JPS53110382A - Overvoltage protective circuit for integrated circuit - Google Patents

Overvoltage protective circuit for integrated circuit

Info

Publication number
JPS53110382A
JPS53110382A JP2437977A JP2437977A JPS53110382A JP S53110382 A JPS53110382 A JP S53110382A JP 2437977 A JP2437977 A JP 2437977A JP 2437977 A JP2437977 A JP 2437977A JP S53110382 A JPS53110382 A JP S53110382A
Authority
JP
Japan
Prior art keywords
circuit
overvoltage protective
integrated circuit
overvoltage
protective 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.)
Granted
Application number
JP2437977A
Other languages
Japanese (ja)
Other versions
JPS5713143B2 (en
Inventor
Takeshi Mizusawa
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2437977A priority Critical patent/JPS53110382A/en
Publication of JPS53110382A publication Critical patent/JPS53110382A/en
Publication of JPS5713143B2 publication Critical patent/JPS5713143B2/ja
Granted 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
    • 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

Abstract

PURPOSE:To ensure a protection of IC from the overvoltage through a simple circuit constitution, by providing a circuit which selects the protective voltage limit value within the IC and then switching and connecting the external terminal led out from the selector circuit.
JP2437977A 1977-03-08 1977-03-08 Overvoltage protective circuit for integrated circuit Granted JPS53110382A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2437977A JPS53110382A (en) 1977-03-08 1977-03-08 Overvoltage protective circuit for integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2437977A JPS53110382A (en) 1977-03-08 1977-03-08 Overvoltage protective circuit for integrated circuit

Publications (2)

Publication Number Publication Date
JPS53110382A true JPS53110382A (en) 1978-09-27
JPS5713143B2 JPS5713143B2 (en) 1982-03-15

Family

ID=12136545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2437977A Granted JPS53110382A (en) 1977-03-08 1977-03-08 Overvoltage protective circuit for integrated circuit

Country Status (1)

Country Link
JP (1) JPS53110382A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59167068A (en) * 1983-03-14 1984-09-20 Nec Corp Semiconductor device
JPS63300549A (en) * 1987-05-29 1988-12-07 Nec Corp Diode
US5949109A (en) * 1990-11-30 1999-09-07 Kabushiki Kaisha Toshiba Semiconductor device having input protection circuit
US6307724B1 (en) 1999-06-17 2001-10-23 Fujitsu, Limited Accessory apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59167068A (en) * 1983-03-14 1984-09-20 Nec Corp Semiconductor device
JPS63300549A (en) * 1987-05-29 1988-12-07 Nec Corp Diode
US5949109A (en) * 1990-11-30 1999-09-07 Kabushiki Kaisha Toshiba Semiconductor device having input protection circuit
US6307724B1 (en) 1999-06-17 2001-10-23 Fujitsu, Limited Accessory apparatus

Also Published As

Publication number Publication date
JPS5713143B2 (en) 1982-03-15

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