NJM2129D データシートの表示（PDF） - Japan Radio Corporation

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NJM2129D

REMOTE-CONTROL INTERFACE IC

Japan Radio Corporation  

NJM2129

REMOTE-CONTROL INTERFACE IC

■ GENERAL DESCRIPTION

■ PACKAGE OUTLINE

The NJM2129 is a remote-control interface for television, VCR,

receiver, and others.

The signal flow of IN1 to OUT1 and IN2 to OUT2 is a first priority.

When no signal is input from the IN2, a signal which is input from the

IN1 is output to the OUT2 through the OUT1. Also when no signal is

input from IN1 and IN2, a signal which is input from the OUT1 is output

NJM2129D

to the OUT2.

An internal regulator can operate a LED.

NJM2129M

■ FEATURES

【INTERFACE BLOCK】

• IN4 switches One-Way or Tow-Way communication

【REGULATOR BLOCK】

• Internal Current Limit Circuit

• Internal Output Short Protection

• ON/OFF Control

• Bipolar Technology

• Package Outline

DIP14, DMP14

■ BLOCK DIAGRAM

*The output of INH becomes high impedance when its input is keeping over about 40 msec.

Ver.2003-12-09

-1-

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