DM74AS258 datasheet(5/8 Pages) FAIRCHILD

Teilenummer	DM74AS258

Bauteilbeschribung	3-STATE Quad 1 of 2 Line Data Selector/Multiplexers

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Hersteller	FAIRCHILD [Fairchild Semiconductor]

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DM74AS257, DM74AS258 Rev. 1.2

5

DM74AS257 Switching Characteristics

Over recommended operating free air temperature range.

DM74AS258 Switching Characteristics

Over recommended operating free air temperature range.

Symbol

Parameter

Conditions

From

To

Min

Max

Units

tPLH

Propagation Delay Time,

LOW-to-HIGH Level Output

VCC = 4.5V to 5.5V,

CL = 50 pF,

RL = 500Ω

Data

Any Y

1

5.5

ns

tPHL

Propagation Delay Time,

HIGH-to-LOW Level Output

16

ns

tPLH

Propagation Delay Time,

LOW-to-HIGH Level Output

Select

Any Y

2

11

ns

tPHL

Propagation Delay Time,

HIGH-to-LOW Level Output

210

ns

tPZH

Output Enable Time to HIGH

Level

OUTPUT

Control

Any Y

2

7.5

ns

tPZL

Output Enable Time to LOW

Level

2

9.5

ns

tPHZ

Output Disable Time from HIGH

Level

OUTPUT

Control

Any Y

1.5

6.5

ns

tPLZ

Output Disable Time from LOW

Level

27

ns

Symbol

Parameter

Conditions

From

To

Min.

Max.

Units

tPLH

Propagation Delay Time,

LOW-to-HIGH Level Output

VCC = 4.5V to 5.5V,

CL = 50pF,

RL = 500Ω

Data

Any Y

1

5

ns

tPHL

Propagation Delay Time,

HIGH-to-LOW Level Output

14

ns

tPLH

Propagation Delay Time,

LOW-to-HIGH Level Output

Select

Any Y

2

9.5

ns

tPHL

Propagation Delay Time,

HIGH-to-LOW Level Output

210

ns

tPZH

Output Enable Time to HIGH

Level

OUTPUT

Control

Any Y

2

8

ns

tPZL

Output Enable Time to LOW

Level

210

ns

tPHZ

Output Disable Time, from HIGH

Level

OUTPUT

Control

Any Y

1.5

6

ns

tPLZ

Output Disable Time from LOW

Level

2

6.5

ns

Ähnliche Beschreibung - DM74AS258

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Fairchild Semiconductor	DM74AS257	60Kb / 6P	3-STATE Quad 1 of 2 Line Data Selector/Multiplexers
	DM74ALS257	74Kb / 7P	3-STATE Quad 1-of-2-Line Data Selector/Multiplexer
	DM74S257	47Kb / 5P	3-STATE Quad 1-of-2 Data Selector/Multiplexer
National Semiconductor ...	DM54S157	128Kb / 5P	QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS
Fairchild Semiconductor	DM74S157	53Kb / 5P	Quad 1 of 2 Line Data Selector/Multiplexer
	DM74ALS157	67Kb / 6P	Quad 1-of-2 Line Data Selector/Multiplexer
	DM74AS157	72Kb / 7P	Quad 1 of 2 Line Data Selector/Multiplexer
National Semiconductor ...	DM54S257	153Kb / 8P	TRI-STATE QUAD 1 OF 2 DATA SELECTORS / MULTIPLEXERS
Fairchild Semiconductor	DM74ALS251N	80Kb / 7P	3-STATE 1-of-8 Line Data Selector/Multiplexer
Fairchild Semiconductor	DM74ALS251	76Kb / 7P	3-STATE 1-of-8 Line Data Selector/Multiplexer

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