74ALS258DB datasheet(6/11 Pages) PHILIPS

No de pièce	74ALS258DB

Description	Data selector/multiplexer

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Fabricant	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74ALS257/74ALS258

Data selector/multiplexer

1991 Feb 08

6

AC ELECTRICAL CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

TEST CONDITION

Tamb = 0°C to +70°C

VCC = +5.0V ± 10%

CL = 50pF, RL = 500Ω

UNIT

MIN

MAX

tPLH

tPHL

Propagation delay

I0n or I1n to Yn

Waveform 1

2.0

9.0

ns

tPLH

tPHL

Propagation delay

S to Yn

74ALS257

Waveform 1, 2

4.0

12.0

ns

tPZH

tPZL

Output enable time

OE to Yn

74ALS257

Waveform 3

Waveform 4

3.0

4.0

11.0

12.0

ns

tPHZ

tPLZ

Output disable time

OE to Yn

Waveform 3

Waveform 4

2.0

5.0

9.0

12.0

ns

tPLH

tPHL

Propagation delay

I0n or I1n to Yn

Waveform 1

2.0

8.0

ns

tPLH

tPHL

Propagation delay

S to Yn

74ALS258

Waveform 1, 2

4.0

12.0

ns

tPZH

tPZL

Output enable time

OE to Yn

74ALS258

Waveform 3

Waveform 4

3.0

4.0

11.0

12.0

ns

tPHZ

tPLZ

Output disable time

OE to Yn

Waveform 3

Waveform 4

2.0

5.0

9.0

12.0

ns

AC WAVEFORMS

For all waveforms, VM = 1.3V.

VM

tPHL

tPLH

I0n, I1n, S

Yn, Yn

SC00059

Waveform 1.

Propagation Delay for Data and

Select to Outputs

VM

tPLH

tPHL

I0n, I1n, S

Yn, Yn

SC00060

Waveform 2.

Propagation Delay for Data and

Select to Outputs

VM

tPHZ

tPZH

OE

Yn, Yn

VOH -0.3V

0V

SC00084

Waveform 3.

3-State Output Enable Time to High Level

and Output Disable Time from High Level

VM

tPLZ

tPZL

OEn

Yn, Yn

VOL +0.3V

SC00085

3.5V

Waveform 4.

3-State Output Enable Time to Low Level

and Output Disable Time from Low Level

Numéro de pièce similaire - 74ALS258DB

Fabricant	No de pièce	Fiches technique	Description
NXP Semiconductors	74ALS251	103Kb / 8P	8-input multiplexer 3-State 1991 Feb 08
	74ALS251D	103Kb / 8P	8-input multiplexer 3-State 1991 Feb 08
	74ALS251N	103Kb / 8P	8-input multiplexer 3-State 1991 Feb 08
	74ALS253	115Kb / 9P	Dual 4-input multiplexer 3-State 1991 Feb 08
	74ALS253D	115Kb / 9P	Dual 4-input multiplexer 3-State 1991 Feb 08

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