MC74HC574A datasheet(5/10 Pages) ONSEMI

Part #	MC74HC574A

Description	Octal 3?뭆tate Noninverting D Flip?묯lop High?뭁erformance Silicon?묰ate CMOS

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MC74HC574A

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AC ELECTRICAL CHARACTERISTICS (CL = 50 pF; Input tr = tf = 6.0 ns)

VCC

V

Guaranteed Limit

Symbol

Parameter

*55 to 25_C

v85_C

v125_C

Unit

fmax

Maximum Clock Frequency (50% Duty Cycle)

(Figures 3 and 6)

2.0

3.0

4.5

6.0

15

30

35

4.8

10

24

28

4.0

8.0

20

24

MHz

tPLH,

tPHL

Maximum Propagation Delay, Clock to Q

(Figures 3 and 6)

2.0

3.0

4.5

6.0

160

105

32

27

200

145

40

34

240

190

48

41

ns

tPLZ,

tPHZ

Maximum Propagation Delay, Output Enable to Q

(Figures 4 and 7)

2.0

3.0

4.5

6.0

150

100

30

26

190

125

38

33

225

150

45

38

ns

tPZL,

tPZH

Maximum Propagation Delay, Output Enable to Q

(Figures 4 and 7)

2.0

3.0

4.5

6 0

140

90

28

24

175

120

35

30

210

140

42

36

ns

tTLH,

tTHL

Maximum Output Transition Time, any Output

(Figures 3 and 6)

2.0

3.0

4.5

6.0

60

27

12

10

75

32

15

13

90

36

18

15

ns

Cin

Maximum Input Capacitance

10

pF

Cout

Maximum Three−State Output Capacitance, Output in High−Impedance

State

15

pF

9. For propagation delays with loads other than 50 pF, and information on typical parametric values, see the ON Semiconductor High−Speed

CMOS Data Book (DL129/D).

Typical @ 25

°C, VCC = 5.0 V

CPD

Power Dissipation Capacitance (Per Enabled Output)*

24

pF

*Used to determine the no−load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see the ON

Semiconductor High−Speed CMOS Data Book (DL129/D).

TIMING REQUIREMENTS (CL = 50 pF; Input tr = tf = 6.0 ns)

Guaranteed Limit

VCC

– 55 to 25

_C

v 85_C

v 125_C

Symbol

Parameter

Figure

Volts

Min

Max

Min

Max

Min

Max

Unit

tsu

Minimum Setup Time, Data to Clock

5

2.0

3.0

4.6

6.0

50

40

10

9.0

65

50

13

11

75

60

15

13

ns

th

Minimum Hold Time, Clock to Data

5

2.0

3.0

4.5

6.0

5.0

ns

tw

Minimum Pulse Width, Clock

3

2.0

3.0

4.5

6.0

75

60

15

13

95

80

19

16

110

90

22

19

ns

tr, tf

Maximum Input Rise and Fall Times

3

2.0

3.0

4.5

6.0

1000

800

500

400

1000

800

500

400

1000

800

500

400

ns

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