CD74AC245 datasheet(5/16 Pages) TI

5 / 16 page

ACT Input Load Table

INPUT

UNIT LOAD

An, Bn

0.83

0.64

DIR

0.25

NOTE: Unit load is

∆ICC limit specified in DC Electrical Specifications

Table, e.g., 2.4mA max at 25oC.

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,

Data to Output

tPLH, tPHL

1.5

106

3.3

(Note 9)

3.2

10.8

11.9

(Note 10)

2.2

7.7

2.1

8.5

Propagation Delay,

Output Disable to Output

tPLZ, tPHZ

1.5

159

175

3.3

4.7

15.9

4.4

17.5

3.7

12.7

3.5

Propagation Delay,

Output Enable to Output

tPZL, tPZH

1.5

159

175

3.3

5.6

5.3

3.7

12.7

3.5

Minimum (Valley) VOH During

Switching of Other Outputs

(Output Under Test Not Switching)

VOHV

See Figure 1

4 at

25oC

4 at

25oC

-V

Maximum (Peak) VOL During

Switching of Other Outputs

(Output Under Test Not Switching)

VOLP

See Figure 1

1 at

25oC

1 at

25oC

-V

Three-State Output Capacitance

Input Capacitance

-10-

-10

Power Dissipation Capacitance

CPD

(Note 11)

ACT TYPES

Propagation Delay,

Data to Output

tPLH, tPHL

(Note 10)

2.7

9.1

2.5

Propagation Delay,

Output Disable to Output

tPLZ, tPHZ

3.7

12.7

3.5

Propagation Delay,

Output Enable to Output

tPZL, tPZH

3.8

13.1

3.6

14.4

Minimum (Valley) VOH During

Switching of Other Outputs

(Output Under Test Not Switching)

VOHV

See Figure 1

4 at

25oC

4 at

25oC

-V

Maximum (Peak) VOL During

Switching of Other Outputs

(Output Under Test Not Switching)

VOLP

See Figure 1

1 at

25oC

1 at

25oC

-V

CD54/74AC245, CD54/74ACT245

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