JPH0181800U - - Google Patents
Info
- Publication number
- JPH0181800U JPH0181800U JP1987177434U JP17743487U JPH0181800U JP H0181800 U JPH0181800 U JP H0181800U JP 1987177434 U JP1987177434 U JP 1987177434U JP 17743487 U JP17743487 U JP 17743487U JP H0181800 U JPH0181800 U JP H0181800U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- test signal
- output signal
- sends
- output
- 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
- 238000011156 evaluation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Techniques For Improving Reliability Of Storages (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は従来の例を示すブロツク図である。
１１〜１ｎ……セレクタ回路、２１〜２ｎ……
センスアンプ、４１〜４ｎ……スイツチ回路、５
１〜５ｎ……テスト信号、６１〜６ｎ……切替信
号。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a block diagram showing a conventional example. 11-1n...Selector circuit, 21-2n...
Sense amplifier, 41-4n...switch circuit, 5
1 to 5n...test signal, 61 to 6n...switching signal.
Claims (1)
レクタの出力信号と予じめ準備したテスト信号と
を入力し、外部からの切替信号に従つて前記出力
信号または前記テスト信号を送出するスイツチ回
路を備えたことを特徴とする評価用回路を備えた
リードオンリメモリ。 A switch circuit is provided, which inputs an output signal of a selector that selects and sends output data of a memory cell and a test signal prepared in advance, and sends out the output signal or the test signal in accordance with an external switching signal. A read-only memory equipped with an evaluation circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177434U JPH0181800U (en) | 1987-11-19 | 1987-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177434U JPH0181800U (en) | 1987-11-19 | 1987-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181800U true JPH0181800U (en) | 1989-05-31 |
Family
ID=31469098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177434U Pending JPH0181800U (en) | 1987-11-19 | 1987-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181800U (en) |
-
1987
- 1987-11-19 JP JP1987177434U patent/JPH0181800U/ja active Pending