74HC21

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© NXP Semiconductors N.V. 2015. All rights reserved.

Product data sheet

Rev. 7 — 30 November 2015

4 of 14

NXP Semiconductors

74HC21

Dual 4-input AND gate

8.

Recommended operating conditions

9.

Static characteristics

Table 5.

Recommended operating conditions

Voltages are referenced to GND (ground = 0 V)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VCC

supply voltage

2.0

5.0

6.0

V

VI

input voltage

0

-

VCC

V

VO

output voltage

0

-

VCC

V

t/V

input transition rise and fall

rate

VCC = 2.0 V

-

-

625

ns/V

VCC = 4.5 V

-

1.67

139

ns/V

VCC = 6.0 V

-

-

83

ns/V

Tamb

ambient temperature

40

-

+125

C

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

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 = 4.0 mA; VCC = 4.5 V

3.98

4.32

-

3.84

-

3.7

-

V

IO = 5.2 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 = 4.0 mA; VCC = 4.5 V

-

0.15

0.26

-

0.33

-

0.4

V

IO = 5.2 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-

1

A

ICC

supply current

VI = VCC or GND; IO =0A;

VCC =6.0 V

--

2.0

-

20

-

40

A

CI

input

capacitance

-3.5

-

-

-

-

-

pF

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