PI74FCT157TW 데이터 시트보기 (PDF) - Pericom Semiconductor

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PI74FCT157TW

Fast CMOS Quad 2-Input Multiplexer

Pericom Semiconductor 

PI74FCT157T/257T

(25Ω Series)PI74FCT2157T/2257T

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PI74FCT157/2157T Switching Characteristics over Operating Range

Parameters Description

Conditions(1)

157T/2157T

Com.

Min Max

157AT/2157AT 157CT/2157CT

Com.

Com.

Min Max Min Max

tPLH

Propagation Delay

tPHL

IN to ZN

tPLH

Propagation Delay

tPHL

E to ZN

tPLH

Propagation Delay

tPHL

S to ZN

CL = 50 pF

RL = 500Ω

1.5 6.0 1.5 5.0 1.5 4.3

1.5 10.5 1.5 6.0 1.5 4.8

1.5 10.5 1.5 7.0 1.5 5.2

157DT

Com.

Min Max Unit

1.5 3.9 ns

1.5 4.4 ns

1.5 4.6 ns

PI74FCT257/2257T Switching Characteristics over Operating Range

Parameters Description

Conditions(1)

257T/2257T 257AT/2257AT 257CT/2257CT

Com.

Com.

Com.

Min Max Min Max Min Max Unit

tPLH

Propagation Delay

CL = 50 pF

tPHL

IN to ZN

RL = 500Ω

tPLH

Propagation Delay

tPHL

S to ZN

tPZH

Output Enable Time

tPZL

OE to ZN

tPZH

Output Disable Time(3)

tPZL

OE to ZN

1.5 6.0

1.5

5.0

1.5

4.3

ns

1.5 10.5 1.5 7.0 1.5 5.2

ns

1.5 8.5 1.5 7.0 1.5 6.0

ns

1.5 6.0

1.5

5.5

1.5

5.0

ns

Notes:

1. See test circuit and wave forms.

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

3. This parameter guaranteed but not production tested.

Pericom Semiconductor Corporation

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

5

PS2010A 03/09/96

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