SL74LS05 Просмотр технического описания (PDF) - System Logic Semiconductor

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SL74LS05

Hex Inverters with Open-Drain Outputs

System Logic Semiconductor 

SL74LS05

Hex Inverters

with Open-Drain Outputs

This device contains idenpendent inverts. It performs the Boolean

function Y=A. The open collector outputs require pull-up resistor to

perform correctly. Open-collector devices are often used to generate

higher VOH levels.

Pull-Up Resistor Equations

VCC(Min) - VOH

RMAX=

N1(IOH) + N2(IIH)

RMIN=

VCC(Max) - VOL

(IOL + N3(IIL)

Where: N1(IOH)=total maximumoutput high current for all outputs tied

to pull-up resistor

N2(IIH)=total input high current for all inputs tied to pull-up

resistor

N3(IIL)=total input low current for all inputs tied to pull-up

resistor

LOGIC DIAGRAM

ORDERING INFORMATION

SL74LS05N Plastic

SL74LS05D SOIC

TA = -0° to 70° C

for all packages

PIN ASSIGNMENT

PIN 14 =VCC

PIN 7 = GND

SLS System Logic

Semiconductor

FUNCTION TABLE

Inputs

A

L

H

Output

Y

H

L

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