May 2008

PCS1P2858A

rev 0.2

Multi-Output Clock Generator

2 of 7

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

Pin Configuration

Pin Description

Pin #

Pin Name

Pin Type

Pin Description

1

XIN/CLKIN

Input

Crystal connection or External reference Clock input.

2

XOUT

Output

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

unconnected.

3

VDD

Power

Connect to +3.3V.

4

VDDFOUT

Power

Connect to +3.3V.

5

GNDFOUT

Power

Connect to ground.

6

GND

Power

Connect to ground.

7

27MHz

Output

27MHz Reference Clock output

8

27MHz

Output

27MHz Reference Clock output

9

NC

-

No connection

10

24.576MHz

Output

24.576MHz Output Clock

11

28.322MHz

Output

28.322MHz Output Clock

12

24MHz

Output

24MHz Output Clock

13

10MHz

Output

10MHz Output Clock

14

NC

-

No connection

15

OE

Input

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

Tri-states all the clocks when disabled

16

NC

-

No connection

NC

OE

10MHz

24MHz

28.322MHz

24.576MHz

NC

27MHz

27MHz

GND

GNDFOUT

VDDFOUT

XIN/CLKIN

NC

XOUT

VDD

PCS1P2858A

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16