【発明の名称】出力回路

Title:

【発明の名称】出力回路

Document Type and Number:

Japanese Patent JP2619080

Kind Code:

B2

Abstract:

A first Schottky barrier type NPN transistor for pulling up an output signal and a second Schottky barrier type NPN transistor for pulling down an output signal are connected, in a totem pole configuration, between the nodes of power source potential and ground potential, a connecting point of these NPN transistors is connected to an output terminal. A resistor and a Schottky diode are connected in series between the node of the power source potential and the collector of the first NPN transistor. The collector of a third Schottky barrier type NPN transistor for driving the first NPN transistor is connected to a connecting point of the resistor and the Schottky diode, and the emitter of the third NPN transistor is connected to the base of the first NPN transistor. A resistor is connected between the base and emitter of the first NPN transistor.

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Inventors:

Ueno Shoji
Kumi Ohbo

Application Number:

JP30744689A

Publication Date:

June 11, 1997

Filing Date:

November 29, 1989

Export Citation:

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Assignee:

Toshiba Corporation
Toshiba Microelectronics Co., Ltd.

International Classes:

H03K19/0175; H03K19/082; (IPC1-7): H03K19/0175

Domestic Patent References:

JP6271330A
JP63245015A

Attorney, Agent or Firm:

Takehiko Suzue (3 outside)

Previous Patent: JP2619079

Next Patent: ビデオレコーダー同時制御システム