PI49FCT3802LE datasheet(4/6 Pages) PERICOM

Part #	PI49FCT3802LE

Description	1:5/1:7 Clock Buffer for Networking Applications

PDF	6 Pages

Scroll/Zoom	100%

Manufacturer	PERICOM [Pericom Semiconductor Corporation]

Direct Link	http://www.pericom.com

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4 / 6 page

PS8559A

09/14/04

PI49FCT3802/PI49FCT3803

1:5/1:7 Clock Buffers

for Networking Applications

Switching Waveforms

Propagation Delay

Package Skew – tSK(T)

Pulse Skew – tSK(P)

Output Skew – tSK(O)

Input

tPLH

1.5V

Output

VOH

1.5V

VOL

tPHL

2.0V

0.8V

Input

tPLH

1.5V

Output

VOH

1.5V

VOL

tPHL

tSK(p) =

| tPHL – tPLH |

Input

tPLHx

1.5V

CLKx

VOH

1.5V

VOL

tPHLx

tSK(o)

CLKy

VOH

1.5V

VOL

tSK(o)

tPLHy

tPHLy

tSK(o) =  tPLHy – tPLHx  or  tPHLy – tPHLx 

Input

tPLH1

1.5V

Package 1

Output

VOH

1.5V

VOL

tPHL1

tSK(t)

Package 2

Output

VOH

1.5V

VOL

tSK(t)

tPLH2

tPHL2

tSK(t) =

 tPLH2 – tPLH1  or  tPHL2 – tPHL1 

Test Circuits for All Outputs

Definitions:

CL = Load capacitance: includes jig and probe capacitance.

RT = Termination resistance, should be equal to Zout of the

Pulse Generator.

Pulse

Generator

D.U.T.

VIN

VOUT

VDD

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