74HC245

http://onsemi.com

4

Guaranteed Limit

Symbol

Parameter

Test Conditions

V

–55 to

25_C

v 85_C

v 125_C

Unit

2.0

3.0

4.5

6.0

1.5

2.1

3.15

4.2

1.5

2.1

3.15

4.2

1.5

2.1

3.15

4.2

V

2.0

3.0

4.5

6.0

0.5

0.9

1.35

1.8

0.5

0.9

1.35

1.8

0.5

0.9

1.35

1.8

V

Minimum High−Level Output

Voltage

2.0

4.5

6.0

1.9

4.4

5.9

1.9

4.4

5.9

1.9

4.4

5.9

V

3.0

4.5

6.0

2.48

3.98

5.48

2.34

3.84

5.34

2.2

3.7

5.2

Maximum Low−Level Output

Voltage

2.0

4.5

6.0

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

V

3.0

4.5

6.0

0.26

0.26

0.26

0.33

0.33

0.33

0.4

0.4

0.4

Maximum Input Leakage Current

6.0

±0.1

±1.0

±1.0

mA

Maximum Three−State Leakage

Current

Output in High−Impedance State

6.0

±0.5

±5.0

±10

mA

Maximum Quiescent Supply

Current (per Package)

6.0

4.0

40

40

mA

6. Information on typical parametric values and high frequency or heavy load considerations can be found in the ON Semiconductor

High−Speed CMOS Data Book (DL129/D).

Symbol

Parameter

V

Guaranteed Limit

Unit

–55 to

25_C

v 85_C

v 125_C

Maximum Propagation Delay,

A to B, B to A

(Figures 1 and 3)

2.0

3.0

4.5

6.0

75

55

15

13

95

70

19

16

110

80

22

19

ns

Maximum Propagation Delay,

Direction or Output Enable to A or B

(Figures 2 and 4)

2.0

3.0

4.5

6.0

110

90

22

19

140

110

28

24

165

130

33

28

ns

Maximum Propagation Delay,

Output Enable to A or B

(Figures 2 and 4)

2.0

3.0

4.5

6.0

110

90

22

19

140

110

28

24

165

130

33

28

ns

Maximum Output Transition Time,

Any Output

(Figures 1 and 3)

2.0

3.0

4.5

6.0

60

23

12

10

75

27

15

13

90

32

18

15

ns

Maximum Input Capacitance (Pin 1 or Pin 19)

−

10

10

10

pF

Maximum Three−State I/O Capacitance

(I/O in High−Impedance State)

−

15

15

15

pF

7. 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).

Power Dissipation Capacitance (Per Transceiver Channel) (Note 8)

pF

40

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