Switching characteristics – Diodes 74HC594 User Manual

Page 5

Advertising
background image

74AHC594

Document number: DS35484 Rev. 3 - 2

5 of 10

www.diodes.com

June 2013

© Diodes Incorporated

74HC594

Switching Characteristics

Symbol /

Parameter

Pins

Test Conditions

V

CC

T

A

= +25°C

-40°C to +85°C

-40°C to +125°C

Unit

Min Typ Max Min Max Min Max

f

MAX

Maximum

Frequency

SHCP or

STCP

Figure 2

2.0V 6

30

4.8

4

MHz

4.5V 30

92

24

20

5.0V

100

6.0V 35

109

28

24

t

W

Pulse Width

SHCP

HIGH or

LOW

Figure 2

2.0V 80

10

100

120

ns

4.5V 16 4

20

24

6.0V 14 3

17

20

STCP

HIGH or

LOW

Figure 2

2.0V 80

10

100

120

4.5V 16 4

20

24

6.0V 14 3

17

20

SHR and

STR

HIGH or

LOW

Figure 2

2.0V 80

14

100

120

4.5V 16 5

20

24

6.0V 14 4

17

20

t

SU

Set-up Time

DS to

SHCP

Figure 2

2.0V 100

10

125

150

ns

4.5V 20 4

25

30

6.0V 17 3

21

26

SHR to

STCP

Figure 2

2.0V 100

14

125

150

ns

4.5V 20 5

25

30

6.0V 17 4

21

26

SHCP to

STCP

Figure 2

2.0V 100

17

125

150

ns

4.5V 20 6

25

30

6.0V 17 5

21

26

t

PD

Propagation

Delay

SHCP to

Q7S

Figure 2

2.0V

44 150

185

225

ns

4.5V

16 30

37

45

5.0V

13

6.0V

14 26

31

38

STCP to

Qn

Figure 2

2.0V

44 150

185

225

ns

4.5V

16 30

37

45

5.0V

13

6.0V

14 26

31

38

t

H

Hold Time

DS to

SHCP

Figure 2

2.0V 25 -8

30

35

ns

4.5V 5 -3

6

7

6.0V 4 -2

5

6

t

REC

Recovery Time

SHR to

SHCP and

STR to

STCP

Figure 2

2.0V 50

-14

65

75

ns

4.5V 10 -5

13

15

6.0V 9 -4

11

13

t

PHL

Propagation

Delay

SHR to

Q7S

Figure 2

2.0V

39 150

185

225

ns

4.5V

14 30

37

45

5.0V

11

6.0V

12 26

31

38

STR to Qn

Figure 2

2.0V

39 125

155

185

ns

4.5V

14 25

31

37

5.0V

11

6.0V

12 21

26

31

t

THL

Transition Time

Serial data

output Q7S

Figure 2

2.0V

19 75

95

110

ns

4.5V

7 15

19

22

6.0V

6 13

16

19

Parallel

Data

Outputs Q

N

Figure 2

2.0V

14 60

75

90

ns

4.5V

5 12

15

18

6.0V

4 10

13

15

Advertising