MC74AC244, MC74ACT244

http://onsemi.com

5

AC CHARACTERISTICS (For Figures and Waveforms – See Section 3)

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

50

20

65

90

15

10 0

ns

3–5

tPLH

Pro agation Delay

Data to Output

5.0

2.0

6.5

9.0

1.5

10.0

ns

3–5

tPHL

Propagation Delay

50

20

70

90

15

10 0

ns

3–5

tPHL

Pro agation Delay

Data to Output

5.0

2.0

7.0

9.0

1.5

10.0

ns

3–5

tPZH

Output Enable Time

5.0

1.5

6.0

8.5

1.0

9.5

ns

3–7

tPZL

Output Enable Time

5.0

2.0

7.0

9.5

1.5

10.5

ns

3–8

tPHZ

Output Disable Time

5.0

2.0

7.0

9.5

1.5

10.5

ns

3–7

tPLZ

Output Disable Time

5.0

2.5

7.5

10.0

2.0

10.5

ns

3–8

*Voltage Range 5.0 V is 5.0 V

±0.5 V.

CAPACITANCE

Symbol

Parameter

Value

Typ

Unit

Test Conditions

CIN

Input Capacitance

4.5

pF

VCC = 5.0 V

CPD

Power Dissipation Capacitance

45

pF

VCC = 5.0 V

AC

244

ALYW

AC244

AWLYYWW

MC74AC244N

AWLYYWW

74AC244

AWLYWW

MARKING DIAGRAMS

PDIP–20

SO–20

TSSOP–20

EIAJ–20

ACT

244

ALYW

ACT244

AWLYYWW

MC74ACT244N

AWLYYWW

74ACT244

AWLYWW

A

= Assembly Location

WL, L

= Wafer Lot

YY, Y

= Year

WW, W = Work Week