CDCV857

2.5-V PHASE LOCK LOOP CLOCK DRIVER

SCAS645A – AUGUST 2000 – REVISED OCTOBER 2000

3

POST OFFICE BOX 655303

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

AGND

17

Ground for 2.5

AVDD

16

2.5

CLK, CLK

13, 14

I

Differential clock input

FBIN, FBIN

35, 36

I

Feedback differential clock input

FBOUT, FBOUT

32, 33

O

Feedback differential clock output

GND

1, 7, 8, 18,

24, 25, 31,

41, 42, 48

Ground

PWRDWN

37

I

Output enable for Y and Y

VDDQ

4, 11, 12,

15, 21, 28,

34, 38, 45

2.5-V Supply

Y[0:9]

3, 5, 10,

20, 22, 27,

29, 39, 44,

46

O

Buffered output copies of input clock, CLK

Y[0:9]

2, 6, 9, 19,

23, 26, 30,

40, 43, 47

O

Buffered output copies of input clock, CLK

0.5 V to 3.6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±50 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±50 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±50 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±100 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance,

89

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–

65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES:

1. The input and output negative voltage ratings may be exceeded if the input and output clamp-current ratings are observed.

2. This value is limited to 3.6 V maximum.

3. The package thermal impedance is calculated in accordance with JESD 51.