S1

S0

Multiplier Typical Input (MHz) CLK (MHz) Input Range (MHz) at 5V Input Range (MHz) at 3.3V

0

0

10

10

100

2

≤ Input ≤ 16

2

≤ Input ≤ 10

0

M

16

10

160

2

≤ Input ≤ 10

2

≤ Input ≤ 6

0

1

1.1111

27

30.00

20

≤ Input ≤ 50

20

≤ Input ≤ 40

M

0

2.4444

14.31818

35.00

10

≤ Input ≤ 50

10

≤ Input ≤ 40

M

M

2.4164

14.31818

34.60

10

≤ Input ≤ 50

10

≤ Input ≤ 40

M

1

2.4

14.31818

34.36

10

≤ Input ≤ 50

10

≤ Input ≤ 40

1

0

5.5873

14.31818

80.00

14

≤ Input ≤ 28

14

≤ Input ≤ 18

1

M

1.1827

14.31818

16.934

14

≤ Input ≤ 30

14

≤ Input ≤ 30

1

1

4.1905

14.31818

60.00

5

≤ Input ≤ 38

5

≤ Input ≤ 24

ICS503

LOCO™ PLL Clock Multiplier

MDS 503 A

2

Revision 111000

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

PRELIMINARY

INFORMATION

Pin Assignment

1

8

2

3

4

7

6

5

X1/ICLK

VDD

GND

NC

X2

S1

S0

CLK

Number

Name

Type

Description

1

X1/ICLK

I

Crystal connection or clock input.

2

VDD

P

Connect to +3.3V or +5V.

3

GND

P

Connect to ground.

4

NC

-

Nothing is connected to this pin.

5

CLK

O

Clock output per Table above. Output frequency equals input frequency times multiplier.

6

S0

TI

Select 0 for output clock. Connect to GND or VDD or float.

7

S1

TI

Select 1 for output clock. Connect to GND or VDD or float.

8

X2

O

Crystal connection. Leave unconnected for clock input.

Pin Descriptions

Key: I = Input, TI = Tri-Level Input, O = output, P = power supply connection

Clock Decoding Table (MHz)

0 = connect directly to ground, 1 = connect directly to VDD, M = leave unconnected (floating).