ICS650-07C

Networking Clock Source

MDS 650-07C A

2

Revision 101399

Printed 11/28/00

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

PRELIMINARY INFORMATION

0 = connect directly to GND

M = leave unconnected (automatically self biases to VDD/2)

1 = connect directly to VDD

ACS1

ACS0

CLKA1

CLKA2

0

0

100

off (low)

0

M

Test

Test

0

1

75

off (low)

1

0

33.3333

16.6667

1

M

Test

Test

1

1

66.6667

33.3333

A Clocks Select Table (outputs in MHz)

BCS1

BCS0

CLKB1

CLKB2

0

0

Test

Test

0

M

66.6667

33.3333

0

1

100

50

1

0

83.3333

41.6667

1

M

Test

Test

1

1

133.3333

66.6667

B Clocks Select Table (outputs in MHz)

CCS

CLKC1

CLKC2

0

125

125

M

Test

Test

1

75

75

REFOUT

25 MHz

C Clocks Select Table (outputs in MHz)

0 = connect directly to GND

M = leave unconnected (automatically self biases to VDD/2)

1 = connect directly to VDD

ACS1

ACS0

CLKA1

CLKA2

0

0

50

off (low)

0

M

Test

Test

0

1

37.5

off (low)

1

0

16.6667

8.3333

1

M

Test

Test

1

1

33.3333

16.6667

A Clocks Select Table (outputs in MHz)

BCS1

BCS0

CLKB1

CLKB2

0

0

Test

Test

0

M

33.3333

16.6667

0

1

50

25

1

0

41.6667

20.8333

1

M

Test

Test

1

1

66.6667

33.3333

B Clocks Select Table (outputs in MHz)

CCS

CLKC1

CLKC2

0

62.5

62.5

M

Test

Test

1

37.5

37.5

REFOUT

12.5 MHz

C Clocks Select Table (outputs in MHz)