ICS8402I

350MHZ, CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER

IDT™ / ICS™ LVCMOS/LVTTL FREQUENCY SYNTHESIZER

5

ICS8402AYI REV. A OCTOBER 16, 2007

Table 3B. Programmable VCO Frequency Function Table

NOTE 1: These M divide values and the resulting frequencies correspond to a TEST_CLK or crystal frequency of 25MHz.

Table 3C. Programmable Output DividerFunction Table

Table 3D. OE Function Table

VCO Frequency

(MHz)

M Divide

256

128

64

32

16

8421

M8

M7

M6

M5

M4

M3

M2

M1

M0

250

10

000001010

275

11

000001011

•

•

•••••

••••

•

•

•••••

••••

650

26

000011010

675

27

000011011

700

28

000011100

Inputs

N Divider Value

Output Frequency (MHz)

N1

N0

Minimum

Maximum

0

0

2

125

350

0

1

4

62.5

175

1

0

8

31.25

87.5

1

1

16

15.625

43.75

Inputs

Output

OE0

OE1

Q0

Q1

0

0

Hi-Z

Hi-Z

0

1

Hi-Z

Enabled

1

0

Enabled

Hi-Z

1

1

Enabled

Enabled