MDS 511 G

2

Revision 102504

ICS511

Pin Assignment

Clock Output Table

0 = connect directly to ground

1 = connect directly to VDD

M = leave unconnected (floating)

Common Output Frequency Examples (MHz)

Pin Descriptions

X1/ I CLK

VDD

GND

OE

S1

S0

CLK

X2

1

2

3

4

8

7

6

5

8 Pi n ( 150 mil) SOIC

S1

S0

CLK

0

0

4X input

0

M

5.333X input

0

1

5X input

M

0

2.5X input

M

M

2X input

M

1

3.333X input

1

0

6X input

1

M

3X input

1

1

8X input

Output

20

24

30

32

33.33

37.5

40

48

50

60

64

Input

10

12

10

16

16.66

15

10

12

20

10

16

Selection (S1, S0)

M, M

M, M

1, M

M, M

M, M

M, 0

0, 0

0, 0

M, 0

1, 0

0, 0

Output

66.66

72

75

80

83.33

90

100

120

125

133.3

150

Input

20

12

25

10

25

15

20

15

25

25

25

Selection (S1, S0)

M, 1

1, 0

1, M

1, 1

M, 1

1, 0

0, 1

1, 1

0, 1

0, M

1, 0

Pin

Number

Pin

Name

Pin

Type

Pin Description

1

XI/ICLK

Input

Crystal connection or clock input.

2

VDD

Power

Connect to +3.3 V or +5 V.

3

GND

Power

Connect to ground.

4

S1

Tri-level Iinput

Select 1 for output clock. Connect to GND or VDD or float.

5

CLK

Output

Clock output per table above.

6

S0

Tri-level Input

Select 0 for output clock. Connect to GND or VDD or float.

7

OE

Input

Output enable. Tri-states CLK output when low. Internal pull-up

resistor.

8

X2

Output

Crystal connection. Leave unconnected for clock input.