JPH04174537A - Semiconductor integrated circuit - Google Patents

Semiconductor integrated circuit

Info

Publication number
JPH04174537A
JPH04174537A JP2301571A JP30157190A JPH04174537A JP H04174537 A JPH04174537 A JP H04174537A JP 2301571 A JP2301571 A JP 2301571A JP 30157190 A JP30157190 A JP 30157190A JP H04174537 A JPH04174537 A JP H04174537A
Authority
JP
Japan
Prior art keywords
cells
chip
input
basic
basic cell
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
Application number
JP2301571A
Other languages
Japanese (ja)
Inventor
Yasunori Sakamoto
坂本 安準
Katsuhiro Masui
増井 捷宏
Shigenori Imai
繁規 今井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP2301571A priority Critical patent/JPH04174537A/en
Publication of JPH04174537A publication Critical patent/JPH04174537A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L24/02Bonding areas ; Manufacturing methods related thereto
    • H01L24/04Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L24/06Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/02Bonding areas; Manufacturing methods related thereto
    • H01L2224/04Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L2224/05Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
    • H01L2224/0554External layer
    • H01L2224/0555Shape
    • H01L2224/05552Shape in top view
    • H01L2224/05554Shape in top view being square
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/10Details of semiconductor or other solid state devices to be connected
    • H01L2924/11Device type
    • H01L2924/14Integrated circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Logic Circuits (AREA)

Abstract

PURPOSE:To connect many I/O signals, by forming first I/O cells on four sides of a chip, forming second I/O cells in at least one region out of regions at four corners, and connecting a basic cell with outer leads by using the second I/O cells. CONSTITUTION:A plurality of I/O signal cells 23 being first I/O cells are formed on four sides of a basic cell region 21. I/O signal cells 25 being second I/O cells and wirings 26 of power supply voltage necessary for the operation of a basic cell formed in a region 21 are formed at four corners of a chip. In these cells 23, 25, input buffers, output buffers, bilateral circuits, etc., are formed in response to functions to be realized and uses. The cells 23 formed in a region 22 and the cells 25 formed in a region 24 are connected with inner leads via wires of bonding pads 23a and 25a. Thereby the basic cell formed on a chip can be effectively used.

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明はゲートアレイ型の半導体集積回路に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a gate array type semiconductor integrated circuit.

[従来の技術] 第2図は従来のゲートアレイ型の半導体集積回路のチッ
プを示す平面図である。
[Prior Art] FIG. 2 is a plan view showing a conventional gate array type semiconductor integrated circuit chip.

同図に示すように、従来のゲートアレイ型の半導体集積
回路のチップは矩形の形状をなしており、このチップに
は複数のトランジスタから形成されている論理ゲートを
構成する基本セル(図示せず)がチップの中央の矩形状
の基本セル領域11に形成されている。
As shown in the figure, a conventional gate array type semiconductor integrated circuit chip has a rectangular shape, and this chip includes basic cells (not shown) that constitute logic gates formed from multiple transistors. ) is formed in a rectangular basic cell region 11 at the center of the chip.

矩形状の基本セル領域11の4つの辺に隣接している端
部領域12には、複数の入圧力信号用セル13が形成さ
れている。
A plurality of input pressure signal cells 13 are formed in the end region 12 adjacent to four sides of the rectangular basic cell region 11 .

基本セル領域11に形成されている基本セルと端部領域
12に形成されている入出力信号用セル13とは、縦横
方向に重畳して配設されている図示していない配線を介
して接続されており、入出力信号用セル13はボンディ
ング用バット132のワイヤを介して図示していないイ
ンナリードに接続されている。
The basic cell formed in the basic cell area 11 and the input/output signal cell 13 formed in the end area 12 are connected via wiring (not shown) arranged to overlap in the vertical and horizontal directions. The input/output signal cell 13 is connected to an inner lead (not shown) via a wire of a bonding butt 132.

第3図は第2図のゲートアレイ型の半導体集積回路のチ
ップの四隅の1つを示す平面図である。
3 is a plan view showing one of the four corners of the chip of the gate array type semiconductor integrated circuit shown in FIG. 2. FIG.

