PI49FCT20807HE datasheet(3/6 Pages) PERICOM

Part #	PI49FCT20807HE

Description	1-10 Clock Buffer for Networking Applications

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Manufacturer	PERICOM [Pericom Semiconductor Corporation]

Direct Link	http://www.pericom.com

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3 / 6 page

3

PS8558B

09/24/04

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PI49FCT20807

1-10 Clock Buffer for

NetworkingApplications

Capacitance (TA =25°C,f=1MHz)

Note:

1. This parameter is determined by device characterization but is not production tested.

Graph 1. Dynamic Current vs. Clock Frequency

s

r

e

t

e

m

a

r

a

P

)

1

(

n

o

i

t

p

i

r

c

s

e

Ds

n

o

i

t

i

d

n

o

C

t

s

e

T.

p

y

T.

x

a

Ms

t

i

n

U

C N

I

e

c

n

a

ti

c

a

p

a

C

t

u

p

n

IV N

I

V

0

=3

4

F

p

C

T

U

O

e

c

n

a

ti

c

a

p

a

C

t

u

p

t

u

OV

T

U

O

V

0

=6

Notes:

1. See test circuit and waveforms.

2. Skew measured at worse cast temperature (max. temp).

s

r

e

t

e

m

a

r

a

Pn

o

i

t

p

i

r

c

s

e

Ds

n

o

i

t

i

d

n

o

C

t

s

e

T

)

1

(

.

n

i

M.

p

y

T.

x

a

Ms

t

i

n

U

tR t/F

V

7

.

1

~

V

7

.

0

e

m

i

T

ll

a

F

/

e

s

i

R

n

K

L

C

CL

z

H

M

0

1

,

F

p

2

=–

0

.

15

2

.

1

s

n

CL

z

H

M

0

5

1

,

F

p

2

1

=–

0

.

12

.

1

t H

L

P

t L

H

P

n

K

L

C

o

t

N

I

_

F

U

B

y

a

l

e

D

n

o

it

a

g

a

p

o

r

P

CL

z

H

M

0

1

,

F

p

2

=–

0

.

35

.

3

CL

z

H

M

0

5

1

,

F

p

2

1

=–

4

.

27

.

2

t

)

o

(

K

S

)

2

(

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g

a

k

c

a

p

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m

a

s

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h

t

f

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s

t

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k

S

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o

it

i

s

n

a

r

t

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m

a

s

(

CL

z

H

M

0

1

,

F

p

2

=–

0

10

5

1

s

p

CL

z

H

M

0

5

1

,

F

p

2

1

=–

0

10

5

1

t

)

p

(

K

S

)

2

(

t

(

s

n

o

it

i

s

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ti

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H

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t

-

H

L

P

)

t

u

p

t

u

o

e

m

a

s

e

h

t

f

o

CL

z

H

M

0

1

,

F

p

2

=–

0

5

20

0

3

CL

z

H

M

0

5

1

,

F

p

2

1

=–

0

5

20

0

3

t

)

t

(

K

S

)

2

(

e

g

a

k

c

a

p

t

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f

fi

d

f

o

s

t

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p

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u

o

w

t

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b

w

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k

S

)

4

(

CL

z

H

M

0

5

1

,

F

p

2

1

=–

0

40

0

6

SwitchingCharacteristics (VDD=2.5V±0.2V,TA=85°C)

Test Circuits for All Outputs

Definitions:

CL = Load capacitance: includes jig and probe capacitance.

Pulse

Generator

D.U.T.

VIN

VOUT

CL

VDD

160

140

120

100

80

60

Clock Frequency [MHz]

40

20

0

50

100

150

200

Load = 15pF & 33 ohms

Load = 0

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