Ordering Information

Order Number

Function

Package Type

DS91M125TMA

1:4 Repeater

SOIC-16

Connection Diagram

30054201

Logic Diagram

30054203

Pin Descriptions

Number

Name

I/O, Type

Description

1, 2, 3, 8

DE

I, LVCMOS

Driver enable pins: When DE is low, the driver is disabled. When

DE is high, the driver is enabled. There is a 300 k

Ω pulldown

resistor on each pin.

6

DI+

I, LVDS

Non-inverting receiver input pin.

7

DI-

I, LVDS

Inverting receiver input pin.

5

GND

Power

Ground pin.

10, 11, 14, 15

A

O, M-LVDS

Non-inverting driver output pin.

9, 12, 13, 16

B

O, M-LVDS

Inverting driver output pin.

4

V

DD

Power

Power supply pin, +3.3V ± 0.3V

www.national.com

2