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MC74AC240

Octal Buffer/Line Driver with 3-State Outputs

ON Semiconductor 

MC74AC240, MC74ACT240

AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)

74ACT

74ACT

Symbol

Parameter

VCC*

(V)

TA = +25°C

CL = 50 pF

TA = −40°C

to +85°C

CL = 50 pF

Unit

Fig.

No.

Min Typ Max Min Max

tPLH

Propagation Delay

Data to Output

tPHL

Propagation Delay

Data to Output

tPZH

Output Enable Time

tPZL

Output Enable Time

tPHZ

Output Disable Time

tPLZ

Output Disable Time

*Voltage Range 5.0 V is 5.0 V ±0.5 V.

5.0 1.5 6.0 8.5 1.5 9.5

ns

3−5

5.0 1.5 5.5 7.5 1.5 8.5

ns

3−5

5.0 1.5 7.0 8.5 1.0 9.5

ns

3−7

5.0 2.0 7.0 9.5 1.5 10.5 ns

3−8

5.0 2.0 8.0 9.5 2.0 10.5 ns

3−7

5.0 2.5 6.5 10.0 2.0 10.5 ns

3−8

CAPACITANCE

Symbol

Parameter

CIN

Input Capacitance

CPD

Power Dissipation Capacitance

Value

Typ

Unit

4.5

pF

45

pF

PDIP−20

MARKING DIAGRAMS

SO−20

TSSOP−20

MC74AC240N

AWLYYWW

AC240

AWLYYWW

AC

240

ALYW

Test Conditions

VCC = 5.0 V

VCC = 5.0 V

EIAJ−20

74AC240

AWLYWW

MC74ACT240N

AWLYYWW

ACT240

AWLYYWW

ACT

240

ALYW

A

= Assembly Location

WL, L = Wafer Lot

YY, Y = Year

WW, W = Work Week

74ACT240

AWLYWW

http://onsemi.com

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