同図に示すように、第2図のゲートアレイ型の半導体集
積回路のチップの四隅の領域14には、入出力信号用セ
ル13は形成されておらず、基本セル領域11に形成さ
れている基本セルの動作に必要なバイアス電圧等の電源
電圧用の配線15が縦横方向に形成されている。従って
、矩形状のチップの中央部を基本セルが、基本セルに隣
接したチップの周辺部を入出力信号用セル13と配線1
5とが占めており、チップの全領域が有効利用されるよ
うに構成されている。
As shown in the figure, input/output signal cells 13 are not formed in the four corner areas 14 of the chip of the gate array type semiconductor integrated circuit shown in FIG. 2, but are formed in the basic cell area 11. Wiring 15 for power supply voltage such as bias voltage necessary for operation of the basic cell is formed in the vertical and horizontal directions. Therefore, the central part of the rectangular chip is the basic cell, and the peripheral part of the chip adjacent to the basic cell is the input/output signal cell 13 and the wiring 1.
5, and is configured so that the entire area of the chip is effectively utilized.

[発明が解決しようとする課題] このような上述の従来のゲートアレイ型の半導体集積回
路では、矩形状の基本セル領域11の4つの辺に隣接し
ている端部領域12にのみ入出力信号用セル13が形成
されているので、基本セルの各々1、に必要な入出力信
号用セル13を配置する。空間的な余裕がない場合には
基本セルのすべてを有効利用、することができないとい
う問題点がある。
[Problems to be Solved by the Invention] In the conventional gate array type semiconductor integrated circuit described above, input/output signals are transmitted only to the end regions 12 adjacent to the four sides of the rectangular basic cell region 11. Since the cells 13 for input/output signals are formed, the necessary input/output signal cells 13 are arranged in each basic cell 1. There is a problem that if there is not enough space, it is not possible to make effective use of all the basic cells.

本発明の目的は、チップに形成されている基本セルを有
効利用することができるゲートアレイ型の半導体集積回
路を提供することにある。
An object of the present invention is to provide a gate array type semiconductor integrated circuit that can effectively utilize basic cells formed on a chip.

[課題を解決するための手段] 本発明は上述の目的を達成するために、チップに形成さ
れており論理ゲートを構成する複数の基本セルと、チッ
プの外周部に形成されており基本セルを外部リードに電
気的に接続可能な複数の第1の入出力セルと、チップの
四隅の領域のうち少なくとも1つの領域に形成されてお
り基本セルを外部リードに電気的に接続可能な第2の入
aカセルとを備えている。
[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention includes a plurality of basic cells formed on a chip and constituting a logic gate, and a plurality of basic cells formed on the outer periphery of the chip. a plurality of first input/output cells that can be electrically connected to the external leads; and a second input/output cell that is formed in at least one of the four corner areas of the chip and that can electrically connect the basic cells to the external leads. It is equipped with a storage cassette.

C作用コ 複数の基本セルが形成されているチップの外周部に複数
の第1の入出力セルか、チップの四隅の領域のうち少な
くとも1つの領域に第2の入出力セルが形成されている
ため、第1の入出力セルに加え第2の入出力セルによっ
て基本セルを外部リードに電気的に接続することが可能
となるので、従って、チップサイズを変更することなく
、より多くの入出力信号を基本セルと接続することかで
きる。
C Effect A plurality of first input/output cells are formed on the outer periphery of a chip on which a plurality of basic cells are formed, or a second input/output cell is formed in at least one of the four corner areas of the chip. Therefore, it is possible to electrically connect the basic cell to external leads by the second input/output cell in addition to the first input/output cell, and therefore more input/output can be achieved without changing the chip size. It is possible to connect the signal with the basic cell.

[実施例] 以下、図面を参照して本発明の詳細な説明する。[Example] Hereinafter, the present invention will be described in detail with reference to the drawings.

第1図は本発明に係る半導体集積回路の一実施例を示す
チップの要部平面図である。
FIG. 1 is a plan view of a main part of a chip showing an embodiment of a semiconductor integrated circuit according to the present invention.

