May 2007

PCS1P2860A

rev 0.2

Multi-Output Clock Synthesizer

2 of 7

Notice: The information in this document is subject to change without notice.

Pin Diagram

Pin Description

Pin #

Pin Name

Pin Type

Pin Description

1

125MHz

Output

125MHz Clock Output

2

VDD

Power

Connect to +3.3V

3

AGND

Power

Connect to ground

4

XIN

Input

Crystal connection or external reference frequency input. It can be connected

to a 25MHz Fundamental mode crystal

5

XOUT

Output

Connection to crystal. If using an external reference clock, this pin must be

left unconnected

6

REFOUT

Output

25MHz Reference Clock output

7

125MHz

Output

125MHz Clock Output

8

125MHz

Output

125MHz Clock Output

9

127MHz

Output

127MHz Clock Output

10

125MHz

Output

125MHz Clock Output

11

GND

Power

Connect to ground

12

NC

No connection

13

NC

No connection

14

AVDD

Power

Connect to +3.3V

15

NC

No connection

16

SHUTDOWNB

Input

Output Enable bit. When this pin is made HIGH, all clocks are enabled.

Tri-states all clocks when this pin is LOW

.

SHUTDOWNB

NC

NC

NC

GND

125MHz

127MHz

125MHz

125MHz

REFOUT

XOUT

XIN

125MHz

AVDD

VDD

AGND

PCS1P2860A

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16