74HCT244N datasheet(9/18 Pages) NXP

Nome de Peças	74HCT244N

Descrição Electrónicos	Octal buffer/line driver; 3-state

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74HC_HCT244

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Product data sheet

Rev. 4 — 24 September 2012

9 of 18

NXP Semiconductors

74HC244; 74HCT244

Octal buffer/line driver; 3-state

Test data is given in Table 9.

Definitions test circuit:

RT = Termination resistance should be equal to output impedance Zo of the pulse generator.

CL = Load capacitance including jig and probe capacitance.

RL = Load resistance.

S1 = Test selection switch.

Fig 8.

Test circuit for measuring switching times

VM

tW

10 %

90 %

0 V

VI

negative

pulse

positive

pulse

0 V

VM

90 %

10 %

tf

tr

tf

001aad983

DUT

VCC

VI

VO

RT

RL

S1

CL

open

G

Table 9.

Test data

Type

Input

Load

S1 position

VI

tr, tf

CL

RL

tPHL, tPLH

tPZH, tPHZ

tPZL, tPLZ

74HC244

VCC

6ns

15pF, 50 pF

1k



open

GND

VCC

74HCT244

3 V

6 ns

15 pF, 50 pF

1 k



open

GND

VCC

Nº de peça semelhante - 74HCT244N

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
NXP Semiconductors	74HCT244N	39Kb / 7P	Octal buffer/line driver; 3-state December 1990
	74HCT244N	127Kb / 22P	Octal buffer/line driver; 3-state Rev. 03-22 December 2005
	74HCT244N	145Kb / 18P	Octal buffer/line driver; 3-state Rev. 4-24 September 2012
	74HCT244N	145Kb / 18P	Octal buffer/line driver; 3-state Rev. 4 ??24 September 2012 Rev. 4-24 September 2012
	74HCT244N	145Kb / 18P	Octal buffer/line driver; 3-state Rev. 4-24 September 2012

More results

Descrição semelhante - 74HCT244N

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NXP Semiconductors	74AHC541	81Kb / 16P	Octal buffer/line driver; 3-state 1999 Nov 24
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