ICS95VLP8 57

0956B—08/03/04

Block Diagram

2.5V Low Power Wide Range Frequency Clock Driver (45MHz - 233MHz)

Pin Configuration

48-Pin TSSOP/TVSOP

Recommended Application:

•

DDR Memory Modules / Zero Delay Board Fan Out

•

Provides complete DDR registered DIMM solution

with ICSSSTVF16857, ICSSSTVF16859 or

ICSSSTV32852

Product Description/Features:

•

Lower power version than 95VLP857

•

Low skew, low jitter PLL clock driver

•

1 to 10 differential clock distribution (SSTL_2)

•

Feedback pins for input to output synchronization

•

PD# for power management

•

Spread Spectrum-tolerant inputs

•

Auto PD when input signal removed

Specifications:

•

Meets PC3200 Class A+ specification for DDR-I 400

support

•

Covers all DDRI speed grades

Switching Characteristics:

•

CYCLE - CYCLE jitter: <50ps

•

OUTPUT - OUTPUT skew: <40ps

•

Period jitter: ±30ps

S

T

U

P

N

IS

T

U

P

T

U

O

e

t

a

t

S

L

L

P

D

D

V

A#

D

PT

N

I

_

K

L

CC

N

I

_

K

L

CT

K

L

CC

K

L

CT

T

U

O

_

B

FC

T

U

O

_

B

F

D

N

GH

L

H

L

H

L

H

f

f

o

/

d

e

s

s

a

p

y

B

D

N

GH

H

L

H

L

H

L

f

f

o

/

d

e

s

s

a

p

y

B

V

5

.

2

)

m

o

n

(

LL

H

Z

Z

Z

Z

f

f

o

V

5

.

2

)

m

o

n

(

LH

LZ

Z

Z

Z

f

f

o

V

5

.

2

)

m

o

n

(

HL

HL

H

L

H

n

o

V

5

.

2

)

m

o

n

(

HH

L

H

L

H

L

n

o

V

5

.

2

)

m

o

n

(

X)

z

H

M

0

2

<

)

1

(

ZZ

Z

Z

f

f

o

Functionality

PLL

FB_INT

FB_INC

CLK_INC

CLK_INT

PD#

Control

Logic

FB_OUTT

FB_OUTC

CLKT0

CLKT1

CLKT2

CLKT3

CLKT4

CLKT5

CLKT6

CLKT7

CLKT8

CLKT9

CLKC0

CLKC1

CLKC2

CLKC3

CLKC4

CLKC5

CLKC6

CLKC7

CLKC8

CLKC9

6.10 mm Body, 0.50 mm Pitch = TSSOP

4.40 mm Body, 0.40 mm Pitch = TVSOP

GND

CLKC0

CLKT0

VDD

CLKT1

CLKC1

GND

GND

CLKC2

CLKT2

VDD

VDD

CLK_INT

CLK_INC

VDD

AVDD

AGND

GND

CLKC3

CLKT3

VDD

CLKT4

CLKC4

GND

GND

CLKC5

CLKT5

VDD

CLKT6

CLKC6

GND

GND

CLKC7

CLKT7

VDD

PD#

FB_INT

FB_INC

VDD

FB_OUTC

FB_OUTT

GND

CLKC8

CLKT8

VDD

CLKT9

CLKC9

GND

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

36

35

34

33

32

31

30

29

28

27

26

25