JPS6416017A - Output buffer for mos semiconductor integrated circuit - Google Patents

Output buffer for mos semiconductor integrated circuit

Info

Publication number
JPS6416017A
JPS6416017A JP62172123A JP17212387A JPS6416017A JP S6416017 A JPS6416017 A JP S6416017A JP 62172123 A JP62172123 A JP 62172123A JP 17212387 A JP17212387 A JP 17212387A JP S6416017 A JPS6416017 A JP S6416017A
Authority
JP
Japan
Prior art keywords
output
period
terminal voltage
voltage
driving element
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
JP62172123A
Other languages
Japanese (ja)
Inventor
Hajime Shimada
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP62172123A priority Critical patent/JPS6416017A/en
Publication of JPS6416017A publication Critical patent/JPS6416017A/en
Pending legal-status Critical Current

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  • Electronic Switches (AREA)
  • Logic Circuits (AREA)

Abstract

PURPOSE:To reduce the energy dissipated as an electromagnetic wave by controlling a driving element by OR between an output voltage threshold value and an input so as to relax the steep change in the output voltage waveform. CONSTITUTION:Threshold circuits 11, 16 having threshold values VT1,VT2 having an output voltage and OR circuits 12, 14 controlling both driving elements 13, 15 are provided. Then the control ON period a2 of the high potential driving element 13 is a period from a change point of an input terminal voltage till an output terminal voltage reaches the VT2 or the like and the control ON period a3 of the low potential driving element 15 is a period from other change point of the input terminal voltage till the output terminal voltage reaches VT1 or over by driving the threshold circuits 11, 16. That is, at the start of rise/fall of the output waveform, both the elements 13, 15 are turned on to apply an intermediate voltage to the output load. Thus, steep change in the output voltage waveform is relaxed.
JP62172123A 1987-07-09 1987-07-09 Output buffer for mos semiconductor integrated circuit Pending JPS6416017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62172123A JPS6416017A (en) 1987-07-09 1987-07-09 Output buffer for mos semiconductor integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62172123A JPS6416017A (en) 1987-07-09 1987-07-09 Output buffer for mos semiconductor integrated circuit

Publications (1)

Publication Number Publication Date
JPS6416017A true JPS6416017A (en) 1989-01-19

Family

ID=15935981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62172123A Pending JPS6416017A (en) 1987-07-09 1987-07-09 Output buffer for mos semiconductor integrated circuit

Country Status (1)

Country Link
JP (1) JPS6416017A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6175252B1 (en) 1998-05-20 2001-01-16 Nec Corporation Driver circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6175252B1 (en) 1998-05-20 2001-01-16 Nec Corporation Driver circuit

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