74HC_HCT240

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© NXP Semiconductors N.V. 2016. All rights reserved.

Product data sheet

Rev. 4 — 25 February 2016

5 of 17

NXP Semiconductors

74HC240; 74HCT240

Octal buffer/line driver; 3-state; inverting

9.

Static characteristics

Table 6.

Static characteristics

At recommended operating conditions; voltages are referenced to GND (ground = 0 V).

Symbol Parameter

Conditions

25

C

40 C to +85 C 40 C to +125 C Unit

Min

Typ

Max

Min

Max

Min

Max

74HC240

VIH

HIGH-level

input voltage

VCC = 2.0 V

1.5

1.2

-

1.5

-

1.5

-

V

VCC = 4.5 V

3.15

2.4

-

3.15

-

3.15

-

V

VCC = 6.0 V

4.2

3.2

-

4.2

-

4.2

-

V

VIL

LOW-level

input voltage

VCC = 2.0 V

-

0.8

0.5

-

0.5

-

0.5

V

VCC = 4.5 V

-

2.1

1.35

-

1.35

-

1.35

V

VCC = 6.0 V

-

2.8

1.8

-

1.8

-

1.8

V

VOH

HIGH-level

output voltage

VI =VIH or VIL

IO = 20 A; VCC = 2.0 V

1.9

2.0

-

1.9

-

1.9

-

V

IO = 20 A; VCC = 4.5 V

4.4

4.5

-

4.4

-

4.4

-

V

IO = 20 A; VCC = 6.0 V

5.9

6.0

-

5.9

-

5.9

-

V

IO = 6.0 mA; VCC = 4.5 V

3.98 4.32

-

3.84

-

3.7

-

V

IO = 7.8 mA; VCC = 6.0 V

5.48 5.81

-

5.34

-

5.2

-

V

VOL

LOW-level

output voltage

VI =VIH or VIL

IO =20 A; VCC = 2.0 V

-

0

0.1

-

0.1

-

0.1

V

IO =20 A; VCC = 4.5 V

-

0

0.1

-

0.1

-

0.1

V

IO =20 A; VCC = 6.0 V

-

0

0.1

-

0.1

-

0.1

V

IO =6.0 mA; VCC = 4.5 V

-

0.15

0.26

-

0.33

-

0.4

V

IO =7.8 mA; VCC = 6.0 V

-

0.16

0.26

-

0.33

-

0.4

V

II

input leakage

current

VI =VCC or GND;

VCC =6.0 V

--

0.1

-

1.0

-

1.0

A

IOZ

OFF-state

output current

VI =VIH or VIL; VCC =6.0 V;

VO =VCC or GND

--

0.5

-

5.0

-

10

A

ICC

supply current VI =VCC or GND; IO =0A;

VCC =6.0 V

-

-

8.0

-

80

-

160

A

CI

input

capacitance

-3.5

-

-

-

-

-

pF

74HCT240

VIH

HIGH-level

input voltage

VCC = 4.5 V to 5.5 V

2.0

1.6

-

2.0

-

2.0

-

V

VIL

LOW-level

input voltage

VCC = 4.5 V to 5.5 V

-

1.2

0.8

-

0.8

-

0.8

V

VOH

HIGH-level

output voltage

VI =VIH or VIL; VCC =4.5 V

IO = 20 A

4.4

4.5

-

4.4

-

4.4

-

V

IO = 6 mA

3.98 4.32

-

3.84

-

3.7

-

V

VOL

LOW-level

output voltage

VI =VIH or VIL; VCC =4.5 V

IO =20 A

-

0

0.1

-

0.1

-

0.1

V

IO = 6.0 mA

-

0.16

0.26

-

0.33

-

0.4

V