JPH033850U - - Google Patents
Info
- Publication number
- JPH033850U JPH033850U JP6462189U JP6462189U JPH033850U JP H033850 U JPH033850 U JP H033850U JP 6462189 U JP6462189 U JP 6462189U JP 6462189 U JP6462189 U JP 6462189U JP H033850 U JPH033850 U JP H033850U
- Authority
- JP
- Japan
- Prior art keywords
- buffer
- function selection
- gate
- array
- input buffer
- 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
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Logic Circuits (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は従来例のブロツク図である。
１，２……ゲートアレイ回路、３，９……入力
バツフア、４，５，８，１０……双方向バツフア
、６……機能選択用セレクタ、７……出力バツフ
ア、Ｓ……セレクト信号、Ｄｏ１，Ｄｏ２……外
部入出力信号、Ｄ１１……出力信号、Ｃ１１……
セレクタコントロール信号、Ｄ１２……出力信号
、Ｉ１，Ｉ２……入力信号、Ｃ１２……双方向コ
ントロール信号、Ｄｓ１，Ｄｓ２……セレクタ出
力信号、Ｃｓ１，Ｃｓ２……セレクタコントロー
ル信号。
Figure 1 is a block diagram of one embodiment of the present invention;
The figure is a block diagram of a conventional example. 1, 2... Gate array circuit, 3, 9... Input buffer, 4, 5, 8, 10... Bidirectional buffer, 6... Selector for function selection, 7... Output buffer, S... Select signal, Do1, Do2...external input/output signal, D11...output signal, C11...
Selector control signal, D12...Output signal, I1, I2...Input signal, C12...Bidirectional control signal, Ds1, Ds2...Selector output signal, Cs1, Cs2...Selector control signal.
Claims (1)
バツフアとを具備するゲートアレイにおいて、前
記入力バツフアを機能選択用信号に使用し、内部
に機能選択用セレクタをあらかじめ設置してある
ことを特徴とするゲートアレイ。 A gate array comprising an input buffer and a bidirectional buffer as an I/O buffer, wherein the input buffer is used as a function selection signal, and a function selection selector is pre-installed inside the gate. array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6462189U JPH033850U (en) | 1989-06-01 | 1989-06-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6462189U JPH033850U (en) | 1989-06-01 | 1989-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033850U true JPH033850U (en) | 1991-01-16 |
Family
ID=31595726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6462189U Pending JPH033850U (en) | 1989-06-01 | 1989-06-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003039852A (en) * | 2001-07-31 | 2003-02-13 | Horizon International Inc | Cover for coil binding and coil-bound booklet with the cover |
-
1989
- 1989-06-01 JP JP6462189U patent/JPH033850U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003039852A (en) * | 2001-07-31 | 2003-02-13 | Horizon International Inc | Cover for coil binding and coil-bound booklet with the cover |