Fail-Safe, High-Speed (10Mbps),

Slew-Rate-Limited RS-485/RS-422 Transceivers

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13

MAX3081

MAX3084

MAX3087

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1

2

3

4

RO

DI

GND

8

7

6

5

A

B

Z

Y

DIP/SO

R

D

Rt

Rt

5

6

7

8

RO

DI

GND

4 GND

DI

RO

3

2

A

B

Y

Z

DR

R

D

1

0.1

µF

Figure 2. MAX3081/MAX3084/MAX3087 Pin Configuration and Typical Full-Duplex Operating Circuit

MAX3080

MAX3083

MAX3086

DIP/SO

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Rt

Rt

DE

RE

GND

GND

DE

RO

DI

9

10

12

11

B

A

Z

Y

0.1

µF

5

RO

NC

DI

2

1, 8, 13

3

6, 7

14

4

1

2

3

4

5

6

7

14

13

12

11

10

9

8

N.C.

N.C.

A

B

Z

Y

N.C.

RO

RE

DE

DI

GND

GND

R

D

D

RD

R

Figure 1. MAX3080/MAX3083/MAX3086 Pin Configuration and Typical Full-Duplex Operating Circuit

MAX3082

MAX3085

MAX3088

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

1

2

3

4

8

5

0.1

µF

GND

DI

DE

RE

RO

R

D

Rt

Rt

7

6

D

R

DE

RE

DI

RO

A

B

1

2

3

4

8

7

6

5

B

A

GND

DI

DE

RE

RO

DIP/SO

R

D

B

A

Figure 3. MAX3082/MAX3085/MAX3088 Pin Configuration and Typical Half-Duplex Operating Circuit

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