Nexperia

74HC240; 74HCT240

Octal buffer/line driver; 3-state; inverting

25 °C

-40 °C to

+85 °C

-40 °C to

+125 °C

Symbol Parameter

Conditions

Min Typ Max

Min

Max

Min

Max

Unit

VI = VIH or VIL

IO = -20 μA; VCC = 2.0 V

1.9

2.0

-

1.9

-

1.9

-

V

IO = -20 μA; VCC = 4.5 V

4.4

4.5

-

4.4

-

4.4

-

V

IO = -20 μA; 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

VOH

HIGH-level

output voltage

IO = -7.8 mA; VCC = 6.0 V

5.48 5.81

-

5.34

-

5.2

-

V

VI = VIH or VIL

IO = 20 μA; VCC = 2.0 V

-

0

0.1

-

0.1

-

0.1

V

IO = 20 μA; VCC = 4.5 V

-

0

0.1

-

0.1

-

0.1

V

IO = 20 μA; 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

VOL

LOW-level

output voltage

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 μA

IOZ

OFF-state

output current

VI = VIH or VIL; VCC = 6.0 V;

VO = VCC or GND

-

-

±0.5

-

±5.0

-

±10 μA

ICC

supply current

VI = VCC or GND; IO = 0 A;

VCC = 6.0 V

-

-

8.0

-

80

-

160 μA

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

VI = VIH or VIL; VCC = 4.5 V

IO = -20 μA

4.4

4.5

-

4.4

-

4.4

-

V

VOH

HIGH-level

output voltage

IO = -6 mA

3.98 4.32

-

3.84

-

3.7

-

V

VI = VIH or VIL; VCC = 4.5 V

IO = 20 μA

-

0

0.1

-

0.1

-

0.1

V

VOL

LOW-level

output voltage

IO = 6.0 mA

-

0.16 0.26

-

0.33

-

0.4

V

II

input leakage

current

VI = VCC or GND; VCC = 5.5 V

-

-

±0.1

-

±1.0

-

±1.0 μA

IOZ

OFF-state

output current

VI = VIH or VIL; VCC = 5.5 V;

VO = VCC or GND

-

-

±0.5

-

±5.0

-

±10 μA

ICC

supply current

VI = VCC or GND; VCC = 5.5 V;

IO = 0 A

-

-

8.0

-

80

-

160 μA

per input pin; VI = VCC - 2.1 V;

other inputs at VCC or GND;

VCC = 4.5 V to 5.5 V; IO = 0 A

nAn or inputs

-

150

540

-

675

-

735 μA

ΔICC

additional

supply current

nOE input

-

70

252

-

315

-

343 μA

CI

input

capacitance

-

3.5

-

-

-

-

-

pF

74HC_HCT240

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© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 6 — 2 September 2021

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