ICS615

Set-Top Box Clock Source

MDS 615 A

2

Revision 052098

Printed 11/15/00

Integrated Circuit Systems, Inc.•525 Race Street•San Jose•CA•95126•(408)295-9800tel•www.icst.com

PRELIMINARY INFORMATION

I C R O

Pin Descriptions

Pin Assignment

Number

Name

Description

1

27M

27 MHz clock output.

2

GND

Connect to ground.

3

X1

Crystal connection. Connect to a13.5 MHz clock or crystal.

4

X2

Crystal connection. Connect to a 13.5 MHz crystal. Leave unconnected for clock input.

5

54M

54 MHz clock output.

6

13.5M

13.5 MHz clock output.

7

VDD

VDD. Connect to +3.3V or +5V.

8

NC

No Connect. This is an unused power down pin for 27 MHz clock

8 pin (150 mil) SOIC

ICS615

1

8

2

3

4

7

6

5

X1

GND

X2

VDD

27M

NC

54M

13.5M