Oscillator, Multiplier, and Buffer with 8 Outputs

MDS 552A-01 B

2

Revision 010906

Integrated Circuit Systems, Inc.

ICS552A-01

Multiplier Select Table

16

1

15

2

14

DC

S0

3

13

X2

4

12

X1/ICLK

DC

5

11

S2

6

7

VDD

8

GND

S3

VDD

GND

CLK1

CLK5

CLK2

CLK6

9

10

CLK3

CLK7

CLK4

CLK8

20

19

18

17

20-pin (150 mil) SSOP (QSOP)

S1

S3

S2

S1

S0

Multiplier

0

0

0

0

Power Down

00

0

1

x1

00

1

0

x1.333

00

1

1

x2

01

0

0

x2.666

01

0

1

x3

01

1

0

x3.333

01

1

1

x4

10

0

0

x5

1

0

0

1

x4.66

10

1

0

x6

1

1

0

1

Tri-state all

Pin

Number

Pin

Name

Pin

Type

Pin Description

1

DC

—

Do not connect.

2

X2

XO

Crystal connection. Connect to a 10 - 27 MHz fundamental mode crystal.

3X1/ICLK

XI

Crystal connection. Connect to a 10 - 27 MHz fundamental mode crystal or

clock.

4

VDD

Power

Connect to +3.3 V or 5 V. Decouple with pin 6. Must be same as other VDDs.

5

S2

Input

Multiplier Select pin 2 per table above.

6

GND

Power

Connect to ground.

7

CLK1

Output

Output clock 1.

8

CLK2

Output

Output clock 2.

9

CLK3

Output

Output clock 3.

10

CLK4

Output

Output clock 4.

11

S1

Input

Multiplier Select pin 1 per table above

12

CLK5

Output

Output clock 5.

13

CLK6

Output

Output clock 6.

14

GND

Power

Connect to ground.

15

S3

Input

Multiplier Select pin 3 per table above

16

VDD

Power

Connect to +3.3 V or 5 V. Decouple with pin 14. Must be same as other VDDs.

17

CLK7

Output

Output clock 7.

18

CLK8

Output

Output clock 8.

19

DC

—

Do not connect.

20

S0

Input

Multiplier Select pin 0 per table above