JPH0176640U - - Google Patents
Info
- Publication number
- JPH0176640U JPH0176640U JP1987171836U JP17183687U JPH0176640U JP H0176640 U JPH0176640 U JP H0176640U JP 1987171836 U JP1987171836 U JP 1987171836U JP 17183687 U JP17183687 U JP 17183687U JP H0176640 U JPH0176640 U JP H0176640U
- Authority
- JP
- Japan
- Prior art keywords
- address space
- semiconductor memory
- memory device
- access time
- utility
- 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
- 239000004065 semiconductor Substances 0.000 claims description 7
Description
第１図は従来の半導体記憶装置の応用例、第２
図は本考案の一実施例である。
１……小容量高速アクセスタイムの半導体記憶
装置、２……大容量中速アクセスタイムの半導体
記憶装置、３……１のアドレス空間と２の下位ア
ドレス空間のアドレス信号、４……２の上位アド
レス空間のアドレス信号、５……１，２のデータ
出力信号、６……本考案の小容量高速アクセスタ
イムと大容量中速アクセスタイムとをもつ半導体
記憶装置、７……本考案の半導体記憶装置のアド
レス信号、８……本考案の半導体記憶装置のデー
タ出力信号。
Figure 1 shows an application example of a conventional semiconductor memory device;
The figure shows one embodiment of the present invention. 1...Semiconductor storage device with small capacity and high speed access time, 2...Semiconductor storage device with large capacity and medium speed access time, 3...Address signal of the address space of 1 and the lower address space of 2, 4...The upper order of 2 Address signal of address space, 5...Data output signals of 1 and 2, 6...Semiconductor storage device having small capacity high speed access time and large capacity medium speed access time of the present invention, 7...Semiconductor memory of the present invention Device address signal, 8...Data output signal of the semiconductor memory device of the present invention.
Claims (1)
構成される半導体記憶装置において該アクセスタ
イムが異なる特徴を有する半導体記憶装置。 A semiconductor memory device comprising a continuous address space and a group of memory cells and having different access times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171836U JPH0176640U (en) | 1987-11-09 | 1987-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171836U JPH0176640U (en) | 1987-11-09 | 1987-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0176640U true JPH0176640U (en) | 1989-05-24 |
Family
ID=31463841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987171836U Pending JPH0176640U (en) | 1987-11-09 | 1987-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0176640U (en) |
-
1987
- 1987-11-09 JP JP1987171836U patent/JPH0176640U/ja active Pending
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