1A

G

2A

4A

G

3A

1

4

7

9

12

15

3Y

10

3Z

11

1Y

2

1Z

3

4Y

14

4Z

13

2Y

6

2Z

5

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10

AM26C31

SLLS103O – DECEMBER 1990 – REVISED JUNE 2016

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Copyright © 1990–2016, Texas Instruments Incorporated

8 Detailed Description

8.1 Overview

The AM26C31 is a quadruple differential line driver with complementary outputs. The device is designed to meet

the requirements of TIA/EIA-422-B and ITU (formerly CCITT), and it is generally used to communicate over

relatively long wires in noisy environments.

8.2 Functional Block Diagrams

Pin numbers shown are for the D, DB, J, N, NS, PW, and W packages.

Figure 6. Logic Diagram (Positive Logic)