JPS5920731U - Digital IC - Google Patents

Digital IC

Info

Publication number
JPS5920731U
JPS5920731U JP11539382U JP11539382U JPS5920731U JP S5920731 U JPS5920731 U JP S5920731U JP 11539382 U JP11539382 U JP 11539382U JP 11539382 U JP11539382 U JP 11539382U JP S5920731 U JPS5920731 U JP S5920731U
Authority
JP
Japan
Prior art keywords
digital
input signal
level
digital circuit
comparator
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
JP11539382U
Other languages
Japanese (ja)
Inventor
甲斐　清
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP11539382U priority Critical patent/JPS5920731U/en
Publication of JPS5920731U publication Critical patent/JPS5920731U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はマイコンの入力特性を示す図、第２図は従来例
を示すブロック図、第３図は本考案の実施例を示す回路
図である。 なお図面に用いた符号において、１・・・・・・・・・
マイコン、５・・・・・・・・・コンパレータ、８・・
・・・・・・・ディジタルＩＣ，である。FIG. 1 is a diagram showing input characteristics of a microcomputer, FIG. 2 is a block diagram showing a conventional example, and FIG. 3 is a circuit diagram showing an embodiment of the present invention. In addition, in the symbols used in the drawings, 1...
Microcomputer, 5...Comparator, 8...
......Digital IC.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力信号のレベルを判定するための二つの基準レベルを
持つディジタル回路と、このディジタル回路の入力側に
接続され且つ上記入力信号と基準電圧とを比較するコン
パレータとを同一のＩＣチップに形成し、このコンパレ
ータの出力と上記二つの基準レベルとにより、上記入力
信号のレベルを判定するようにしたディジタルＩＣ。A digital circuit having two reference levels for determining the level of an input signal, and a comparator connected to the input side of the digital circuit and comparing the input signal with a reference voltage are formed on the same IC chip, A digital IC that determines the level of the input signal based on the output of the comparator and the two reference levels.
JP11539382U 1982-07-29 1982-07-29 Digital IC Pending JPS5920731U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11539382U JPS5920731U (en) 1982-07-29 1982-07-29 Digital IC

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11539382U JPS5920731U (en) 1982-07-29 1982-07-29 Digital IC

Publications (1)

Publication Number Publication Date
JPS5920731U true JPS5920731U (en) 1984-02-08

Family

ID=30266384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11539382U Pending JPS5920731U (en) 1982-07-29 1982-07-29 Digital IC

Country Status (1)

Country Link
JP (1) JPS5920731U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5385133A (en) * 1976-12-30 1978-07-27 Matsushita Electric Works Ltd General-purpose interface circuit for digital signal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5385133A (en) * 1976-12-30 1978-07-27 Matsushita Electric Works Ltd General-purpose interface circuit for digital signal

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