JPS5992868U - digital integrated circuit - Google Patents
digital integrated circuitInfo
- Publication number
- JPS5992868U JPS5992868U JP18893782U JP18893782U JPS5992868U JP S5992868 U JPS5992868 U JP S5992868U JP 18893782 U JP18893782 U JP 18893782U JP 18893782 U JP18893782 U JP 18893782U JP S5992868 U JPS5992868 U JP S5992868U
- Authority
- JP
- Japan
- Prior art keywords
- integrated circuit
- digital integrated
- high impedance
- terminal
- impedance state
- 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
Landscapes
- Tests Of Electronic Circuits (AREA)
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区はボードに組込まれたデジタルＩＣの図で、第２
図は本考案の一実施例で、第３図は本考案の他の実施例
である。
１．２・・・・・・デジタルＩＣ，１１，１２，２３゜
２４・・・・・・出力端子、２１．２２・・・・・・入
力端子、５・・・・・・テスト端子、６，７・・・・・
・ＮＯＲゲート、１０・・・・・・高電圧入力端子、９
・・・・・・高電圧検出回路、５１・・・・・・入力バ
ッファ、Ｑｓ、 Ｑ６・・・・・・出力トランジスタ。The first section is a diagram of the digital IC built into the board, and the second section is a diagram of the digital IC built into the board.
The figure shows one embodiment of the present invention, and FIG. 3 shows another embodiment of the present invention. 1.2...Digital IC, 11,12,23゜24...Output terminal, 21.22...Input terminal, 5...Test terminal, 6,7...
・NOR gate, 10...High voltage input terminal, 9
...High voltage detection circuit, 51...Input buffer, Qs, Q6...Output transistor.
Claims (1)
複数の出力端子と前記出力端子をハイインピーダンス状
態にするハイインピーダンス制御回路を備え、前記テス
ト端子あるいは前記入力端子を所定の状態にすることに
より前記出力端子をハイインピーダンス状態にすること
を特徴とするデジタル集積回路。An input terminal including a test terminal or a high voltage detection circuit, a plurality of output terminals, and a high impedance control circuit that puts the output terminal in a high impedance state, A digital integrated circuit characterized by placing its output terminal in a high impedance state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18893782U JPS5992868U (en) | 1982-12-14 | 1982-12-14 | digital integrated circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18893782U JPS5992868U (en) | 1982-12-14 | 1982-12-14 | digital integrated circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5992868U true JPS5992868U (en) | 1984-06-23 |
Family
ID=30407474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18893782U Pending JPS5992868U (en) | 1982-12-14 | 1982-12-14 | digital integrated circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5992868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04120484A (en) * | 1990-09-10 | 1992-04-21 | Sharp Corp | Integrated circuit device |
-
1982
- 1982-12-14 JP JP18893782U patent/JPS5992868U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04120484A (en) * | 1990-09-10 | 1992-04-21 | Sharp Corp | Integrated circuit device |
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