6

Set-Up Time, CE to CP

5

9.2

-

10.5

-

ns

Set-Up Time, U/D to CP

5

10.5

-

12

-

ns

Hold Time, Pn to PL

52

-

2

-

ns

Hold Time, CE to CP

50

-

0

-

ns

Hold Time, U/D to CP

50

-

0

-

ns

NOTES:

8. 3.3V Min is at 3V.

9. 5V Min is at 4.5V.

10. Applies to non-cascaded operation only. With cascaded counters clock-to-terminal count propagation delays, count enable (CE)-to-clock

PARAMETER

SYMBOL

UNITS

MIN

TYP

MAX

MIN

TYP

MAX

AC TYPES

Propagation Delay

PL to Qn

1.5

-

-

171

-

-

188

ns

3.3

(Note 12)

5.4

-

19.1

5.3

-

21

ns

5

(Note 13)

3.9

-

13.6

3.8

-

15

ns

Propagation Delay

Pn to Qn

1.5

-

-

173

-

-

190

ns

3.3

5.4

-

19.4

5.3

-

21.3

ns

5

3.9

-

13.8

3.8

-

15.2

ns

Propagation Delay

CP to Qn

1.5

-

-

182

-

-

200

ns

3.3

5.8

-

20.4

5.6

-

22.4

ns

5

4.1

-

14.5

4

-

16

ns

Propagation Delay

CP to RC

1.5

-

-

136

-

-

150

ns

3.3

4.3

-

15.3

4.2

-

16.8

ns

5

3.1

-11

3

-12

ns

Propagation Delay

CP to TC

1.5

-

-

227

-

-

250

ns

3.3

7.2

-

25.5

7

-

28

ns

5

5.2

-

18.2

5

-

20

ns

Propagation Delay

U/D to RC

1.5

-

-

246

-

-

271

ns

3.3

7.8

-

27.6

7.6

-

30.4

ns

5

5.6

-

19.7

5.4

-

21.7

ns

Propagation Delay

U/D to TC

1.5

-

-

160

-

-

176

ns

3.3

5.1

-

17.9

4.9

-

19.7

ns

5

3.6

-

12.8

3.5

-

14.1

ns

Prerequisite For Switching Function

(Continued)

PARAMETER

SYMBOL

UNITS

MIN

MAX

MIN

MAX

f

MAX

CP

()

1

CP-to-TC prop. delay + CE-to-CP setup + CE-to-CP Hold

--------------------------------------------------------------------------------------------------------------------------------------------------------

1

18.2

9.2

0

++

------------------------------------

36MHz

≈

=

=

CD74AC191, CD74ACT191