PI74LPT573 データシートの表示（PDF） - Pericom Semiconductor

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PI74LPT573

Fast CMOS 3.3V 8-Bit Buffer/Line Driver

Pericom Semiconductor 

PI74LPT573

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Switching Characteristics over Operating Range(1)

Parameters Description

Conditions(2)

LPT573

Com.

Min.3) Max.

tPLH

tPHL

tPLH

tPHL

tPZH

tPZL

tPHZ

tPLZ

tSU

tH

tW

tSK(o)

Propagation Delay

Dx to Ox

Propagation Delay

LE to Ox

Output Enable Time

OE to Ox

Output Disable Time(4)

OE to Ox

Setup Time HIGH

or LOW, Dx to LE

Hold Time HIGH

or LOW, Dx to LE

LE Pulse Width(4)

HIGH

Output Skew(5)

CL = 50pF

RL = 500Ω

1.5

8.0

2.0

12.0

1.5

9.5

1.5

6.5

2.0

1.5

6.0

0.5

LPT573A

Com.

Min.(3) Max.

1.5

5.2

2.0

8.5

1.5

6.5

1.5

5.5

2.0

1.5

5.0

0.5

LPT573C

Com.

Min.(3) Max.

1.5

4.2

2.0

5.5

1.5

5.5

1.5

5.0

2.0

1.5

5.0

0.5

Units

ns

ns

ns

ns

ns

ns

ns

ns

Notes:

1. Propagation Delays and Enable/Disable times are with Vcc = 3.3V ±0.3V, normal range. For Vcc = 2.7V,

extended range, all Propagation Delays and Enable/Disable times should be degraded by 20%.

2. See test circuit and waveforms.

3. Minimum limits are guaranteed but not tested on Propagation Delays.

4. This parameter is guaranteed but not production tested.

5. Skew between any two outputs, of the same package, switching in the same direction.

This parameter is guaranteed by design.

Pericom Semiconductor Corporation

2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com

4

PS2063A 01/15/97

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