74F258A datasheet(5/8 Pages) PHILIPS

Nome de Peças	74F258A

Descrição Electrónicos	Quad 2-line to 1-line selector/multiplexer, inverting 3-State

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Fabricante Electrônico	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74F258A

Quad 2-line to 1-line selector/multiplexer, inverting

(3-State)

1996 Jan 05

5

AC WAVEFORMS

For all waveforms, VM = 1.5V.

VM

In

Yn

tPLH

tPHL

SF00819

Waveform 1. Propagation Delay

Data and Select to Output

VM

S

Yn

tPLH

tPHL

SF00820

Waveform 2. Propagation Delay

Select to Output

VM

tPHZ

tPZH

OE

VOH -0.3V

0V

Yn

SF00821

Waveform 3. 3-State Output Enable Time to High Level and

Output Disable Time from High Level

VM

tPLZ

tPZL

OE

VOL +0.3V

Yn

SF00822

Waveform 4. 3-State Output Enable Time to Low Level and

Output Disable Time from Low Level

TEST CIRCUIT AND WAVEFORM

tw

90%

VM

10%

90%

VM

10%

90%

VM

10%

90%

VM

10%

NEGATIVE

PULSE

POSITIVE

PULSE

tw

AMP (V)

0V

tTHL (tf )

INPUT PULSE REQUIREMENTS

rep. rate

tw

tTLH

tTHL

1MHz

500ns

2.5ns

Input Pulse Definition

VCC

family

74F

D.U.T.

PULSE

GENERATOR

RL

CL

RT

VIN

VOUT

Test Circuit for 3-State Outputs

DEFINITIONS:

RL = Load resistor;

see AC electrical characteristics for value.

CL = Load capacitance includes jig and probe capacitance;

see AC electrical characteristics for value.

RT = Termination resistance should be equal to ZOUT of

pulse generators.

tTHL (tf )

tTLH (tr )

AMP (V)

amplitude

3.0V

1.5V

VM

RL

7.0V

SF00777

TEST

SWITCH

tPLZ

closed

tPZL

closed

All other

open

SWITCH POSITION

Nº de peça semelhante - 74F258A

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Fairchild Semiconductor	74F258A	56Kb / 6P	Quad 2-Input Multiplexer with 3-STATE Outputs
Texas Instruments	74F258A	409Kb / 10P	[Old version datasheet] 54F258A 74F258A Quad 2-Input Multiplexer with TRI-STATE(RM) Outputs
National Semiconductor ...	74F258APC	159Kb / 8P	Quad 2-Input Multiplexer with TRI-STATE Outputs
Fairchild Semiconductor	74F258APC	56Kb / 6P	Quad 2-Input Multiplexer with 3-STATE Outputs
National Semiconductor ...	74F258ASC	159Kb / 8P	Quad 2-Input Multiplexer with TRI-STATE Outputs

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Descrição semelhante - 74F258A

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