CD74ACT74EX datasheet(6/8 Pages) TI

6 / 8 page

Propagation Delay, R, StoQ, QtPLH

1.5

120

132

3.3

3.8

13.4

3.7

14.7

2.7

9.5

2.6

10.5

tPHL

1.5

131

144

3.3

4.1

14.6

16.1

10.4

2.9

11.5

Input Capacitance

-10-

-10

Power Dissipation Capacitance

CPD

(Note 16)

ACT TYPES

Propagation Delay, CP to Q, QtPHL

tPLH

(Note 15)

2.5

8.6

2.4

9.5

Propagation Delay, R, StoQ, QtPLH

10.5

2.9

11.5

tPHL

3.2

11.4

3.1

12.5

Input Capacitance

-10-

-10

Power Dissipation Capacitance

CPD

(Note 16)

NOTES:

13. Limits tested 100%.

14. 3.3V Min at 3.6V, Max at 3V.

15. 5V Min at 5.5V, Max at 4.5V.

16. CPD is used to determine the dynamic power consumption per flip-flop.

PD =CPDVCC

2 f

i + Σ (CLVCC

2 f

o)+VCC ∆ICC where fi = input frequency, fo = output frequency, CL = output load capacitance, VCC =

supply voltage.

FIGURE 1.

FIGURE 2.

FIGURE 3.

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

PARAMETER

SYMBOL

VCC (V)

-40oC TO 85oC

-55oC TO 125oC

UNITS

MIN

TYP

MAX

MIN

TYP

MAX

INPUT LEVEL

GND

Q OR Q

tPHL

tPLH

INPUT LEVEL

GND

INPUT

R (S)

tREM

tPLH

(Q)

INPUT LEVEL

GND

tSU(L)

tH(L)

tH(H)

tSU(H)

INPUT LEVEL

GND

CD74AC74, CD74ACT74

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