ICS650-07C

NETWORKING CLOCK SOURCE

CLOCK SYNTHESIZER

IDT™ / ICS™ NETWORKING CLOCK SOURCE

4

ICS650-07C

REV D 102709

For a 12.5 MHz Crystal or Clock Input, use the following tables:

A Clocks Select Table (MHz)

C Clocks Select Table (MHz)

0 = connect directly to ground

1 = connect directly to VDD

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

B Clocks Select Table (MHz)

REFOUT = 12.5 MHz

ACS1

ACS0

CLKA1

CLKA2

00

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

CCS

CLKC1

CLKC2

0

62.5

62.5

M

TEST

TEST

1

37.5

37.5

BCS1

BCS0

CLKB1

CLKB2

0

0

TEST

TEST

0

M

33.3333

16.6667

01

50

25

1

0

41.66667

20.8333

1

M

TEST

TEST

1

1

66.6667

33.3333