JPS61122583A - Simulating method of circuit - Google Patents
Simulating method of circuitInfo
- Publication number
- JPS61122583A JPS61122583A JP59246740A JP24674084A JPS61122583A JP S61122583 A JPS61122583 A JP S61122583A JP 59246740 A JP59246740 A JP 59246740A JP 24674084 A JP24674084 A JP 24674084A JP S61122583 A JPS61122583 A JP S61122583A
- Authority
- JP
- Japan
- Prior art keywords
- current source
- circuit
- wiring network
- coordinates
- current
- 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
- 238000000034 method Methods 0.000 title claims description 6
- 238000004088 simulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/316—Testing of analog circuits
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
【発明の詳細な説明】
（技術分野）
本発明は回路シミエレーン、ｙ方法に関するものである
。TECHNICAL FIELD The present invention relates to a circuit simierane method.
（従来技術）
数多くの機能ブロックよ、シ構成される１０００個以上
のトランジスタを有するような大規模回路の電源配線網
に流れ、る電流を７ミーレーシ冒ンするこトハ、シミ為
し−ションプログラムの７もレート可能な素子数の制限
をはるかに越えているため従来不可能であった。(Prior Art) It is difficult to avoid staining the current flowing through the power supply wiring network of a large-scale circuit, such as one having more than 1000 transistors in a large number of functional blocks. 7 was previously impossible because it far exceeds the limit on the number of elements that can be rated.
（発明の目的）
本発明の目的は、短時間の計算時間で１０００個以上の
能動素子より構成される機能ブロックと電源配線網よシ
なる回路の動作状態における電源配線網に流れる電流を
求めるシミエレーシ１ン方法を提供することにある。(Objective of the Invention) The object of the present invention is to calculate the current flowing through a power supply wiring network in the operating state of a circuit consisting of a functional block composed of 1000 or more active elements and a power supply wiring network in a short calculation time. The objective is to provide a one-step method.
（発明の構成）
本発明によるシミニレ−ジョンは、下記のステップより
構築される回路モデルを使うことを特徴とする。(Structure of the Invention) The siminilation according to the present invention is characterized by using a circuit model constructed through the following steps.
■ 電源配線網を抵抗素子に置き換える。■ Replace the power supply wiring network with a resistive element.
■ 各機能ブロックを１つの電流源に置き換える。機能
ブロックが複数の電流源よプ構成されている場合は、そ
れらをまとめて、一つの電流源に統合する。■ Replace each functional block with one current source. If the functional block is composed of multiple current sources, combine them into one current source.
■ 上記電流源を各機能ブロックが配置されている上記
抵抗素子に付加する。その位置は、各機能ブロックに登
録されているブロック基準点座標と、そこを基準とした
電源コンタクトの相対位置座標よ）求まる。(2) Adding the above current source to the above resistance element where each functional block is arranged. Its position is determined by the block reference point coordinates registered in each functional block and the relative position coordinates of the power contact with respect to that point.
■ 外部電圧源、電流源そして抵抗素子よシ構成される
回路網を対象モデルとする。電流源の電流源値は、各機
能ブロックの端子電圧で参照できる様な、関数あるいは
、テーブルデータ構造よ）求まる。■ The target model is a circuit network consisting of an external voltage source, current source, and resistance element. The current source value of the current source is determined by a function or table data structure that can be referenced by the terminal voltage of each functional block.
（効果）
以上の様な方法によ勺、従来不可能であった、６
１０００個以上のトランジスタからなる大規模
回路の電源配線網に流れる電流値を短時間で求めること
ができる様になる。(Effect) The method described above can be used to achieve this effect, which was previously impossible.
The current value flowing through the power supply wiring network of a large-scale circuit consisting of 1000 or more transistors can be determined in a short time.
（実施例の説明）
以下、本発明の一実施例を図面を参照して説明する。第
１囚は各機能ブロックに電力を供給する電源配線網であ
シ、その配線の幅、長さ、シート抵抗値よシ抵抗値を計
算し第２図の抵抗素子網とする。(Description of Embodiment) Hereinafter, an embodiment of the present invention will be described with reference to the drawings. The first prisoner is a power supply wiring network that supplies power to each functional block.The width, length, sheet resistance value, and resistance value of the wiring are calculated to form the resistive element network shown in FIG. 2.
各機能ブロックを１つの電流源に置き換える。Replace each functional block with one current source.
その電流源値は、各機能ブロックの端子電圧で参照でき
る様な関数あるいはテーブルデータ構造よシ求まる。The current source value is determined by a function or table data structure that can be referenced by the terminal voltage of each functional block.
各機能ブロックを代表する１つの電源コンタクトと接続
している上記抵抗素子の１点に上記電流源を付加する。The current source is added to one point of the resistance element connected to one power contact representing each functional block.
