PI49FCT3807CSE データシートの表示（PDF） - Pericom Semiconductor

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PI49FCT3807CSE

3.3V Fast CMOS Clock Driver

Pericom Semiconductor 

Tests Circuits for All Outputs(1)

VDD

VIN

Pulse

Generator

D.U.T.

VOUT

RT

PI49FCT3807

3.3V Fast CMOS Clock Driver

Switch Position

Test

Switch

Disable LOW

Enable LOW

6V

Disable HIGH

Enable HIGH

GND

All Other Inputs

Open

Definitions:

CL

1. CL = Load capacitance: includes jig and

probe capacitance.

2. RT = Termination resistance: should be equal to ZOUT of the Pulse

Generator.

Switching Waveforms

Propagation Delay

Input

Output

tPLH

tR

3V

1.5V

0V

tPHL

VOH

2.0V

1.5V

0.5V

VOL

tF

Output Skew – tSK(o)

Input

tPLHx

Ox

tSK(o)

Oy

tPLHy

3V

1.5V

tPHLx

0V

VOH

1.5V

VOL

tSK(o)

VOH

1.5V

VOL

tPHLy

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

Pulse Skew – tSK(p)

Input

tPLH

tPHL

Output

tSK(p) =  tPHL – tPLH 

Package Skew – tSK(t)

3V

1.5V

0V

VOH

1.5V

VOL

Input

tPLH1

Package 1

Output

tSK(t)

Package 2

Output

tPLH2

3V

1.5V

tPHL1

0V

VOH

1.5V

VOL

tSK(t)

VOH

1.5V

VOL

tPHL2

tSK(t) =  tPLH2 – tPLH1  or  tPHL2 – tPHL1 

4

PS7010D

09/08/04

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