Nexperia

74AHCT240

Octal buffer/line driver; inverting; 3-state

8. Recommended operating conditions

Table 5. Recommended operating conditions

Symbol Parameter

Conditions

Min

Typ

Max

Unit

VCC

supply voltage

4.5

5.0

5.5

V

VI

input voltage

0

-

5.5

V

VO

output voltage

0

-

VCC

V

Tamb

ambient temperature

-40

+25

+125

°C

Δt/ΔV

input transition rise and fall rate

VCC = 5 V ± 0.5 V

-

-

20

ns/V

9. Static characteristics

Table 6. Static characteristics

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

25 °C

-40 °C to +85 °C -40 °C to +125 °C

Symbol Parameter

Conditions

Min

Typ

Max

Min

Max

Min

Max

Unit

VIH

HIGH-level

input voltage

VCC = 4.5 V to 5.5 V

2.0

-

-

2.0

-

2.0

-

V

VIL

LOW-level

input voltage

VCC = 4.5 V to 5.5 V

-

-

0.8

-

0.8

-

0.8

V

VI = VIH or VIL; VCC = 4.5 V

IO = -50 μA

4.4

4.5

-

4.4

-

4.4

-

V

VOH

HIGH-

level output

voltage

IO = -8.0 mA

3.94

-

-

3.80

-

3.70

-

V

VI = VIH or VIL; VCC = 4.5 V

IO = 50 μA

-

0

0.1

-

0.1

-

0.1

V

VOL

LOW-level

output

voltage

IO = 8.0 mA

-

-

0.36

-

0.44

-

0.55

V

II

input leakage

current

VI = 5.5 V or GND;

VCC = 0 V to 5.5 V

-

-

0.1

-

1.0

-

2.0

μA

IOZ

OFF-state

output

current

VI = VIH or VIL;

VO = VCC or GND;

VCC = 5.5 V

-

-

±0.25

-

±2.5

-

±10.0 μA

ICC

supply

current

VI = VCC or GND; IO = 0 A;

VCC = 5.5 V

-

-

4.0

-

40

-

80

μA

ΔICC

additional

supply

current

per input pin;

VI = VCC - 2.1 V;

other pins at VCC or GND;

IO = 0 A;

VCC = 4.5 V to 5.5 V

-

-

1.35

-

1.5

-

1.5

mA

CI

input

capacitance

VI = VCC or GND

-

3

10

-

10

-

10

pF

CO

output

capacitance

-

4

-

-

-

-

-

pF

74AHCT240

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© Nexperia B.V. 2020. All rights reserved

Product data sheet

Rev. 6 — 29 June 2020

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