+5V, Fail-Safe, 40Mbps, Profibus RS-485/

RS-422 Transceivers

8

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Pin Configurations and Typical Operating Circuit

TOP VIEW

14

13

12

11

10

9

8

1

2

3

4

5

6

7

RXP

A

B

DE

DE

RE

RE

RO

SHDN

MAX3465

MAX3466

Z

Y

TXP

RXP

TXP

RO

RO

DI

DI

GND

GND

DI

DIP/SO

R

R

6, 7

3

GND

12

10

9

Z

Y

11

A

B

0.1

µF

5

414

2

13

8

D

D

R

DE

GND

D

RE

Figure 1. MAX3465/MAX3466 Pin Configuration and Typical Full-Duplex Operating Circuit

TOP VIEW

8

7

6

5

1

2

3

4

A

B

RO

MAX3467

Z

Y

RO

RO

DI

DI

GND

DI

DIP/SO

R

R

4 GND

8

6

5

Z

Y

7

A

B

0.1

µF

3

1

2

D

D

R

GND

D

Figure 2. MAX3467 Pin Configuration and Typical Full-Duplex Operating Circuit

TOP VIEW

NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.

8

7

6

5

1

2

3

4

B

RE

RO

MAX3468

MAX3469

A

GND

RO

DI

DI

DE

DIP/SO

R

0.1

µF

D

8

7

6

5

1

2

3

4

B

RE

RO

A

B

A

GND

DI

DE

DE

R

D

R

D

RE

Figure 3. MAX3468/MAX3469 Pin Configuration and Typical Full-Duplex Operating Circuit