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Fabricante

M74HC541

OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)

STMicroelectronics 

M74HC541

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

PIN No

1, 19

2, 3, 4, 5, 6,

7, 8, 9

18, 17, 16,

15, 14, 13,

12, 11

10

20

SYMBOL

G1, G2

A1 to A8

NAME AND FUNCTION

Output Enable Inputs

Data Inputs

Y1 to Y8 Bus Outputs

GND

VCC

Ground (0V)

Positive Supply Voltage

TRUTH TABLE

G1

H

X

L

L

X : Don’t Care

Z : High Impedance

INPUT

G2

X

H

L

L

OUTPUT

An

Yn

X

Z

X

Z

H

H

L

L

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VCC Supply Voltage

-0.5 to +7

V

VI

DC Input Voltage

-0.5 to VCC + 0.5

V

VO

DC Output Voltage

-0.5 to VCC + 0.5

V

IIK

DC Input Diode Current

± 20

mA

IOK

DC Output Diode Current

± 20

mA

IO

DC Output Current

± 35

mA

ICC or IGND DC VCC or Ground Current

± 70

mA

PD

Power Dissipation

500(*)

mW

Tstg Storage Temperature

-65 to +150

°C

TL

Lead Temperature (10 sec)

300

°C

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

not implied

(*) 500mW at 65 °C; derate to 300mW by 10mW/°C from 65°C to 85°C

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