MC54/74HC160 MC54/74HC162

MOTOROLA

High–Speed CMOS Logic Data

DL129 — Rev 6

4

Symbol

Parameter

VCC

V

Guaranteed Limit

Unit

Symbol

Parameter

VCC

V

– 55 to

25

_C

v 85_C

v 125_C

Unit

tsu

Minimum Setup Time, Preset Data Inputs to Clock

(Figure 5)

2.0

4.5

6.0

150

30

26

190

38

33

225

45

38

ns

tsu

Minimum Setup Time, Load to Clock

(Figure 5)

2.0

4.5

6.0

135

27

23

170

34

29

205

41

35

ns

tsu

Minimum Setup Time, Reset to Clock (HC162 only)

(Figure 4)

2.0

4.5

6.0

160

32

27

200

40

34

240

48

41

ns

tsu

Minimum Setup Time, Enable T or Enable P to Clock

(Figure 6)

2.0

4.5

6.0

200

40

34

250

50

43

300

60

51

ns

th

Minimum Hold Time, Clock to Preset Data Inputs

(Figure 5)

2.0

4.5

6.0

50

10

9

65

13

11

75

15

13

ns

th

Minimum Hold Time, Clock to Load

(Figure 5)

2.0

4.5

6.0

3

3

3

3

3

3

3

3

3

ns

th

Minimum Hold Time, Clock to Reset (HC162 only)

(Figure 4)

2.0

4.5

6.0

3

3

3

3

3

3

3

3

3

ns

th

Minimum Hold Time, Clock to Enable T or Enable P

(Figure 6)

2.0

4.5

6.0

3

3

3

3

3

3

3

3

3

ns

trec

Minimum Recovery Time, Reset Inactive to Clock (HC160 only)

(Figure 2)

2.0

4.5

6.0

125

25

21

155

31

26

190

38

32

ns

trec

Minimum Recovery Time, Load Inactive to Clock

(Figure 5)

2.0

4.5

6.0

125

25

21

155

31

26

190

38

32

ns

tw

Minimum Pulse Width, Clock

(Figure 1)

2.0

4.5

6.0

80

16

14

100

20

17

120

24

20

ns

tw

Minimum Pulse Width, Reset (HC160 only)

(Figure 2)

2.0

4.5

6.0

80

16

14

100

20

17

120

24

20

ns

tr, tf

Maximum Input Rise and Fall Times

(Figure 1)

2.0

4.5

6.0

1000

500

400

1000

500

400

1000

500

400

ns

NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).