wire and the default live width of this signal wire.In present embodiment, this electronic installation is computer etc. for example, it can for example be Allegro that this circuit pattern is laid software 1, the wiring software of Mentor etc., this wiring software all can prestore all kinds of component attributes by different electrical codes in database, as in the pin zone of chip bga, between pin (pin) and pin (pin) or the default spacing between pin (pin) and signal wire (line), or the default live width of aforesaid signal wire etc.In this palpus explanation is that the pin zone on the designed printed circuit board (PCB) is not to exceed with the pin zone of chip bga.
Signal wire arranging system 2 of the present invention comprises extraction module 20, judge module 21 live width computing modules 22, reminding module 23 at least.
This extraction module 20 is connected in this wiring software database 10, in order to the safe distance between this database 10 these first, second pins of acquisition and this signal wire and the default live width of this signal wire certainly.In present embodiment, this wiring software database 10 is the database of all kinds of component attributes that prestore that aforesaid wiring software has, and generally should store the contents such as default live width of the signal wire of various interelement safe distance values and zones of different at least.
Whether this judge module 21 can make between this signal wire and this first pin or this second pin apart from greater than this safe distance, if then directly lay by this circuit pattern laying software 1 in order to the default live width of judging the signal wire extracted; Then send live width change signal if not.In present embodiment, this judge module 21 is can be for example to know the distance values of this signal wire and this first pin, second pin by this wiring software, and then compared, perhaps can have a detecting unit under other practical situation detects this spacing and also can, because such technology is common, so do not give unnecessary details in addition.
When this live width computing module 22 is used to receive this live width change signal, calculate the live width laid of this signal wire, so that this signal wire live width satisfy between this signal wire and this first pin, second pin apart from all greater than this safe distance condition, and then lay software 1 by this circuit pattern and lay this signal wire between this first, second pin by the live width laid of calculating gained.In present embodiment, this signal wire is to wait to be laid between this first pin and this second pin, and need all to possess safe distance with this first pin and this second pin, two pins, therefore, when actual calculating can with this first, the distance values subtraction signal line of second pin respectively to this first, the default safe distance value of two pins of second pin and, with with the difference of gained live width as this signal wire, wherein, should default safe distance be the pin (pin) that is pre-stored in as the aforementioned in the database default spacing to signal wire (line), and, the difference of gained should be the maximum line width of this signal wire at this moment, because if its live width increase again can't satisfy possess between this signal wire and this first pin or second pin safe distance condition, therefore, only need according to actual demand (for example electrical code requirement, customer requirements etc.) value gets final product in less than the scope of this maximum line width, be not must by this maximum line width come in this first, laying signal wire between second pin.
This reminding module 23 in the live width that this judge module 21 is judged the signal wire that desire lays make this signal wire and this first pin or and second pin between distance the time greater than safe distance, then on this designed printed circuit board (PCB) 11, show about present different design information normally, change the live width of signal wire with the prompting designer, also be, can change the live width of this signal wire according to the aforesaid live width computing module 22 obtained live widths laid, so that this signal wire live width satisfies this signal wire and this first pin, between second pin apart from all greater than safe distance rule.
What must illustrate is that signal wire arranging system of the present invention also comprises a setting module 24, in order to these wiring software database 10 interior first, second pins stored and the default live width of the safe distance between this signal wire and this signal wire are set.In present embodiment, this setting module 24 can provide as shown in Figure 2 an operation interface, and with between pin (pin) in the aforesaid wiring software database 10 and pin (pin) or the setting contents such as default distance values between pin (pin) and signal wire (line) listed, and then can be set described numerical value, on this designed printed circuit board (PCB) 11, to show about present different design information normally at this reminding module 23, set for the designer by the operation interface that this setting module 24 is provided, and send live width change signal according to the content that sets, to calculate the live width laid of this signal wire once more by aforesaid live width computing module 22, so that this signal wire live width satisfies this signal wire and this first pin, between second pin apart from all greater than this safe distance the obtained live width laid of condition change the live width of this signal wire so that this signal wire live width satisfies this signal wire and this first pin, between second pin apart from all greater than safe distance rule.
As shown in Figure 3, be in order to show the operation workflow synoptic diagram of method for cabling signal wires of the present invention, method for cabling signal wires of the present invention is applied to the circuit pattern of printed circuit board (PCB) (PCB) and lays software 1, wherein, it is to run on the electronic installation that this circuit pattern is laid software 1, between first pin in the pin zone of the chip bga on this printed circuit board (PCB) and second pin, to lay a signal wire, and in this electronic installation, also be mounted with a wiring software database 10, wherein store this first, the safe distance between second pin and this signal wire and the default live width of this signal wire, this method comprises:
In step S1, from the safe distance between these wiring software database 10 these first, second pins of acquisition and this signal wire and the default live width of this signal wire.In present embodiment, safe distance promptly for example for the aforementioned pin that prestores (pin) to the distance of signal wire (line) etc.Then carry out step S2.
