JPS6181228U - - Google Patents

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Publication number
JPS6181228U
JPS6181228U JP16552784U JP16552784U JPS6181228U JP S6181228 U JPS6181228 U JP S6181228U JP 16552784 U JP16552784 U JP 16552784U JP 16552784 U JP16552784 U JP 16552784U JP S6181228 U JPS6181228 U JP S6181228U
Authority
JP
Japan
Prior art keywords
circuit
diagram showing
serial interface
switching
receive
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
JP16552784U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP16552784U priority Critical patent/JPS6181228U/ja
Publication of JPS6181228U publication Critical patent/JPS6181228U/ja
Pending legal-status Critical Current

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  • Logic Circuits (AREA)
  • Communication Control (AREA)

Description

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

第１図は本考案のシリアル・インタフエース回
路の１実施例を示す図であり、同図Ａはドライブ
回路の１実施例を示すブロツク図、同図Ｂはレシ
ーブ回路の１実施例を示す回路図、第２図は本考
案ドライブ回路の１部を構成する＋１２Ｖ切換え
回路の１実施例を示す回路図、第３図は本考案ド
ライブ回路の１部を構成する−１２切換え回路
の１実施例を示す回路図、第４図はデータ転送回
路のブロツク図、第５図は従来のシリアル・イン
ターフエス回路を示す図であり、同図Ａはドライ
ブ回路の１実施例を示すブロツク図、同図Ｂはレ
シーブ回路の１実施例を示す回路図である。 １…＋１２Ｖ切換え回路、２…−１２切換え
回路、３…ＴＴＬ ＩＣ、４…入力インピーダン
スマツチング用の入力抵抗、５…入力信号を供給
する為の入力信号供給抵抗、６…ダイオード、７
…スイツチング用トランジスタ、８，１８…エミ
ツタ抵抗、９…CMOS ＩＣ、２５…ドライブ回路
、２６…レシーブ回路、２７…シリアル・インタ
フエース回路。 FIG. 1 is a diagram showing one embodiment of the serial interface circuit of the present invention; FIG. 1A is a block diagram showing one embodiment of the drive circuit, and FIG. 1B is a circuit diagram showing one embodiment of the receive circuit. Figure 2 is a circuit diagram showing one embodiment of a +12V switching circuit that constitutes a part of the drive circuit of the present invention, and Figure 3 is an embodiment of a -12V switching circuit that constitutes a part of the drive circuit of the present invention. 4 is a block diagram of a data transfer circuit, FIG. 5 is a diagram showing a conventional serial interface circuit, and FIG. 4A is a block diagram showing one embodiment of a drive circuit. B is a circuit diagram showing one embodiment of a receive circuit. DESCRIPTION OF SYMBOLS 1...+12V switching circuit, 2...-12 switching circuit, 3...TTL IC, 4...Input resistance for input impedance matching, 5...Input signal supply resistance for supplying input signal, 6...Diode, 7
...Switching transistor, 8, 18...Emitter resistor, 9...CMOS IC, 25...Drive circuit, 26...Receive circuit, 27...Serial interface circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ドライブ回路にはＴＴＬ ＩＣに供給する電力
をＯＮ／ＯＦＦする切換え回路を設け、レシーブ
回路はCMOS ＩＣで構成したことを特徴とするシ
リアル・インタフエース回路。 This serial interface circuit is characterized in that the drive circuit is equipped with a switching circuit that turns on/off the power supplied to the TTL IC, and the receive circuit is composed of a CMOS IC.
JP16552784U 1984-10-31 1984-10-31 Pending JPS6181228U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16552784U JPS6181228U (en) 1984-10-31 1984-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16552784U JPS6181228U (en) 1984-10-31 1984-10-31

Publications (1)

Publication Number Publication Date
JPS6181228U true JPS6181228U (en) 1986-05-29

Family

ID=30723375

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16552784U Pending JPS6181228U (en) 1984-10-31 1984-10-31

Country Status (1)

Country Link
JP (1) JPS6181228U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5298961A (en) * 1976-02-16 1977-08-19 Toshiba Corp Circuit power source control system of semi-conductor ic element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5298961A (en) * 1976-02-16 1977-08-19 Toshiba Corp Circuit power source control system of semi-conductor ic element

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