+3.3V, ±15kV ESD-Protected, Fail-Safe,

Hot-Swap, RS-485/RS-422 Transceivers

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21

14

13

12

11

10

9

8

1

2

3

4

5

6

7

MAX3079E

MAX3079E

DIP/SO

TOP VIEW

RXP

TXP

A

B

Z

Y

RO

DE

DI

SRL

GND

RE

H/F

RO

TXP

A

B

Z

Y

GND

DE

SRL

DI

H/F

RXP

NOTE: SWITCH POSITIONS

INDICATED FOR H/F = GND.

RE

Pin Configurations and Typical Operating Circuits (continued)