SP3491EN View Datasheet(PDF) - Signal Processing Technologies

Part Name

Description

Manufacturer

SP3491EN

+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate

Signal Processing Technologies 

PIN FUNCTION - SP3490

Vcc 1

Pin 1 - VCC - Positive supply +3.00 < VCC < +3.60

8A

Pin 2 - R - Receiver output.

R2

R

7B

Pin 3 - D - Driver input.

Pin 4 - GND - Ground connection.

D3

D

GND 4

6Z

Pin 5 - Y - Non-inverting driver output.

Pin 6 - Z - Inverting driver output.

5Y

Pin 7 - B - Inverting receiver input.

Pin 8 - A - Non-inverting receiver input.

Figure 13. Pinout for the SP3490

NC 1

R2

R

REB 3

DE 4

D5

D

GND 6

GND 7

14 Vcc

13 NC

12 A

11 B

10 Z

9Y

8 NC

Figure 14. Pinout for the SP3491

PIN FUNCTION - SP3491

Pin 1 - NC - No connect.

Pin 2 - R - Receiver output.

Pin 3 - REB - Receiver output enable active LOW.

Pin 4 - DE - Driver output enable active HIGH.

Pin 5 - D - Driver input.

Pin 6 - GND - Ground connection.

Pin 7 - GND - Ground connection.

Pin 8 - NC - No connect.

Pin 9 - Y - Non-inverting driver output.

Pin 10 - Z - Inverting driver output.

Pin 11 - B - Inverting receiver input.

Pin 12 - A - Non-inverting receiver input.

Pin 13 - NC - No connect.

Pin 14 - VCC - Positive supply +3.00 < VCC< +3.60

Rev. 10/11/02

SP3490/3491 Low Power Full-Duplex RS485 Transceivers

7

© Copyright 2002 Sipex Corporation

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