電流源の位置は、第３図に示される様に各機能ブロック
に登録されているブロック基準点座標と、そこを基準と
した電源コンタクトとの相対位置座標よシ求める。上記
電流源、抵抗素子そして外部電圧源より構成される回路
網第４図を対象モデルとして電源配線網の動作時の電流
値を単時間で求めることができる。The position of the current source is determined based on the block reference point coordinates registered in each functional block and the relative position coordinates of the power contact with respect to the block reference point coordinates as shown in FIG. The current value during operation of the power supply wiring network can be determined in a single time by using the circuit network shown in FIG. 4, which is composed of the current source, resistance element, and external voltage source, as a target model.
以下、各図について詳しく説明する。第１図は能動素子
から構成される各機能ブロックに電力を供給する電源配
線網を示し、コンタクト２によシ異なる層にある縦と横
の電源配線ｌが接続される。Each figure will be explained in detail below. FIG. 1 shows a power supply wiring network that supplies power to each functional block composed of active elements, and vertical and horizontal power supply wirings 1 in different layers are connected to contacts 2.
第２図は、第１図の配線の線幅、線長およびシート抵抗
値よシ求まる抵抗値を有する抵抗素子３によって配線と
置き換わったところを示す。４は、コンタクト２によっ
て接続された節点を示している。第３図は各機能ブロッ
ク８を代表する１つの電飄コンタクト７と接続している
第２図の抵抗素子３の１点に各機能ブロック８に対応し
た電流源９を付加している。電流源９の位置は、各機能
ブロック８に登録されている基準点座標１０と、そこを
基準とした電源コンタクト７の相対位置座標１１よシ求
まる。第４図は外部電圧源１２．電流源１３．抵抗素子
１４から構築される大規模回路を模擬した抵抗回路網を
示す。FIG. 2 shows the wiring replaced by a resistance element 3 having a resistance value determined from the line width, line length, and sheet resistance value of the wiring shown in FIG. 4 indicates nodes connected by contacts 2. In FIG. 3, a current source 9 corresponding to each functional block 8 is added to one point of the resistive element 3 in FIG. 2, which is connected to one electrical contact 7 representing each functional block 8. The position of the current source 9 is determined from the reference point coordinates 10 registered in each functional block 8 and the relative position coordinates 11 of the power contact 7 with respect to the reference point coordinates 10. FIG. 4 shows the external voltage source 12. Current source 13. A resistor network simulating a large-scale circuit constructed from resistor elements 14 is shown.
第１図乃至第４図は本発明の一実施例による回路ゾミュ
レーゾ田ン方法のモデルステップを示す図である。
１．５・・・・・・電源配線網、２．６・・・・・・コ
ンタクト、３．１４・−・・抵抗素子、４・・・・・・
節点、７・・・・・・電源コンタクト、８・・−・・・
機能ブロック、９，１３・・・・・・電流源、１０・・
・・・・基準点座標、１１・・・・−・相対位置座標、
１２・・・・・・外部電圧源。FIGS. 1-4 are diagrams showing model steps of a circuit simulator method according to an embodiment of the present invention. 1.5... Power supply wiring network, 2.6... Contact, 3.14... Resistance element, 4...
Node, 7... Power contact, 8...
Functional block, 9, 13...Current source, 10...
...Reference point coordinates, 11....--Relative position coordinates,
12...External voltage source.
Claims (1)
続した回路の動作状態における前記電源配線網に流れる
電流を求めるために、 （Ａ）電源配線網を抵抗素子に置き換える、（Ｂ）各機
能ブロックを電流源に置き換える、（Ｃ）上記電流源を
各機能ブロックの配置位置にある上記抵抗素子に付加す
る、 （Ｄ）外部電圧源、電流源および抵抗素子より構成され
る回路網を対象モデルとする ことによって構築された回路モデルを用いることを特徴
とする回路シミュレーション方法。[Claims] In order to obtain the current flowing through the power supply wiring network in the operating state of a circuit in which functional blocks constituted by active elements are connected by a power supply wiring network, (A) replacing the power supply wiring network with a resistive element; (B) Replace each functional block with a current source; (C) Add the current source to the resistive element located at the location of each functional block; (D) Consist of an external voltage source, current source, and resistive element. A circuit simulation method characterized by using a circuit model constructed by using a circuit network as a target model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59246740A JPS61122583A (en) | 1984-11-20 | 1984-11-20 | Simulating method of circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59246740A JPS61122583A (en) | 1984-11-20 | 1984-11-20 | Simulating method of circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61122583A true JPS61122583A (en) | 1986-06-10 |
Family
ID=17152942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59246740A Pending JPS61122583A (en) | 1984-11-20 | 1984-11-20 | Simulating method of circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61122583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7570207B2 (en) | 2006-10-26 | 2009-08-04 | Seiko Epson Corporation | Positioning device, electronic instrument, and storage medium storing program |
-
1984
- 1984-11-20 JP JP59246740A patent/JPS61122583A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7570207B2 (en) | 2006-10-26 | 2009-08-04 | Seiko Epson Corporation | Positioning device, electronic instrument, and storage medium storing program |
| US7839328B2 (en) | 2006-10-26 | 2010-11-23 | Seiko Epson Corporation | Positioning device, electronic instrument, and storage medium storing program |
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