MDS 556-03 B

2

Revision 030204

Quad LVDS Oscillator/Buffer

ICS556-03

Pin Assignment

Pin Descriptions

12

1

11

2

10

3

9

4

5

6

7

8

16

15

14

13

16-Pin (150 mil) SOIC

EN1

VDD

A

A

B

B

EN2

X2

EN4

EN3

D

D

C

C

GND

X1

Pin

Number

Pin

Name

Pin

Type

Pin Description

1

EN1

Input

Enable pin for Outputs A and A. EN1 high enables A, A outputs.

EN1 low tri states A, A outputs. No Pull-Up resistor.

2

VDD

Power

Power supply. Connect to 2.5 V.

3

A

Output

Differential clock output.

4A

Output

Inverting differential clock output.

5B

Output

Inverting differential clock output.

6

B

Output

Differential clock output.

7

EN2

Input

Enable pin for Outputs B and B. EN2 high enables B, B outputs.

EN2 low tri states B, B outputs. No Pull-Up resistor.

8

X2

Input

Crystal connection.

9

X1

Input

Crystal input.

10

GND

Power

Connect to ground.

11

C

Output

Differential clock output.

12

C

Output

Inverting differential clock output.

13

D

Output

Inverting differential clock output.