JPS6482662A - Input protective circuit of semiconductor - Google Patents

Input protective circuit of semiconductor

Info

Publication number
JPS6482662A
JPS6482662A JP24231487A JP24231487A JPS6482662A JP S6482662 A JPS6482662 A JP S6482662A JP 24231487 A JP24231487 A JP 24231487A JP 24231487 A JP24231487 A JP 24231487A JP S6482662 A JPS6482662 A JP S6482662A
Authority
JP
Japan
Prior art keywords
resistors
semiconductor
protective circuit
resistor
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
Application number
JP24231487A
Other languages
Japanese (ja)
Inventor
Tetsuji Hoshida
Yoichi Hida
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP24231487A priority Critical patent/JPS6482662A/en
Publication of JPS6482662A publication Critical patent/JPS6482662A/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

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)
  • Semiconductor Integrated Circuits (AREA)
  • Bipolar Integrated Circuits (AREA)

Abstract

PURPOSE:To avoid the concentration of an electric field applied to an entry resistor and to obtain an input protective circuit for a semiconductor with excellent surge resistance by connecting entry resistors from the bonding pad of the protective circuit with aluminum wirings by aligning in parallel polysilicons. CONSTITUTION:Polysilicon resistors 2 are linear between contacts and not bent. In order to connect a plurality of the resistors, an entry resistor is formed with aluminum wirings. In an input protective film for a semiconductor, constructed in this manner, the resistors 2 aligned in parallel are connected in series with aluminum wirings 3, and its resistance value is accordingly increased. Further, since an electric field is applied linearly to the resistor, even if an excess input is applied, it is scarcely broken down, and it operates to escape a current to a GND through the protective film.
JP24231487A 1987-09-25 1987-09-25 Input protective circuit of semiconductor Pending JPS6482662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24231487A JPS6482662A (en) 1987-09-25 1987-09-25 Input protective circuit of semiconductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24231487A JPS6482662A (en) 1987-09-25 1987-09-25 Input protective circuit of semiconductor

Publications (1)

Publication Number Publication Date
JPS6482662A true JPS6482662A (en) 1989-03-28

Family

ID=17087371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24231487A Pending JPS6482662A (en) 1987-09-25 1987-09-25 Input protective circuit of semiconductor

Country Status (1)

Country Link
JP (1) JPS6482662A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008177466A (en) * 2007-01-22 2008-07-31 Epson Imaging Devices Corp Display unit and electronic device having the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6290960A (en) * 1985-10-16 1987-04-25 Mitsubishi Electric Corp Semiconductor device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6290960A (en) * 1985-10-16 1987-04-25 Mitsubishi Electric Corp Semiconductor device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008177466A (en) * 2007-01-22 2008-07-31 Epson Imaging Devices Corp Display unit and electronic device having the same

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