PI74LCX245 Просмотр технического описания (PDF) - Pericom Semiconductor Corporation

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PI74LCX245

Fast CMOS 3.3V 8-Bit Bidirectional Transceiver

Pericom Semiconductor Corporation 

PI74LCX245

3.3V 8-Bit Bi-Directional Transceiver

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Switching Characteristics over Operating Range

VCC = 3.3V ± 0.3V

Parameters Description

Conditions

Min.

Max.

tPLH

Propagation Delay

tPHL

DXX to OXX

CL = 50pF

1.5

7.0

RL = 500Ω

tPZH

Output Enable time

tPZL

1.5

8.5

tPHZ

Output Disable Time

tPLZ

1.5

7.5

tSK(O)

Output Skew(1)



1.0

Notes:

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

VCC = 2.7V

Min.

Max.

1.5

8.0

1.5

9.5

1.5

8.5





Units

ns

Dynamic Switching Characteristics (TA = +25°C)

Parameters Description

Test Conditions(1)

Typ.

Units

VOLP

VOLV

Dynamic LOW Peak Voltage

Dynamic LOW Valley Voltage

VCC = 3.3V, CL = 50pF

VIH = 3.3V, VIL = 0V

VCC = 3.3V, CL = 50pF

VIH = 3.3V, VIL = 0V

0.8

V

Note:

1. Measured with n–1 outputs switching from High-to-Low or Low-to-High. The remaining output is measured in the LOW state.

Pericom Semiconductor Corporation

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

4

PS2099B 11/17/02

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