同図に示すように、矩形状のチップには、複数のトラン
ジスタから形成されている論理ゲートを構成する基本セ
ル(図示せず)がチップの中央部の矩形状に形成されて
いる基本セル領域21にマトリクス状に二次元に形成さ
れている。
As shown in the figure, in a rectangular chip, a basic cell (not shown) that constitutes a logic gate formed from a plurality of transistors is located in a basic cell area formed in a rectangular shape in the center of the chip. 21 are formed two-dimensionally in a matrix shape.

この基本セルは構造的にはTTL (トランジスタ・ト
ランジスタゲート論理回路)ゲートアレイ、ECL (
エミッタ結合型論理回路)ゲートアレイ、CMO3(相
補型金属酸化物半導体)ゲートアレイ、Bi−MOS(
バイポーラ金属酸化物半導体)ゲートアレイ等により構
成されることが可能であり、機能的にはFPLA (フ
ィールド プログラマブル ロジック アレイ) 、M
PLA (マスクプログラマブル ロ・シック アレイ
)等のPLA(プログラマブル ロジック アレイ)か
ら構成されることが可能である。
Structurally, this basic cell consists of a TTL (transistor-transistor gate logic circuit) gate array, an ECL (
Emitter-coupled logic circuit) gate array, CMO3 (complementary metal oxide semiconductor) gate array, Bi-MOS (
It can be configured with a bipolar metal oxide semiconductor (metal oxide semiconductor) gate array, etc., and is functionally FPLA (field programmable logic array), M
It can be constructed from a PLA (programmable logic array) such as a PLA (mask programmable logic array).

この矩形状の基本セル領域21の4つの辺に隣接してい
る端部領域22には、複数の入出力信号用セル23が縦
横方向に延びて形成されている。
In an end region 22 adjacent to four sides of this rectangular basic cell region 21, a plurality of input/output signal cells 23 are formed extending in the vertical and horizontal directions.

チップの四隅の領域24には、入出力信号用セル23は
形成されておらず、入出力信号用セル25と基本セル領
域21に形成されている基本セルの動作に必要なバイア
ス電圧等の電源電圧用の配線26とが縦横方向に形成さ
れている。
No input/output signal cells 23 are formed in the four corner regions 24 of the chip, and power supplies such as bias voltages necessary for the operation of the input/output signal cells 25 and the basic cells formed in the basic cell region 21 are not formed. Voltage wiring 26 is formed in the vertical and horizontal directions.

これらの入出力信号用セル23及び25には、実現しよ
うとする機能及び用途に応じて入力バッファ、出力バッ
ファ、双方向性バッファ等がそれぞれ形成されている。
In these input/output signal cells 23 and 25, input buffers, output buffers, bidirectional buffers, etc. are formed, respectively, depending on the functions and uses to be realized.

四隅の領域24に形成されている入出力信号用セル25
は、入出力信号用セル23とは異なる機能の信号用とし
て形成することが可能であり、電源電圧用の配線26に
対して重畳して形成されている。
Input/output signal cells 25 formed in the four corner areas 24
can be formed for a signal with a different function from the input/output signal cell 23, and is formed to overlap with the power supply voltage wiring 26.

又、基本セル領域21に形成されている基本セルの′各
々と入出力信号用セル23及び25とは、縦横方向に重
畳して配設されている図示していない配線を介して接続
されている。
Further, each of the basic cells formed in the basic cell area 21 and the input/output signal cells 23 and 25 are connected via wiring (not shown) arranged to overlap in the vertical and horizontal directions. There is.

端部領域22に形成されている入出力信号用セル23及
び四隅の領域24に形成されている入出力信号用セル2
5は、ボンディング用パッド23a及び25aのワイヤ
を介して図示していないインナリードに接続されている
Input/output signal cells 23 formed in the end region 22 and input/output signal cells 2 formed in the four corner regions 24
5 is connected to an inner lead (not shown) via wires of bonding pads 23a and 25a.

入出力信号用セル23は本発明の第1の入出力セルの一
実施例である。入出力信号用セル25は本発明の第2の
入出力セルの一実施例である。
The input/output signal cell 23 is an embodiment of the first input/output cell of the present invention. The input/output signal cell 25 is an embodiment of the second input/output cell of the present invention.

