JPS5793727A - Logical circuit device - Google Patents
Logical circuit deviceInfo
- Publication number
- JPS5793727A JPS5793727A JP55169930A JP16993080A JPS5793727A JP S5793727 A JPS5793727 A JP S5793727A JP 55169930 A JP55169930 A JP 55169930A JP 16993080 A JP16993080 A JP 16993080A JP S5793727 A JPS5793727 A JP S5793727A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- level
- threshold value
- input
- 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
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/30—Modifications for providing a predetermined threshold before switching
Landscapes
- Logic Circuits (AREA)
- Electronic Switches (AREA)
Abstract
PURPOSE:To obtain various threshold values simply, by inserting unconnected transistors(TRs) and Schottky barrier diodes. CONSTITUTION:This circuit consists of the 1st circuit C1 including TRsQ1-Q4, the 2nd circuit C2 including TRsQ6-Q9, and output TRQ5. terminal D of the circuit C1 is at a H level and an output While an input voltage IN is increased from zero and not reached a threshold value VH, the output OT is at an L level. When the input IN increases and reaches the threshold value VH or more, the TRQ4 turns on, the potential at a point A is also increased, the output terminal D of the circuit C1 is at an L level and the output OT is at a H level. The threshold value of the 2nd circuit C2 is lower than that of the 1st circuit C1. Next, when the input IN is decreased and reaches a threshold value Vth1(1.8V) or less, the output OT keeps a H level. When the input IN reaches Vth2(1.1V) or less, a TRQ6 turns off and the output OT is at L.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55169930A JPS5793727A (en) | 1980-12-02 | 1980-12-02 | Logical circuit device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55169930A JPS5793727A (en) | 1980-12-02 | 1980-12-02 | Logical circuit device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5793727A true JPS5793727A (en) | 1982-06-10 |
Family
ID=15895563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55169930A Pending JPS5793727A (en) | 1980-12-02 | 1980-12-02 | Logical circuit device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5793727A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0098155A2 (en) * | 1982-06-29 | 1984-01-11 | Fujitsu Limited | Schmitt trigger circuit |
-
1980
- 1980-12-02 JP JP55169930A patent/JPS5793727A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0098155A2 (en) * | 1982-06-29 | 1984-01-11 | Fujitsu Limited | Schmitt trigger circuit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4920280A (en) | Back bias generator | |
JPS57106227A (en) | Buffer circuit | |
GB920229A (en) | Improvements in bistable circuits employing negative resistance devices | |
JPS57104325A (en) | Ecl circuit | |
JPS5711536A (en) | High-voltage mos inverter and its driving method | |
US4376251A (en) | Waveform shaping circuit | |
JPS5793727A (en) | Logical circuit device | |
JPS64817A (en) | Logic circuit | |
JPS54148358A (en) | Diode gate circuit | |
JPS6432719A (en) | Output device for semiconductor integrated circuit | |
JPS57148427A (en) | Semiconductor integrated circuit | |
JPS5478069A (en) | Dual complementary mos transistor circuit | |
JPS57162468A (en) | Semiconductor integrated circuit | |
JPS56165986A (en) | Voltage hold circuit | |
JPS6410721A (en) | Data-out buffer circuit | |
JPS5723318A (en) | Comparator using programable unijunction transistor | |
KR880002864Y1 (en) | Time-delay cicuit | |
JPS56126320A (en) | Electronic circuit | |
JPS5797219A (en) | Chattering preventing circuit | |
JPS57192119A (en) | Complementary mos type sequence circuit | |
JPS5623023A (en) | Input buffer circuit | |
JPS5523538A (en) | Constant-voltage generator circuit | |
JPS5455343A (en) | Level discrimination circuit | |
JPS57180213A (en) | Mos type impedance converter | |
JPS57113326A (en) | Semiconductor photo detector |