MDS 3725 A

2

Revision 100803

Integrated Circuit System s

525 Race Street, S an Jose, CA 9 5126

tel (4 08) 29 7-12 01

www. i cst.com

MK3725

Pin Assignment

Pin Descriptions

X1

VD D

VIN

VD D

GND

CLK

CLK

X2

1

2

3

4

8

7

6

5

8 P i n (150 m il) SO I C

Pin

Number

Pin

Name

Pin

Type

Pin Description

1

X1

Input

Crystal connection. Connect to a 12-18 MHz external pullable

crystal.

2

VDD

Power

Connect to +3.3 V.

3

VIN

Input

Voltage input to VCXO. Zero to 3.3 V analog input which controls

the oscillation frequency of the VCXO.

4

GND

Input

Connect to ground.

5

CLK

Output

VCXO clock output. 2x input frequency.

6

CLK

Output

VCXO clock output. 2x input frequency.

7

VDD

Power

Connect to +3.3 V.

8

X2

Output

Crystal connection. Connect to a 12-18 MHz external pullable

crystal.