In step S2, whether the default live width of judging this signal wire can make between this signal wire and this first pin or this second pin apart from greater than this safe distance, if then carry out step S3; If not, then carry out step S4.
In step S3, lay the laying operation that software 1 carries out the signal wire between this first, second pin by this circuit pattern.
In step S4, calculate the default live width of laying of this signal wire, thereby make this signal wire live width satisfy between this signal wire and this first pin, second pin apart from all greater than this safe distance condition.In present embodiment, this signal wire is laid between this two pin, therefore when reality is laid, find two respectively with the vertical range of this two pin be safe distance parallel lines as the sideline of this signal wire, promptly can make the signal wire of this maximum line width, certainly, also have other modes of much laying by method of geometry, but not as limit.Then carry out step S5, in step S5, lay software 1, signal wire is laid between this first, second pin by the live width laid of calculating gained by this circuit pattern.
Among another embodiment of method for cabling signal wires of the present invention, between this step S2 and step S4, comprise that also the prompting designer changes the live width of this signal wire so that the designer learn the live width of the signal wire of being laid at present made this signal wire and this first pin or and second pin between distance greater than safe distance.
In addition, method for cabling signal wires of the present invention also comprises: the step that the default live width of first, second pins of being stored in this wiring software database 10 and the safe distance between this signal wire and this signal wire is set.In present embodiment, promptly for example pass through operation interface as shown in Figure 2, setting contents such as default distance values between the pin (pin) in the aforesaid wiring software database 10 and pin (pin) or between pin (pin) and signal wire (line) etc. are listed, and then can be supplied described numerical value is set.
Certainly, the present invention can to realize many-sided application the of the present invention, be not to exceed with present embodiment according to actual demand increase perforation (Via) safe distance to the pin of signal wire (Line) and other elements to signal wire etc. for example yet.
Than prior art, signal wire arranging system of the present invention and method are applied to have in order to the circuit pattern of designing printed circuit board (PCB) and lay on the electronic installation of software, when operating to carrying out the signal wire laying between first pin in the pin zone of chip bga and second pin, if this signal wire and this first, in the time that distance being less than a safe distance between second pin, according to this safe distance, and the default spacing of being stored calculates the live width laid that this signal wire live width can satisfy this safe distance condition in this wiring software, and lays software by this circuit pattern and can lay live width by this and connected up.
Therefore, signal wire arranging system of the present invention and method are by cooperating existing wiring software to finish the live width adjustment of the signal wire between pin in the pin zone of chip bga with the robotization of software control mode and laying operation, convenient and swift and be difficult for makeing mistakes, promote work efficiency greatly, avoided all drawbacks in the aforementioned prior art.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, the scope of the present invention, the claim scope is listed as described later.
Claims (10)
1, a kind of signal wire arranging system, be equipped in order to the circuit pattern of designing printed circuit board and lay software, wherein, this circuit pattern is laid running software on an electronic installation, between first pin in the pin zone of the chip on the designed printed circuit board (PCB) and second pin, to lay a signal wire, and in this electronic installation, also be mounted with a wiring software database, store in this wiring software database this first, the safe distance between second pin and this signal wire and the default live width of this signal wire, it is characterized in that this signal wire arranging system comprises:
Extraction module captures the safe distance between this first, second pin and this signal wire and the default live width of this signal wire in order to this wiring software database certainly;
Whether judge module can make between this signal wire and this first pin and second pin apart from greater than this safe distance, if then lay by this circuit pattern laying software in order to the default live width of judging the signal wire captured; If not, then send live width change signal; And
The live width computing module, when being used to receive this live width change signal, calculate the live width laid of this signal wire, so that this can lay live width satisfy between this signal wire and this first pin, second pin apart from all greater than this safe distance condition, and then lay software by this circuit pattern and lay this signal wire between this first, second pin by the live width laid of calculating gained.
2, signal wire arranging system according to claim 1, it is characterized in that, also comprise reminding module, being used to this judge module judges the default live width of this signal wire and makes between this signal wire and this first pin and second pin apart from less than this safe distance the time live width of this signal wire of prompting change.
3, signal wire arranging system according to claim 1 is characterized in that, this can lay live width be make this signal wire between this first, second pin apart from the maximum line width for the safe distance time.
