JPS57106233A - Ternary input circuit - Google Patents

Ternary input circuit

Info

Publication number
JPS57106233A
JPS57106233A JP55182343A JP18234380A JPS57106233A JP S57106233 A JPS57106233 A JP S57106233A JP 55182343 A JP55182343 A JP 55182343A JP 18234380 A JP18234380 A JP 18234380A JP S57106233 A JPS57106233 A JP S57106233A
Authority
JP
Japan
Prior art keywords
output
inverters
input
input terminal
inverter
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
Application number
JP55182343A
Other languages
Japanese (ja)
Inventor
Masanari Kaizuka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP55182343A priority Critical patent/JPS57106233A/en
Publication of JPS57106233A publication Critical patent/JPS57106233A/en
Pending legal-status Critical Current

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)

Abstract

PURPOSE:To obtain a ternary input circuit which is easily made into one chip, by connecting a resistance in parallel between the input and the output of the first inverter connected to an input and by connecting the output to inverters through two voltage sources to obtain two outputs. CONSTITUTION:An input terminal 1 is connected to the connection point between polarities different from each other of a diode 6 and a diode 7 through a parallel circuit consisting of an inverter 9 and a high resistance 10, and inverters 11 and 12 are connected to the other ends of diodes 6 and 7. Inverters 9-11 are CMOS- type respectively; and when the input terminal is opened, potentials A and B at input and output terminals of the inverter 9 are equal to a threshold potential VTH, and potentials at points C and D are VB+VF and VB-VF respectively because diodes 6 and 7 function as constant voltages VF and V-F, and outputs 2 and 3 output 0 and 1, respectively. When the input terminal is set to +V(=1), inverters 11 and 12 issue the output 1 together; and when the input terminal is set to GND(=0), the potential VB becomes +V, and inverters 11 and 12 issue the output 0 together.
JP55182343A 1980-12-23 1980-12-23 Ternary input circuit Pending JPS57106233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55182343A JPS57106233A (en) 1980-12-23 1980-12-23 Ternary input circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55182343A JPS57106233A (en) 1980-12-23 1980-12-23 Ternary input circuit

Publications (1)

Publication Number Publication Date
JPS57106233A true JPS57106233A (en) 1982-07-02

Family

ID=16116642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55182343A Pending JPS57106233A (en) 1980-12-23 1980-12-23 Ternary input circuit

Country Status (1)

Country Link
JP (1) JPS57106233A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0589221A1 (en) * 1992-09-24 1994-03-30 Siemens Aktiengesellschaft Semiconductor integrated circuit device
JPH0795249A (en) * 1993-09-22 1995-04-07 Nec Corp Ternary transmission device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0589221A1 (en) * 1992-09-24 1994-03-30 Siemens Aktiengesellschaft Semiconductor integrated circuit device
JPH0795249A (en) * 1993-09-22 1995-04-07 Nec Corp Ternary transmission device

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