Multiplier Select Table

ICS552-01A

Crystal Oscillator & Multiplier with 8 Low Skew Outputs

MDS 552-01 AB

2

Revision 032200

Printed 11/14/00

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

Pin #

Name

Type

Description

1

DC

-

Don't connect.

2

X2

XO

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

3

X1/ICLK

XI

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

4

VDD

P

Connect to +3.3 V or +5.0 V. Decouple with pin 6.

5

S2

I

Multiplier Select Pin 2 per table above.

6

GND

P

Connect to ground.

7

CLK1

O

Clock Output 1.

8

CLK2

O

Clock Output 2.

9

CLK3

O

Clock Output 3.

10

CLK4

O

Clock Output 4.

11

S1

I

Multiplier Select Pin 1 per table above.

12

CLK5

O

Clock Output 5.

13

CLK6

O

Clock Output 6.

14

GND

P

Connect to ground.

15

S3

I

Multiplier Select Pin 3 per table above.

16

VDD

P

Connect to +3.3 V or +5.0 V. Decouple with pin 14.

17

CLK7

O

Clock Output 7.

18

CLK8

O

Clock Output 8.

19

DC

-

Don't connect.

20

S0

I

Multiplier Select Pin 0 per table above.

Pin Descriptions

Key: I = Input; O = output; P = power supply connection, XI, XO = crystal connections

1

16

2

3

4

15

14

13

VDD

CLK1

X2

VDD

20 pin SSOP (QSOP)

5

6

7

8

12

11

10

9

CLK4

DC

X1/ICLK

DC

CLK8

S0

CLK7

CLK5

S1

CLK2

18

17

19

20

S2

GND

CLK6

GND

S3

Pin Assignment

CLK3

S3

S2

S1

S0

Multiplier

0

0

0

0

Power Down

0

0

0

1

x1

0

0

1

0

x1.333

0

0

1

1

x2

0

1

0

0

x2.666

0

1

0

1

x3

0

1

1

0

x3.333

0

1

1

1

x4

1

0

0

0

x5

1

0

0

1

x4.66

1

0

1

0

x6

1

1

0

1

Tri state All

0 = connect directly to ground.

1 = connect directly to VDD.

All clocks stop low in Power Down state.

All clocks outputs are high impedance in 1101 mode.