KR920001838A - One short circuit with constant pulse width - Google Patents

One short circuit with constant pulse width Download PDF

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Publication number
KR920001838A
KR920001838A KR1019900008539A KR900008539A KR920001838A KR 920001838 A KR920001838 A KR 920001838A KR 1019900008539 A KR1019900008539 A KR 1019900008539A KR 900008539 A KR900008539 A KR 900008539A KR 920001838 A KR920001838 A KR 920001838A
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KR
South Korea
Prior art keywords
output
flip
flop
pulse width
signal
Prior art date
Application number
KR1019900008539A
Other languages
Korean (ko)
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KR930005643B1 (en
Inventor
최영철
Original Assignee
문정환
금성일렉트론 주식회사
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Priority to KR1019900008539A priority Critical patent/KR930005643B1/en
Publication of KR920001838A publication Critical patent/KR920001838A/en
Application granted granted Critical
Publication of KR930005643B1 publication Critical patent/KR930005643B1/en

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Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/13Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
    • H03K5/131Digitally controlled

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Pulse Circuits (AREA)
  • Manipulation Of Pulses (AREA)

Abstract

내용 없음No content

Description

일정 펄스폭을 갖는 1쇼트회로One short circuit with constant pulse width

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제3도는 본 발명에 따른 일정펄스폭을 갖는 1쇼트 회로 블록도,3 is a one short circuit block diagram having a constant pulse width according to the present invention;

제4도는 제3도에 따른 상세 회로도,4 is a detailed circuit diagram according to FIG.

제5도 (가) 내지 (자)는 제4도에 따른 각부 타이밍도.5 (a) to (i) are the timing diagrams of the parts according to FIG.

Claims (2)

입력 트리거신호(TRIG)의 상승에지를 검출하는 트리거 상승에지 검출부(11)와, 그의 출력에 따라 동작하여 일정비트의 기준클럭(CLK)을 카운트한 후 일정펄스폭 유기 제어신호를 출력하는 펄스폭 유지제어부(12)와, 상기 트리거 상승에지 검출부(11)의 출력신호에 따라 펄스 출력(VO)을 시작하여 상승 펄스폭 유지제어부(12)의 제어신호가 입력될 때까지 그 펄스출력(VO)의 펄스폭을 유지시키는 출력 플립플롭부(13)로 구성한 것을 특징으로 하는 일정펄스폭을 갖는 1쇼트회로.The trigger rising edge detection unit 11 for detecting the rising edge of the input trigger signal TRIG, and the pulse width for outputting a predetermined pulse width organic control signal after counting the reference clock CLK of a predetermined bit by operating according to its output. The pulse output VO is started in accordance with the holding control unit 12 and the output signal of the trigger rising edge detection unit 11 until the control signal of the rising pulse width holding control unit 12 is input. A short circuit having a constant pulse width, characterized by comprising an output flip-flop portion (13) which maintains a pulse width of the pulse width. 제1항에 있어서, 트리거 상승에지 검출부(11)는 트리거 신호(TRIG)를 플립플롭(F1)에 입력(D1)하고, 그의 출력(Q1)을 플립플롭(F2)에 입력(D2)시켜 상기 플립플롭(F1),(F2)의 출력(Q1), 2및 리세트신호를 낸드게이트(ND1)에서 조합후 인버터(I1)를 통해 출력하도록 하고, 펄스폭 유지제어부(12)는 상기 인버터(I1)의 출력을 클럭퍼스(CP3)로 인가받는 플립플롭(F3)의 출력(Q3)을 카운트(CNT1)및 플립플롭(F4)의 인에이블 제어신호로 인가하여 그 카운터(CNT1)가 일정비트의 기준클럭(CLK)을 카운트한 그의 출력(QO),(Qn)을 낸드게이트(ND3)에서 조합한 후 상기 플립플롭(F4)의 입력(D4)으로 인가하고, 그의 출력(Q4)을 일정펄스폭 유지 제어신호로 출력함과 아울러 낸드게이트(ND2)에서 상기 리세트신호와 조합후 인버터(12)를 통해 상기 플립플롭(F3)의 인에이블 제어를 하도록 하며, 출력 플립플롭부(13)는 플립플롭(F5)의 클럭펄스(CP5)신호로 상기 인버터(I1)을 출력을 인가받고, 칩 디스에이블 신호상기 플립플롭(F4)의 출력(Q4)을 인가받아 그의 출력(Q5)인 최종출력(VO)을 하도록 구성한 것을 특징으로 하는 일정펄스폭을 갖는 1쇼트회로.The trigger rising edge detection unit 11 inputs the trigger signal TRIG to the flip-flop F1 and inputs its output Q1 to the flip-flop F2. The output of the flip-flop F1, F2 (Q1), 2 and reset signal Is outputted through the inverter I1 after the combination at the NAND gate ND1, and the pulse width maintaining control unit 12 outputs the flip-flop F3 receiving the output of the inverter I1 to the clockperth CP3. (Q3) is applied as the enable control signal of the count (CNT1) and the flip-flop (F4), and its output (QO) and (Qn) whose counter (CNT1) counts a reference bit (CLK) of a predetermined bit After the combination at the gate ND3, it is applied to the input D4 of the flip-flop F4, and its output Q4 is output as a constant pulse width maintaining control signal and the reset signal at the NAND gate ND2. After the combination with the inverter 12 to enable the control of the flip-flop (F3), the output flip-flop unit 13 is a clock pulse (CP5) signal of the flip-flop (F5) to the inverter (I1). On-demand output, chip disable signal A short circuit having a constant pulse width, characterized in that configured to receive the output (Q4) of the flip-flop (F4) to the final output (VO) of its output (Q5). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900008539A 1990-06-11 1990-06-11 One short circuit having constant pulse width KR930005643B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900008539A KR930005643B1 (en) 1990-06-11 1990-06-11 One short circuit having constant pulse width

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900008539A KR930005643B1 (en) 1990-06-11 1990-06-11 One short circuit having constant pulse width

Publications (2)

Publication Number Publication Date
KR920001838A true KR920001838A (en) 1992-01-30
KR930005643B1 KR930005643B1 (en) 1993-06-23

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Application Number Title Priority Date Filing Date
KR1019900008539A KR930005643B1 (en) 1990-06-11 1990-06-11 One short circuit having constant pulse width

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KR (1) KR930005643B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6935224B2 (en) 2002-07-19 2005-08-30 Samsung Electronics Co., Ltd. Bread maker and control method thereof
US6962290B2 (en) 2002-07-19 2005-11-08 Samsung Electronics Co., Ltd. Bread maker and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6935224B2 (en) 2002-07-19 2005-08-30 Samsung Electronics Co., Ltd. Bread maker and control method thereof
US6962290B2 (en) 2002-07-19 2005-11-08 Samsung Electronics Co., Ltd. Bread maker and control method thereof

Also Published As

Publication number Publication date
KR930005643B1 (en) 1993-06-23

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