74F253 datasheet(6/10 Pages) PHILIPS

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Philips Semiconductors

Product specification

74F253

Dual 4-input multiplexer (3-State)

1988 Nov 29

AC ELECTRICAL CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

TEST

CONDITION

VCC = +5V

Tamb = +25°C

CL = 50pF

RL = 500Ω

VCC = +5V ± 10%

Tamb = 0°C to +70°C

CL = 50pF

RL = 500Ω

UNIT

MIN

TYP

MAX

MIN

MAX

tPLH

tPHL

Propagation delay

In to Yn

Waveform NO TAG

3.0

4.5

5.0

7.0

3.0

7.5

8.0

tPLH

tPHL

Propagation delay

Sn to Yn

Waveform NO TAG

4.5

5.0

7.5

8.5

10.5

11.0

4.5

11.0

12.0

tPZH

tPZL

Output Enable time to

High or Low level

Waveform 2

Waveform 3

3.0

6.5

8.0

3.0

9.0

tPHZ

tPLZ

Output Disable time

from High or Low level

Waveform 2

Waveform 3

2.5

2.0

3.5

3.0

5.0

2.0

1.5

6.0

AC WAVEFORMS

For all waveforms, VM = 1.5V

In, Sn

tPLH

tPHL

SF00802

Waveform 1. Propagation Deley, Data and Select to Output

tPHZ

tPZH

VOH –0.3V

OEn

SF00804

Waveform 2.

3-State Output Enable Time to High Level and

Output Disable Time from High Level

tPLZ

tPZL

VOL +0.3V

OEn

SF00803

Waveform 3.

3-State Output Enable Time to Low Level and

Output Disable Time from Low Level

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