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IN1489AN

Qudruple Line Receivers

Integral Corp. 

Qudruple Line Receivers

TECHNICAL DATA

IN1489A

The IN1489A is a monolithic quadruple line receivers designed to

satisfy the requirements of the standard interface between data terminal

equipment and data communication equipments as defined by EIA

standard RS-232C. A separate response control terminal is provided

for each receiver. A resistor or a resistor and bias voltage can be

connected between this terminal and ground to shift the input threshold

voltage levels. An external capacitor can be connected from this

terminal to ground to provide input noise filtering.

• Input Resistance ... 3 kΩ to 7kΩ

• Input Signal Range ... ±30 V

• Operates from Single 5 V Supply

• Built-IN Input Hysteresis (Double Thresholds)

• Response Control Provides: Input Tresold

Shifting

Input Noise Filtering

• Satisfies Requirements of EIA RS-232C

ORDERING INFORMATION

IN1489AN Plastic

IN1489AD SOIC

TA = -10° to 70° C

for all packages

LOGIC DIAGRAM

PIN ASSIGNMENT

PIN 14 =VCC

PIN 7 = GND

FUNCTION TABLE

Inputs

A

L

H

Output

Y

H

L

1

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