JPS6116655U - bus drive circuit - Google Patents

bus drive circuit

Info

Publication number
JPS6116655U
JPS6116655U JP9861784U JP9861784U JPS6116655U JP S6116655 U JPS6116655 U JP S6116655U JP 9861784 U JP9861784 U JP 9861784U JP 9861784 U JP9861784 U JP 9861784U JP S6116655 U JPS6116655 U JP S6116655U
Authority
JP
Japan
Prior art keywords
drive circuit
bus
bus drive
abstract
bus line
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
JP9861784U
Other languages
Japanese (ja)
Inventor
徳行 青山
Original Assignee
株式会社リコー
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 株式会社リコー filed Critical 株式会社リコー
Priority to JP9861784U priority Critical patent/JPS6116655U/en
Publication of JPS6116655U publication Critical patent/JPS6116655U/en
Pending legal-status Critical Current

Links

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) [Abstract] 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図は本考案によるバスドライブ回路の一実施例を示
す電気的結線図、第2図は同実施例における各部信号の
タイムチャート、第3図は本考案の他の実施例を示す電
気的結線図、第4図は従来のバスドライブ回路を示す電
気的結線図、第5図は従来回路における各部信号のタイ
ムチャートである。 1,3・・・オア回路、2・・・パスドライバ、NGa
〜ACKn・・・アクノーリツジ信号、BE1〜BEn
・・・バスイネーブル信号。
Fig. 1 is an electrical wiring diagram showing one embodiment of the bus drive circuit according to the present invention, Fig. 2 is a time chart of each part signal in the same embodiment, and Fig. 3 is an electrical diagram showing another embodiment of the present invention. 4 is an electrical wiring diagram showing a conventional bus drive circuit, and FIG. 5 is a time chart of signals of various parts in the conventional circuit. 1, 3...OR circuit, 2...pass driver, NGa
~ACKn...Acknowledge signal, BE1~BEn
...Bus enable signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] バスラインにおける各接続ユニットからのバスイネーブ
ル信号の論理和に応じてバスラインのレベルを強制的に
決定するバスドライブ手段を設けるようにしたバスドラ
イブ回路。
A bus drive circuit is provided with a bus drive means for forcibly determining the level of a bus line according to the logical sum of bus enable signals from each connection unit on the bus line.
JP9861784U 1984-06-29 1984-06-29 bus drive circuit Pending JPS6116655U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9861784U JPS6116655U (en) 1984-06-29 1984-06-29 bus drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9861784U JPS6116655U (en) 1984-06-29 1984-06-29 bus drive circuit

Publications (1)

Publication Number Publication Date
JPS6116655U true JPS6116655U (en) 1986-01-30

Family

ID=30658144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9861784U Pending JPS6116655U (en) 1984-06-29 1984-06-29 bus drive circuit

Country Status (1)

Country Link
JP (1) JPS6116655U (en)

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