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PI49FCT804TPA

Fast CMOS Buffer/Clock Driver

Pericom Semiconductor 

PI49FCT804T

Buffer/Clock Driver 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122

Switching Waveforms

Propagation Delay

Input

tPLH

Output

3V

1.5V

0V

tPHL

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

0.3V VOH

0V

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 |

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 |

5

PS7005B 06/26/01

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