JPS57197927A - Semiconductor integrated circuit device - Google Patents
Semiconductor integrated circuit deviceInfo
- Publication number
- JPS57197927A JPS57197927A JP56083500A JP8350081A JPS57197927A JP S57197927 A JPS57197927 A JP S57197927A JP 56083500 A JP56083500 A JP 56083500A JP 8350081 A JP8350081 A JP 8350081A JP S57197927 A JPS57197927 A JP S57197927A
- Authority
- JP
- Japan
- Prior art keywords
- data
- fets
- level
- input
- turn
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/08—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices
- H03K19/094—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using field-effect transistors
- H03K19/09425—Multistate logic
Landscapes
- Engineering & Computer Science (AREA)
- Logic Circuits (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
PURPOSE:To decrease the number of input and output pins by providing an input circuit which generates two signals by a ternary level signal and an output circuit which converts the two signals into the ternary level signal. CONSTITUTION:A composite output driving circuit consists of N channel IGFETs (T1-T4). When data DA and DB have a high level, the FETs T2, T3 and T4 turn on and output data DC has low level. When the data DA has the high level and the DB has the low level, the FETs T2 and T3 turn on and the T4 turns off, so that the data DC has an intermediate level. When the data DA and DB have the low level, the FETs T2 and T4 turn off and the data DC has the high level. Further, the composite input receiving circuit composed of IGFETs (T5-T9) separates ternary input data by making the threshold voltages of the FETs T6 and T8 different.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56083500A JPS57197927A (en) | 1981-05-30 | 1981-05-30 | Semiconductor integrated circuit device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56083500A JPS57197927A (en) | 1981-05-30 | 1981-05-30 | Semiconductor integrated circuit device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57197927A true JPS57197927A (en) | 1982-12-04 |
Family
ID=13804191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56083500A Pending JPS57197927A (en) | 1981-05-30 | 1981-05-30 | Semiconductor integrated circuit device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57197927A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59170935A (en) * | 1983-03-17 | 1984-09-27 | Matsushita Electric Ind Co Ltd | Transmitting device of signal |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50102235A (en) * | 1974-01-09 | 1975-08-13 | ||
JPS5299031A (en) * | 1976-02-16 | 1977-08-19 | Hitachi Ltd | Three value input detecting circuit |
JPS53128240A (en) * | 1977-04-13 | 1978-11-09 | Philips Nv | Integrated circuit |
JPS5492034A (en) * | 1977-12-29 | 1979-07-20 | Matsushita Electric Ind Co Ltd | Integrated circuit |
JPS54110774A (en) * | 1978-02-17 | 1979-08-30 | Mitsubishi Electric Corp | Logic circuit |
-
1981
- 1981-05-30 JP JP56083500A patent/JPS57197927A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50102235A (en) * | 1974-01-09 | 1975-08-13 | ||
JPS5299031A (en) * | 1976-02-16 | 1977-08-19 | Hitachi Ltd | Three value input detecting circuit |
JPS53128240A (en) * | 1977-04-13 | 1978-11-09 | Philips Nv | Integrated circuit |
JPS5492034A (en) * | 1977-12-29 | 1979-07-20 | Matsushita Electric Ind Co Ltd | Integrated circuit |
JPS54110774A (en) * | 1978-02-17 | 1979-08-30 | Mitsubishi Electric Corp | Logic circuit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59170935A (en) * | 1983-03-17 | 1984-09-27 | Matsushita Electric Ind Co Ltd | Transmitting device of signal |
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