CD74ACT138E datasheet(5/7 Pages) TI

5 / 7 page

Switching Speciﬁcations Input tr, tf = 3ns, CL = 50pF (Worst Case)

PARAMETER

SYMBOL

VCC (V)

-40oC TO 85oC

-55oC TO 125oC

UNITS

MIN

TYP

MAX

MIN

TYP

MAX

AC TYPES

Propagation Delay,

An to Output

(CD54/74AC/ACT138)

tPLH, tPHL

1.5

125

138

3.3

(Note 11)

3.9

15.4

(Note 12)

2.8

Propagation Delay,

E1, E2 to Output

(CD54/74AC/ACT138)

tPLH, tPHL

1.5

114

125

3.3

3.6

12.7

3.5

2.6

9.1

2.5

Propagation Delay,

E3 to Output

(CD54/74AC/ACT138)

tPLH, tPHL

1.5

125

138

3.3

3.9

15.4

2.8

Propagation Delay,

An to Output

(CD74AC/ACT238)

tPLH, tPHL

1.5

170

187

3.3

5.4

19.1

5.3

3.9

13.6

3.8

Propagation Delay,

E1, E2 to Output

(CD74AC/ACT238)

tPLH, tPHL

1.5

135

149

3.3

4.3

15.2

4.2

16.7

3.1

10.7

11.9

Propagation Delay,

E3 to Output

(CD74AC/ACT238)

tPLH, tPHL

1.5

189

208

3.3

21.1

5.8

23.2

4.3

15.1

4.2

16.6

Input Capacitance

-10-

-10

Power Dissipation Capacitance

CPD

(Note 13)

110

ACT TYPES

Propagation Delay,

An to Output

(CD54/74AC/ACT138)

tPLH, tPHL

(Note 12)

3.1

10.9

Propagation Delay,

E1, E2 to Output

(CD54/74AC/ACT138)

tPLH, tPHL

2.7

9.5

2.6

10.5

Propagation Delay,

E3 to Output

(CD54/74AC/ACT138)

tPLH, tPHL

2.8

Propagation Delay,

An to Output

(CD74AC/ACT238)

tPLH, tPHL

14.2

3.9

15.6

Propagation Delay,

E1, E2 to Output

(CD74AC/ACT238)

tPLH, tPHL

3.7

12.9

3.6

14.2

CD54/74AC138, CD54/74ACT138, CD74AC238, CD74ACT238

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