PI49FCT32802QE Просмотр технического описания (PDF) - Pericom Semiconductor

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PI49FCT32802QE

1:5/1:7 3.3V CMOS Clock Drivers

Pericom Semiconductor 

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 

Tests Circuits for All Outputs

VCC

Pulse

Generator

f = 125MHz

D.U.T.

50Ω

CL

15pF

PI49FCT32802

PI49FCT32803

1:5/1:7 3.3V CMOS Clock Drivers

Pulse Skew – tSK(p)

Input

tPLH

Output

tPHL

tSK(p) =  tPHL – tPLH 

3V

1.5V

0V

VOH

1.5V

VOL

Package Skew – tSK(t)

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 

PS8704A

9/22/04

4

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