従って、上述の実施例によれば、チップの基本セルの周
囲に形成されている入出力信号用セル23に加えて、チ
ップの四隅の領域の少なくとも1つの領域に人8力信号
用セル25が形成されているので、チップに形成されて
いる基本セルを有効利用することができる。
Therefore, according to the embodiment described above, in addition to the input/output signal cells 23 formed around the basic cells of the chip, the human power signal cells 25 are provided in at least one of the four corner areas of the chip. Therefore, the basic cells formed on the chip can be effectively used.

[発明の効果コ 以上説明したように本発明は、チップに形成されており
論理ゲートを構成する複数の基本セルと、チップの外周
部に形成されており基本セルを外部リードに電気的に接
続可能な複数の第1の入出力セルと、チップの四隅の領
域のうち少なくとも1つの領域に形成されており基本セ
ルを外部リードに電気的に接続可能な複数の第2の入出
力セルとを備えているので、従って、チップサイズを変
更することなく、より多くの入出力信号を基本セルと接
続することができる。
[Effects of the Invention] As explained above, the present invention comprises a plurality of basic cells formed on a chip and constituting a logic gate, and a plurality of basic cells formed on the outer periphery of the chip and electrically connecting the basic cells to external leads. A plurality of possible first input/output cells and a plurality of second input/output cells formed in at least one area of the four corner areas of the chip and capable of electrically connecting the basic cell to an external lead. Therefore, more input/output signals can be connected to the basic cell without changing the chip size.

【図面の簡単な説明】[Brief explanation of the drawing]

箪1図は本発明に係る半導体集積回路の一実施例を示す
チップの要部平面図、第2図は従来のゲートアレイ型の
半導体集積回路のチップを示す平面図、第3図は第2図
のゲートアレイ型の半導体集積回路のチップの四隅の1
つを示す平面図である。 21・・・・・・基本セル領域、22・・・・・・端部
領域、23.25・・・・・・入出力信号用セル、23
g 、25a・・・・・・ボンディング用パッド、24
・・・・・・領域、26・・・・・・配線。
Figure 1 is a plan view of a main part of a chip showing an embodiment of a semiconductor integrated circuit according to the present invention, Figure 2 is a plan view showing a chip of a conventional gate array type semiconductor integrated circuit, and Figure 3 is a plan view of a chip showing an embodiment of a semiconductor integrated circuit according to the present invention. One of the four corners of the chip of the gate array type semiconductor integrated circuit shown in the figure.
FIG. 21... Basic cell area, 22... End area, 23.25... Input/output signal cell, 23
g, 25a... bonding pad, 24
...area, 26...wiring.

Claims (1)

【特許請求の範囲】[Claims] チップに形成されており論理ゲートを構成する複数の基
本セルと、チップの外周部に形成されており前記基本セ
ルを外部リードに電気的に接続可能な複数の第1の入出
力セルと、チップの四隅の領域のうち少なくとも1つの
領域に形成されており前記基本セルを外部リードに電気
的に接続可能な第2の入出力セルとを備えたことを特徴
とする半導体集積回路。
a plurality of basic cells formed on a chip and forming a logic gate; a plurality of first input/output cells formed on the outer periphery of the chip and capable of electrically connecting the basic cells to external leads; a second input/output cell formed in at least one of the four corner regions of the semiconductor integrated circuit and capable of electrically connecting the basic cell to an external lead.
JP2301571A 1990-11-07 1990-11-07 Semiconductor integrated circuit Pending JPH04174537A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2301571A JPH04174537A (en) 1990-11-07 1990-11-07 Semiconductor integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2301571A JPH04174537A (en) 1990-11-07 1990-11-07 Semiconductor integrated circuit

Publications (1)

Publication Number Publication Date
JPH04174537A true JPH04174537A (en) 1992-06-22

Family

ID=17898548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2301571A Pending JPH04174537A (en) 1990-11-07 1990-11-07 Semiconductor integrated circuit

Country Status (1)

Country Link
JP (1) JPH04174537A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6013924A (en) * 1996-12-25 2000-01-11 Fujitsu Limited Semiconductor integrated circuit and method for making wiring layout of semiconductor integrated circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6013924A (en) * 1996-12-25 2000-01-11 Fujitsu Limited Semiconductor integrated circuit and method for making wiring layout of semiconductor integrated circuit

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