74LCX244 datasheet(2/12 Pages) STMICROELECTRONICS

Nome de Peças	74LCX244

Descrição Electrónicos	LOW VOLTAGE CMOS OCTAL BUS BUFFER (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS

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74LCX244

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Figure 2: Input And Output Equivalent Circuit

Table 2: Pin Description

Table 3: Truth Table

X : Don’t Care

Z : High Impedance

Table 4: Absolute Maximum Ratings

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is

not implied

1) IO absolute maximum rating must be observed

2) VO < GND

PIN N°

SYMBOL

NAME AND FUNCTION

11G

Output Enable Input

2, 4, 6, 8

1A1 to 1A4

Data Inputs

9, 7, 5, 3

2Y1 to 2Y4

Data Outputs

11, 13, 15,

17

2A1 to 2A4

Data Inputs

18, 16, 14,

12

1Y1 to 1Y4

Data Outputs

19

2G

Output Enable Input

10

GND

Ground (0V)

20

VCC

Positive Supply Voltage

INPUT

OUTPUT

G

An

Yn

LLL

LH

H

HX

Z

Symbol

Parameter

Value

Unit

VCC

Supply Voltage

-0.5 to +7.0

V

VI

DC Input Voltage

-0.5 to +7.0

V

VO

DC Output Voltage (OFF State)

-0.5 to +7.0

V

VO

DC Output Voltage (High or Low State) (note 1)

-0.5 to VCC + 0.5

V

IIK

DC Input Diode Current

- 50

mA

IOK

DC Output Diode Current (note 2)

- 50

mA

IO

DC Output Current

± 50

mA

ICC

DC Supply Current per Supply Pin

± 100

mA

IGND

DC Ground Current per Supply Pin

± 100

mA

Tstg

Storage Temperature

-65 to +150

°C

TL

Lead Temperature (10 sec)

300

°C

Nº de peça semelhante - 74LCX244

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