5

10/16/02

SP3493/3494 +3.3V Low Power Slew-Rate Limited RS-485/RS-422 Transceivers

© Copyright 2002 Sipex Corporation

PIN FUNCTION - SP3493

Pin 1 - V

Pin 2 - R - Receiver output.

Pin 3 - D - Driver input.

Pin 4 - GND - Ground connection.

Pin 5 - Y - Non-inverting driver output.

Pin 6 - Z - Inverting driver output.

Pin 7 - B - Inverting receiver input.

Pin 8 - A - Non-inverting receiver input.

1

2

3

4

5

6

7

8

R

D

Vcc

GND

R

D

A

B

Z

Y

PIN FUNCTION - SP3494

Pin 1 – RO – Receiver Output.

Pin 2 – RE – Receiver Output Enable Active LOW.

Pin 3 – DE – Driver Output Enable Active HIGH.

Pin 4 – DI – Driver Input.

Pin 5 – GND – Ground Connection.

Pin 6 – A – Driver Output/Receiver Input

Non-inverting.

Pin 7 – B – Driver Output/Receiver Input Inverting.

Pin 8 – Vcc – Positive Supply +3.00V < V

SP3494

Pinout

RO 1

RE 2

DE 3

DI 4

8

7

B

6

A

5

GND

D

R

SP3493

Pinout