PI49FCT3805AQ 参数 Datasheet PDF下载

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PI49FCT3805/3806

3.3V Fast CMOS Buffer/Clock Driver

SWITCHING WAVEFORMS

Propagation Delay

3V

Input

t

PLH

Output

t

PHL

V

OH

1.5V

V

OL

1.5V

0V

Output Skew – t

SK

(o)

3V

Input

tPLHx

Ox

tSK(o)

tSK(o)

1.5V

0V

tPHLx

VOH

1.5V

VOL

VOH

Oy

1.5V

tPLHy

VOL

tPHLy

Enable and Disable Times

Enable

OE

Disable

3V

1.5V

0V

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

Pulse Skew – t

SK

(p)

3V

Input

tPLH

tPHL

VOH

Output

1.5V

VOL

tSK(p) = | tPHL – tPLH |

1.5V

0V

t

PZL

Output

Normally

Low

3.0V

Switch

Closed

1.5V

t

PLZ

3.0V

0.3V

t

PHZ

0.3V

1.5V

0V

V

OL

t

PZH

Output

Normally

High

V

OH

Switch

Open

0V

Package Skew – t

SK

(t)

3V

Input

tPLH1

Package 1

Output

tSK(t)

tSK(t)

1.5V

0V

tPHL1

VOH

1.5V

VOL

VOH

Package 2

Output

tPLH2

1.5V

VOL

tPHL2

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

6

PS7007B

01/13/99