JPH0361700U - - Google Patents
Info
- Publication number
- JPH0361700U JPH0361700U JP12185789U JP12185789U JPH0361700U JP H0361700 U JPH0361700 U JP H0361700U JP 12185789 U JP12185789 U JP 12185789U JP 12185789 U JP12185789 U JP 12185789U JP H0361700 U JPH0361700 U JP H0361700U
- Authority
- JP
- Japan
- Prior art keywords
- redundant
- memory cell
- circuit
- cell
- packaging
- 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
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例の冗長回路の回路図
、第２図は従来の冗長回路の回路図である。
１，５……制御回路、２，３，４，６，７……
インバータ、Ａ，Ｂ，Ｃ，Ｄ，Ｅ，Ｆ，Ｈ，Ｉ…
…制御信号、Ｇ，Ｊ……出力信号、Ｑ１，Ｑ１１
……ＥＰＲＯＭセル、Ｑ２，Ｑ１２，Ｑ１６……
Ｎチヤンネル型デイプレツシヨントランジスタ、
Ｑ３，Ｑ４，Ｑ５，Ｑ６，Ｑ１３，Ｑ１４，Ｑ１
７，Ｑ１８……Ｐチヤンネル型エンハンストラン
ジスタ、Ｑ７，Ｑ８，Ｑ９，Ｑ１０……Ｎチヤン
ネル型エンハンストランジスタ。
FIG. 1 is a circuit diagram of a redundant circuit according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional redundant circuit. 1, 5... control circuit, 2, 3, 4, 6, 7...
Inverter, A, B, C, D, E, F, H, I...
...Control signal, G, J...Output signal, Q1, Q11
...EPROM cell, Q2, Q12, Q16...
N-channel type depletion transistor,
Q3, Q4, Q5, Q6, Q13, Q14, Q1
7, Q18...P channel type enhancement transistor, Q7, Q8, Q9, Q10...N channel type enhancement transistor.
Claims (1)
入前、後にそれぞれ書込むことができる第１，第
２のメモリセルを備え、前記第１のメモリセルの
情報を前記第２のメモリセルに転送せしめる回路
を設けたことを特徴とする冗長回路。 A circuit comprising first and second memory cells in which redundant alternative information to the main cell can be written before and after packaging, respectively, and transferring information in the first memory cell to the second memory cell. A redundant circuit characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12185789U JPH0361700U (en) | 1989-10-17 | 1989-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12185789U JPH0361700U (en) | 1989-10-17 | 1989-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0361700U true JPH0361700U (en) | 1991-06-17 |
Family
ID=31669878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12185789U Pending JPH0361700U (en) | 1989-10-17 | 1989-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0361700U (en) |
-
1989
- 1989-10-17 JP JP12185789U patent/JPH0361700U/ja active Pending
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