JPS587300U - semiconductor integrated circuit - Google Patents
semiconductor integrated circuitInfo
- Publication number
- JPS587300U JPS587300U JP9851581U JP9851581U JPS587300U JP S587300 U JPS587300 U JP S587300U JP 9851581 U JP9851581 U JP 9851581U JP 9851581 U JP9851581 U JP 9851581U JP S587300 U JPS587300 U JP S587300U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- semiconductor integrated
- integrated circuit
- gate circuit
- memory 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
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はプログラム素子の構成を示す図、第２図は従来
のプログラム可能な半導体メモリ集積回路の構成を示す
略回路図、第３図は本考案の実施例を示す略回路図であ
る。
３３８．３３９・・・デコーダ、３０４・・・メモリセ
ルアレー、３０５・・・予備メモリセルアレー、３０６
・・・ゲート回路、３０７・・・予備ゲート回路、３０
８・・・切替え回路。FIG. 1 is a diagram showing the structure of a program element, FIG. 2 is a schematic circuit diagram showing the structure of a conventional programmable semiconductor memory integrated circuit, and FIG. 3 is a schematic circuit diagram showing an embodiment of the present invention. 338.339...Decoder, 304...Memory cell array, 305...Spare memory cell array, 306
... Gate circuit, 307 ... Reserve gate circuit, 30
8...Switching circuit.
Claims (1)
ゲート回路、該ゲート回路に選択信号を伝えるデコーダ
回路を有する半導体集積回路において、予備メモリセル
アレー、予備ゲート回路を設け、さらにゲート回路とデ
コーダ回路の間に切替え回路が設けられ、該切替え回路
により所望のゲート回路を予備ゲート回路に置き換える
ことができることを特徴とする半導体集積回路。 −In a semiconductor integrated circuit that has a memory cell array, a gate circuit that selects the memory cell array, and a decoder circuit that transmits a selection signal to the gate circuit, a spare memory cell array and a spare gate circuit are provided, and a gate circuit and a decoder circuit are provided. 1. A semiconductor integrated circuit, characterized in that a switching circuit is provided between the circuits, and a desired gate circuit can be replaced with a spare gate circuit by the switching circuit. −
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9851581U JPS587300U (en) | 1981-07-03 | 1981-07-03 | semiconductor integrated circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9851581U JPS587300U (en) | 1981-07-03 | 1981-07-03 | semiconductor integrated circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS587300U true JPS587300U (en) | 1983-01-18 |
Family
ID=29893274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9851581U Pending JPS587300U (en) | 1981-07-03 | 1981-07-03 | semiconductor integrated circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS587300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59177797A (en) * | 1983-03-28 | 1984-10-08 | Fujitsu Ltd | Semiconductor memory |
-
1981
- 1981-07-03 JP JP9851581U patent/JPS587300U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59177797A (en) * | 1983-03-28 | 1984-10-08 | Fujitsu Ltd | Semiconductor memory |
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