JPS53117932A - Input circuit - Google Patents

Input circuit

Info

Publication number
JPS53117932A
JPS53117932A JP3219477A JP3219477A JPS53117932A JP S53117932 A JPS53117932 A JP S53117932A JP 3219477 A JP3219477 A JP 3219477A JP 3219477 A JP3219477 A JP 3219477A JP S53117932 A JPS53117932 A JP S53117932A
Authority
JP
Japan
Prior art keywords
input circuit
resistance
pull
circuit
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
JP3219477A
Other languages
English (en)
Inventor
Shuichi Torii
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3219477A priority Critical patent/JPS53117932A/ja
Publication of JPS53117932A publication Critical patent/JPS53117932A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Electronic Switches (AREA)
  • Logic Circuits (AREA)
JP3219477A 1977-03-25 1977-03-25 Input circuit Pending JPS53117932A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3219477A JPS53117932A (en) 1977-03-25 1977-03-25 Input circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3219477A JPS53117932A (en) 1977-03-25 1977-03-25 Input circuit

Publications (1)

Publication Number Publication Date
JPS53117932A true JPS53117932A (en) 1978-10-14

Family

ID=12352083

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3219477A Pending JPS53117932A (en) 1977-03-25 1977-03-25 Input circuit

Country Status (1)

Country Link
JP (1) JPS53117932A (ja)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141835U (ja) * 1978-03-24 1979-10-02
JPS55141826A (en) * 1979-04-24 1980-11-06 Seiko Epson Corp Input circuit for integrated circuit
JPS5686528A (en) * 1979-12-18 1981-07-14 Nec Corp Pulse circuit
JPS5738027A (en) * 1980-08-20 1982-03-02 Ricoh Co Ltd Digital signal input circuit
JPS57501206A (ja) * 1980-08-18 1982-07-08
JPS58166145U (ja) * 1982-04-30 1983-11-05 カシオ計算機株式会社 スイツチの開閉信号検出回路
JPS596621A (ja) * 1982-07-02 1984-01-13 Citizen Watch Co Ltd スイツチ入力回路
JPS6054519A (ja) * 1983-09-05 1985-03-29 Matsushita Electric Ind Co Ltd 入出力回路
JPS63209221A (ja) * 1987-02-25 1988-08-30 Hokuyo Automatic Co 接点入力の処理回路
JPH02243017A (ja) * 1990-02-13 1990-09-27 Seiko Epson Corp 集積回路の入力回路
JPH04229719A (ja) * 1990-11-06 1992-08-19 Mitsubishi Electric Corp プルアップ抵抗コントロール入力回路及び出力回路
JPH04343518A (ja) * 1991-05-21 1992-11-30 Nec Ic Microcomput Syst Ltd 入力回路

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820980Y2 (ja) * 1978-03-24 1983-05-02 シャープ株式会社 入力回路
JPS54141835U (ja) * 1978-03-24 1979-10-02
JPH0114735B2 (ja) * 1979-04-24 1989-03-14 Seiko Epson Corp
JPS55141826A (en) * 1979-04-24 1980-11-06 Seiko Epson Corp Input circuit for integrated circuit
JPS5686528A (en) * 1979-12-18 1981-07-14 Nec Corp Pulse circuit
JPH0245374B2 (ja) * 1979-12-18 1990-10-09 Nippon Electric Co
JPS57501206A (ja) * 1980-08-18 1982-07-08
JPS5738027A (en) * 1980-08-20 1982-03-02 Ricoh Co Ltd Digital signal input circuit
JPS58166145U (ja) * 1982-04-30 1983-11-05 カシオ計算機株式会社 スイツチの開閉信号検出回路
JPS596621A (ja) * 1982-07-02 1984-01-13 Citizen Watch Co Ltd スイツチ入力回路
JPS6054519A (ja) * 1983-09-05 1985-03-29 Matsushita Electric Ind Co Ltd 入出力回路
JPS63209221A (ja) * 1987-02-25 1988-08-30 Hokuyo Automatic Co 接点入力の処理回路
JPH02243017A (ja) * 1990-02-13 1990-09-27 Seiko Epson Corp 集積回路の入力回路
JPH04229719A (ja) * 1990-11-06 1992-08-19 Mitsubishi Electric Corp プルアップ抵抗コントロール入力回路及び出力回路
JPH04343518A (ja) * 1991-05-21 1992-11-30 Nec Ic Microcomput Syst Ltd 入力回路

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