JPS6030635U

JPS6030635U - flip flop circuit

Info

Publication number: JPS6030635U
Application number: JP12183683U
Authority: JP
Inventors: 東　洋二
Original assignee: 日本電気アイシ−マイコンシステム株式会社
Priority date: 1983-08-05
Filing date: 1983-08-05
Publication date: 1985-03-01

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

[Brief explanation of drawings]

第１図は従来の電流切換型リセット付のフリップ・フロ
ップ回路の一例の回路図、第２図は本考案の一実施例の
回路図である。１〜１３・・・・・・トランジスタ、■１〜Ｉ、・・・
・・・定電流源、Ｉｎｌ・・・・・・データ信号端子、
Ｉｎ２・・・・・・クロック信号端子、Ｉｎ３・・・・
・・リセット信号端子、Ｒ工９　Ｒ２・・・・・・抵抗
。FIG. 1 is a circuit diagram of an example of a conventional flip-flop circuit with current switching type reset, and FIG. 2 is a circuit diagram of an embodiment of the present invention. 1 to 13...transistor, ■1 to I,...
...constant current source, Inl...data signal terminal,
In2...Clock signal terminal, In3...
...Reset signal terminal, R engineering 9 R2...Resistance.

Claims

[Scope of utility model registration request]

a first transistor whose base is connected to the data signal terminal and whose collector is connected to the negative output terminal; and a second transistor whose emitter is connected to the emitter of the first transistor and whose collector is connected to the negative output terminal. a third transistor having a collector connected to the negative output terminal and a base connected to the negative output terminal; and a third transistor having a base connected to the collector of the third transistor and the negative output terminal. a fourth transistor, the collector of which is connected to the base of the third transistor and the constant output terminal, and the emitter of which is connected to the emitter of the third transistor; and a fifth transistor whose collector is connected to a common connection point of the emitters of the second transistor, and whose collector is connected to a common connection point of the emitters of the third and fourth transistors and whose emitter is connected to the emitter of the fifth transistor. a sixth transistor connected to;
a seventh transistor whose emitter is connected to the base of the fifth transistor, whose collector is grounded and whose base is connected to the base of the second transistor and the reset signal terminal, and whose emitter is connected to the base of the sixth transistor; a first resistor connected between the negative output terminal and ground; and an eighth transistor connected between the positive output terminal and ground. a second resistor connected to the fifth resistor;
a first constant current source connected to a common connection point between the emitters of the sixth transistor; and a second constant current source connected to a connection point between the base of the fifth transistor and the emitter of the seventh transistor. A flip-flop circuit comprising: a current source; and a third constant current source connected to a connection point between the base of the sixth transistor and the emitter of the eighth transistor.