2

PS8683B

10/17/03

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PI6CVF857

1:10 PLL Clock Driver for

2.5V DDR-SDRAM Memory

VDDQ

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

48

47

46

45

44

43

42

41

40

39

38

37

35

36

34

33

32

31

30

29

28

27

26

25

FBOUT

GND

GND

GND

FBIN

FBIN

PWRD WN

GND

GND

Y9

Y8

Y8

FBOUT

Y7

Y7

Y6

Y6

Y5

Y5

Y9

GND

GND

GND

Y0

Y0

Y1

Y1

VDDQ

VDDQ

VDDQ

VDDQ

VDDQ

VDDQ

VDDQ

VDDQ

GND

CLK

CLK

Y2

Y2

GND

Y3

Y3

Y4

Y4

AG N D

AV DD

48-Pin

A

Pin Configuration TSSOP ( A)

PinConfigurationQFN(ZD)

GND

Y2

Y2

CLK

CLK

AGND

GND

1

2

3

4

5

6

7

8

9

10

30

29

28

27

26

25

24

23

22

21

Y7

Y7

PWRDWN

FBIN

FBIN

FBOUT

FBOUT

12

11

13 14 15 16 17 18 19 20

40 39 38 37 36 35 34 33 32 31

GND

Ball Configuration VFBGA (NF)

A

B

C

D

E

F

G

H

J

K

1

2

3

4

5

6

NO CONNECT on C3, C4, D3, D4,

G3, G4, H3 and H4

1

234

5

6

A

0

Y0

YD

N

GD

N

G5

Y5

Y

B

1

Y1

YQ

D

D

VQ

D

D

V6

Y6

Y

C

D

N

GD

N

GC

NC

ND

N

GD

N

G

D

2

Y2

YC

NC

N7

Y7

Y

E

Q

D

D

VQ

D

D

VB

NB

NQ

D

D

VN

W

D

R

W

P

F

K

L

CK

L

CB

NB

NN

I

B

FN

I

B

F

G

Q

D

D

VD

D

V

AC

NC

NT

U

O

B

FQ

D

D

V

H

D

N

G

AD

N

GC

NC

ND

N

GT

U

O

B

F

J

3

Y3

YQ

D

D

VQ

D

D

V8

Y8

Y

K

4

Y4

YD

N

GD

N

G9

Y9

Y

BallConfiguration

Notes:

NC = No Contact

NB = No Ball