ICS650-11

NETWORKING CLOCK SYNTHESIZER

SYNTHESIZERS

IDT® NETWORKING CLOCK SYNTHESIZER

2

ICS650-11

REV D 012313

Pin Assignment

Pin Descriptions

Pin

Number

Pin

Name

Pin

Type

Pin Description

1

GND

Power

Connect to ground

2

X2

XO

Crystal connection. Connect to a 25MHz crystal or leave unconnected for a

clock input.

3

X1

XI

Crystal connection. Connect to a 25MHz fundamental crystal or clock input.

4

VDD

Power

Connect to +3.3V or +5V. Must be same as other VDDs.

5

GND

Power

Connect to ground

6

GND

Power

Connect to ground

7

DC

—

Don’t connect. Do not connect this pin to anything.

8

DC

—

Don’t connect. Do not connect this pin to anything.

9

DC

—

Don’t connect. Do not connect this pin to anything.

10

100M

Output

100.0MHz clock output.

11

GND

Power

Connect to ground

12

66.66M

Output

66.66MHz clock output.

13

25M

Output

25.0MHz clock output.

14

GND

Power

Connect to ground

15

VDD

Power

Connect to +3.3V or +5V. Must be same as other VDDs.

16

VDD

Power

Connect to +3.3V or +5V. Must be same as other VDDs.

17

33.33M

Output

33.33MHz clock output.

18

133.33M

Output

133.33MHz clock output.

19

DC

—

Don’t connect. Do not connect this pin to anything.

20

DC

—

Don’t connect. Do not connect this pin to anything.