74F244 datasheet(7/12 Pages) PHILIPS

Nome de Peças	74F244

Descrição Electrónicos	Octal buffers 3-State

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Fabricante Electrônico	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74F244/74F244B

Octal buffers (3-State)

1994 Dec 5

7

AC WAVEFORMS

For all waveforms, VM = 1.5V.

VM

Yn

Ian, Ibn

tPLH

tPHL

SF00231

Waveform 1. Propagation Delay for data to outputs

VOH–0.3V

VM

Yn

tPZH

tPHZ

SF00233

OEn

0V

Waveform 2. 3-State output enable time to high level

and output disable time from high level

VM

Yn, Yn

tsk(0)

SF00232

Yn, Yn

Waveform 3. Output skew

VOL+0.3V

VM

Yn

tPZL

tPLZ

SF00234

OEn

3.5V

Waveform 4. 3-State output enable time to low level

and output disable time from low level

TEST CIRCUIT AND WAVEFORMS

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

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

SWITCH POSITION

TEST

SWITCH

closed

open

All other

tPLZ, tPZL

SF000235

Nº de peça semelhante - 74F244

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Fairchild Semiconductor	74F244	82Kb / 8P	Octal Buffers/Line Drivers with 3-STATE Outputs
Fairchild Semiconductor	74F244	82Kb / 8P	Octal Buffers/Line Drivers with 3-STATE Outputs
Texas Instruments	74F244	439Kb / 12P	[Old version datasheet] Octal Buffers/Line Drivers with TRI-STATE(RM) Outputs
National Semiconductor ...	74F244MSA	189Kb / 10P	Octal Buffers/Line Drivers with TRI-STATE Outputs
Fairchild Semiconductor	74F244MSA	66Kb / 7P	Octal Buffers/Line Drivers with 3-STATE Outputs

More results

Descrição semelhante - 74F244

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Potato Semiconductor Co...	PO74G244A	1Mb / 5P	OCTAL 3-STATE BUS BUFFERS
Potato Semiconductor Co...	PO74G244A	497Kb / 6P	OCTAL 3-STATE BUS BUFFERS
Texas Instruments	SN54ALS468A	196Kb / 5P	[Old version datasheet] OCTAL BUFFERS WITH 3-STATE OUTPUT
Texas Instruments	SN54LS465	180Kb / 9P	[Old version datasheet] OCTAL BUFFERS WITH 3-STATE OUTPUTS
NXP Semiconductors	HEF40244B_CNV	77Kb / 6P	Octal buffers with 3-state outputs January 1995
Nexperia B.V. All right...	HEF40244B	199Kb / 14P	Octal buffers with 3-state outputs Rev. 4 - 29 June 2018
Texas Instruments	SN54ALS465A	98Kb / 6P	[Old version datasheet] OCTAL BUFFERS WITH 3-STATE OUTPUTS
NXP Semiconductors	HEF40244B	72Kb / 6P	Octal buffers with 3-state outputs January 1995
Texas Instruments	SN54LS465	598Kb / 17P	[Old version datasheet] OCTAL BUFFERS WITH 3-STATE OUTPUTS
Texas Instruments	SN74AHC244	742Kb / 22P	[Old version datasheet] OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

More results

74F244 Folha de dados(PDF) 7 Page - NXP Semiconductors

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