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PI49FCT2805TH

Fast CMOS Buffer/Clock Driver

Pericom Semiconductor 

PI49FCT805T

PI49FCT2805T/PI49FCT806T

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Switching Waveforms

Propagation Delay

Input

Output

tPLH

3V

1.5V

tPHL

0V

VOH

1.5V

VOL

Enable and Disable Times

Enable

OE

Disable

tPZL

Output

Normally

Low

Switch

Closed

tPZH

Output

Normally

High

Switch

Open

tPLZ

3.5V

1.5V

tPHZ

1.5V

0V

3V

1.5V

0V

3.5V

0.3V

VOL

VOH

0.3V

0V

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 |

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

Output

tPHL

3V

1.5V

0V

VOH

1.5V

VOL

tSK(p) = | tPHL – tPLH |

6

PS7006C 06/27/01

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