JPS57141133A - Counter - Google Patents

Counter

Info

Publication number
JPS57141133A
JPS57141133A JP56027151A JP2715181A JPS57141133A JP S57141133 A JPS57141133 A JP S57141133A JP 56027151 A JP56027151 A JP 56027151A JP 2715181 A JP2715181 A JP 2715181A JP S57141133 A JPS57141133 A JP S57141133A
Authority
JP
Japan
Prior art keywords
circuit
mos
input
circuits
input signal
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
JP56027151A
Other languages
Japanese (ja)
Inventor
Takeo Ohashi
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.)
Omron Corp
Original Assignee
Tateisi Electronics Co
Omron Tateisi Electronics Co
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 Tateisi Electronics Co, Omron Tateisi Electronics Co filed Critical Tateisi Electronics Co
Priority to JP56027151A priority Critical patent/JPS57141133A/en
Publication of JPS57141133A publication Critical patent/JPS57141133A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To reduce the power consumption of a device, by composing an input signal circuit, a counting circuit, a display circuit, and an output driving circuit all of C-MOS circuits. CONSTITUTION:A counting circuit, an input signal circuit, a display circuit, and an output driving circuit are all composed of C-MOS circuits, which are supplied with electric power from a built-in battery 13 to drive a liquid-crystal display device by the display circuit. Further, an input circuit composed of a C-MOS element 15 and a high resistance 14 is connected between an input terminal and the input signal circuit, and an open-drain MOS element 16 is connected between the output driving circuit and an output terminal. Consequently, the internal circuits are all composed of the C-MOS circuits and the display device and liquid-crystal display device are both used, so power consumption is less. Further, diodes 11 and 12 for reverse current prevention and the MOS element 16 are added, so a battery current is prevented from flowing out of the input and output terminals.
JP56027151A 1981-02-26 1981-02-26 Counter Pending JPS57141133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56027151A JPS57141133A (en) 1981-02-26 1981-02-26 Counter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56027151A JPS57141133A (en) 1981-02-26 1981-02-26 Counter

Publications (1)

Publication Number Publication Date
JPS57141133A true JPS57141133A (en) 1982-09-01

Family

ID=12213040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56027151A Pending JPS57141133A (en) 1981-02-26 1981-02-26 Counter

Country Status (1)

Country Link
JP (1) JPS57141133A (en)

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