JPS57162466A - Input-output protective circuit for integrated circuit - Google Patents

Input-output protective circuit for integrated circuit

Info

Publication number
JPS57162466A
JPS57162466A JP56048016A JP4801681A JPS57162466A JP S57162466 A JPS57162466 A JP S57162466A JP 56048016 A JP56048016 A JP 56048016A JP 4801681 A JP4801681 A JP 4801681A JP S57162466 A JPS57162466 A JP S57162466A
Authority
JP
Japan
Prior art keywords
transistor
voltage
input stage
gate
circuit
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
JP56048016A
Other languages
Japanese (ja)
Inventor
Hiroshi Iwahashi
Masamichi Asano
Ichiro Kobayashi
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 JP56048016A priority Critical patent/JPS57162466A/en
Publication of JPS57162466A publication Critical patent/JPS57162466A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/0203—Particular design considerations for integrated circuits
    • H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
    • H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:To fix a voltage to be applied to an input stage when an IC is to be constituted by connecting a signal input terminal to a circuit consisting of two transistors constituting the input stage and an inverter by a method wherein a voltage setting circuit using transistors is provided in parallel between the input terminal and a gate of the transistor on one side. CONSTITUTION:The depletion type MOS transistor 1 and the enhancement type MOS transistor 2 are connected in series between a high potential electric power source VC and a low potential electric power source VS to constitute the input stage, and the inverter 3 is connected to the node between a gate of the transistor 1 and the transistor 2. Then the signal input terminal 4 is connected to a gate of the transistor 2 through a protective resistor 5 to constitute the IC. At this constitution, the depletion type element 9, the enhancement type element 17 connected through a capacitor 10, and the voltage setting circuit 16 containing enhancement type elements 11-15 are connected in parallel to those nodes, and even when an abnormal voltage is applied to the terminal 4, the input stage is held at a fixed voltage.
JP56048016A 1981-03-31 1981-03-31 Input-output protective circuit for integrated circuit Pending JPS57162466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56048016A JPS57162466A (en) 1981-03-31 1981-03-31 Input-output protective circuit for integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56048016A JPS57162466A (en) 1981-03-31 1981-03-31 Input-output protective circuit for integrated circuit

Publications (1)

Publication Number Publication Date
JPS57162466A true JPS57162466A (en) 1982-10-06

Family

ID=12791503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56048016A Pending JPS57162466A (en) 1981-03-31 1981-03-31 Input-output protective circuit for integrated circuit

Country Status (1)

Country Link
JP (1) JPS57162466A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5589790A (en) * 1995-06-30 1996-12-31 Intel Corporation Input structure for receiving high voltage signals on a low voltage integrated circuit device
US6043538A (en) * 1993-09-30 2000-03-28 Intel Corporation Device structure for high voltage tolerant transistor on a 3.3 volt process
EP1806784A1 (en) * 2004-10-13 2007-07-11 Sony Corporation High-frequency integrated circuit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6043538A (en) * 1993-09-30 2000-03-28 Intel Corporation Device structure for high voltage tolerant transistor on a 3.3 volt process
US5589790A (en) * 1995-06-30 1996-12-31 Intel Corporation Input structure for receiving high voltage signals on a low voltage integrated circuit device
EP1806784A1 (en) * 2004-10-13 2007-07-11 Sony Corporation High-frequency integrated circuit
EP1806784A4 (en) * 2004-10-13 2011-04-13 Sony Corp High-frequency integrated circuit
US8797697B2 (en) 2004-10-13 2014-08-05 Sony Corporation High frequency integrated circuit

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