4, signal wire arranging system according to claim 1 is characterized in that, this first, second pin is adjacent pin.
5, signal wire arranging system according to claim 1, it is characterized in that, also comprise a setting module, in order to first, second pin stored in this wiring software database and the default live width of the safe distance between this signal wire and this signal wire are set, and, calculate the live width laid of this signal wire for this live width computing module according to the content generation live width change signal that sets.
6, a kind of method for cabling signal wires, be applied to lay software in order to the circuit pattern of designing printed circuit board, wherein, this circuit pattern is laid running software on an electronic installation, between first pin in the pin zone of the chip on the designed printed circuit board (PCB) and second pin, to lay a signal wire, and in this electronic installation, also be mounted with a wiring software database, store in this wiring software database this first, the safe distance between second pin and this signal wire and the default live width of this signal wire, it is characterized in that this method for cabling signal wires may further comprise the steps:
The safe distance in this wiring software database between this first, second pin of acquisition and this signal wire and the default live width of this signal wire; And
Whether the default live width of judging this signal wire can make between this signal wire and this first pin and second pin apart from greater than this safe distance, if then lay software by this circuit pattern and lay; If not, then calculate the live width laid of this signal wire, so that this can lay live width satisfy between this signal wire and this first pin, second pin apart from all greater than this safe distance condition, and lay software between this first, second pin by this circuit pattern, lay this signal wire by the live width laid of calculating gained.
7, method for cabling signal wires according to claim 6 is characterized in that, makes between this signal wire and this first pin and second pin apart from less than this safe distance the time in the default live width of judging this signal wire, and the live width of this signal wire is changed in prompting.
8, method for cabling signal wires according to claim 6 is characterized in that, this can lay live width be make this signal wire between this first, second pin apart from the maximum line width for the safe distance time.
9, method for cabling signal wires according to claim 6 is characterized in that, this first, second pin is adjacent pin.
10, method for cabling signal wires according to claim 6, it is characterized in that, also comprise the step that the default live width of first, second pin of being stored in this wiring software database and the safe distance between this signal wire and this signal wire is set, to calculate the live width laid of this signal wire according to the content that sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810086737A CN101539956A (en) | 2008-03-20 | 2008-03-20 | System and method for arranging signal wire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810086737A CN101539956A (en) | 2008-03-20 | 2008-03-20 | System and method for arranging signal wire |
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| CN101539956A true CN101539956A (en) | 2009-09-23 |
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| CN200810086737A Pending CN101539956A (en) | 2008-03-20 | 2008-03-20 | System and method for arranging signal wire |
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| CN102915154A (en) * | 2012-10-29 | 2013-02-06 | 烟台正海科技有限公司 | Method for processing lines of touch panels |
| TWI468962B (en) * | 2010-07-22 | 2015-01-11 | Hon Hai Prec Ind Co Ltd | System and method of checking distances between anti-pads and a signal lines |
| CN104504204A (en) * | 2014-12-19 | 2015-04-08 | 上海斐讯数据通信技术有限公司 | System and method for arranging ground protectionlines in PCB |
| CN106407490A (en) * | 2015-07-27 | 2017-02-15 | 英属开曼群岛商达盟***有限公司 | System and method for discovering unknown problematic patterns in chip design layout |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI468962B (en) * | 2010-07-22 | 2015-01-11 | Hon Hai Prec Ind Co Ltd | System and method of checking distances between anti-pads and a signal lines |
| CN102915154A (en) * | 2012-10-29 | 2013-02-06 | 烟台正海科技有限公司 | Method for processing lines of touch panels |
| CN104504204A (en) * | 2014-12-19 | 2015-04-08 | 上海斐讯数据通信技术有限公司 | System and method for arranging ground protectionlines in PCB |
| CN104504204B (en) * | 2014-12-19 | 2018-02-06 | 上海斐讯数据通信技术有限公司 | In pcb board protective wire wiring system and wiring method |
| CN106407490A (en) * | 2015-07-27 | 2017-02-15 | 英属开曼群岛商达盟***有限公司 | System and method for discovering unknown problematic patterns in chip design layout |
| CN106407490B (en) * | 2015-07-27 | 2019-10-25 | 应用材料公司 | The System and method for of unknown problem pattern is found in chip design layout |
| CN106815444A (en) * | 2017-01-20 | 2017-06-09 | 福州大学 | A kind of method of automatic measurement PCB map files component distance |
| CN106815444B (en) * | 2017-01-20 | 2020-05-08 | 福州大学 | Method for automatically measuring distance between PCB (printed circuit board) drawing components |
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Open date: 20090923 |