IDTCSPT857DPAG datasheet(4/15 Pages) IDT

Part #	IDTCSPT857DPAG

Description	2.5V - 2.6V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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COMMERCIALANDINDUSTRIALTEMPERATURERANGES

IDTCSPT857D

2.5V - 2.6V PLL DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER

VDDQ

GND

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

48

32

31

30

29

1

VDDQ

GND

25

26

27

28

GND

Y5

GND

Y0

Y1

GND

Y2

CLK

AVDD

Y3

VDDQ

Y4

Y6

GND

Y7

PWRDWN

FBIN

VDDQ

FBOUT

Y8

VDDQ

Y9

GND

Y4

GND

VDDQ

AGND

PIN CONFIGURATIONS

TSSOP/ TVSOP

TOP VIEW

VFQFPN

TOP VIEW

GND

Y2

VDDQ

CLK

VDDQ

AVDD

AGND

GND

Y7

VDDQ

PWRDWN

FBIN

VDDQ

FBOUT

GND

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

30

29

28

27

26

25

24

23

22

21

31

32

33

34

35

36

37

38

39

40

ABSOLUTE MAXIMUM RATINGS(1)

Symbol

Rating

Max

Unit

VDDQ, AVDD

SupplyVoltageRange

–0.5 to +3.6

V

VI(2)

InputVoltageRange

–0.5 to VDDQ + 0.5

V

VO(2)

Voltagerangeappliedtoany

–0.5 to VDDQ + 0.5

V

outputinthehighorlowstate

IIK

InputClampCurrent

–50

mA

(VI <0)

IOK

OutputClampCurrent

±50

mA

(VO <0 or

VO > VDDQ)

IO

ContinuousOutputCurrent

±50

mA

(VO =0 to VDDQ)

VDDQ or GND

ContinuousCurrent

±100

mA

TSTG

StorageTemperatureRange

– 65 to +150

°C

NOTES:

1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause

permanent damage to the device. This is a stress rating only and functional operation

of the device at these or any other conditions above those indicated in the operational

sections of this specification is not implied. Exposure to absolute maximum rating

conditions for extended periods may affect reliability.

2. The input and output negative-voltage ratings may be exceeded if the input and output

clamp-current ratings are observed.

3. The maximum package power dissipation is calculated using a junction temperature

of 150

°C and a board trace length of 750 mils.

CAPACITANCE(1)

Parameter

Description

Min.

Typ.

Max.

Unit

CIN

InputCapacitance

2.5

—

3.5

pF

VI = VDDQ or GND

CI(∆)

DeltaInputCapacitance

-0.25

—

0.25

pF

VI = VDDQ or GND

CL

LoadCapacitance

—

14

—

pF

NOTE:

1. Unused inputs must be held high or low to prevent them from floating.

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