PI74FCT3245 datasheet(4/4 Pages) PERICOM

4 / 4 page

PI74FCT3245

3.3V 8-BIT BIDIRECTIONAL TRANSCEIVER

PS7068C

8/22/97

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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 wave forms.

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

Switching Characteristics over Operating Range(1)

FCT3245

Com.

Parameters

Description

Conditions(2)

Min.(3)

Max.

Units

tPLH

Propagation Delay

CL = 50 pF

1.5

4.1

tPHL

A to B, B to A

RL = 500

Ω

tPZH

Output Enable Time

1.5

5.8

tPZL

OE to A or B

tPHZ

Output Disable Time(4)

1.5

4.8

tPLZ

OE to A or B

tPZH

Output Enable Time

1.5

5.8

tPZL

T/R to A or B

tPHZ

Output Disable Time(4)

1.5

4.8

tPLZ

T/R to A or B

tSK(o)

Output Skew(5)

0.5

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