HD75175

Quadruple Differential Line Receiver With 3 State Outputs

ADE-205-593 (Z)

1st. Edition

Dec. 2000

Description

The HD75175 is a differential line receiver with three state outputs designed to meet the requirements of

EIA standards RS-422A, RS-423A, RS-485 and several CCITT recommendations. The device features

input sensitivity of ±200 mV over a common mode input voltage range of –12 V to +12 V. Each receiver

features two active high enables, each common to two receivers.

Function Table (Each Receiver)

Differential Inputs A-B

Enable

Output

V

H

H

–0.2 V < V

H

?

V

H

L

XL

Z

H :

High Level

L

:

Low Level

X :

Irrelevant

?

:

Indeterminate

Z

:

high impedance