5.4 Electrical Specifications

PARAMETER

TEST

CONDITIONS(2)

VCC

(V)

25

℃

–40

℃ to 85℃

–55

℃ to 125℃

UNIT

MIN

TYP

MAX

MIN

MAX

MIN

MAX

HC TYPES

VIH

High level input voltage

2

1.5

1.5

1.5

V

4.5

3.15

3.15

3.15

6

4.2

4.2

4.2

VIL

Low level input voltage

2

0.5

0.5

0.5

V

4.5

1.35

1.35

1.35

6

1.8

1.8

1.8

VOH

High level output voltage

IOH = – 20 μA

2

1.9

1.9

1.9

V

IOH = – 20 μA

4.5

4.4

4.4

4.4

IOH = – 20 μA

6

5.9

5.9

5.9

High level output voltage

IOH = – 4 mA

4.5

3.98

3.84

3.7

IOH = – 5.2 mA

6

5.48

5.34

5.2

VOL

Low level output voltage

IOL = 20 μA

2

0.1

0.1

0.1

V

IOL = 20 μA

4.5

0.1

0.1

0.1

IOL = 20 μA

6

0.1

0.1

0.1

Low level output voltage

IOL = 4 mA

4.5

0.26

0.33

0.4

IOL = 5.2 mA

6

0.26

0.33

0.4

II

Input leakage current

VI = VCC or GND

6

±0.1

±1

±1

mA

ICC

Supply current

VI = VCC or GND

6

4

40

80

mA

HCT TYPES

VIH

High level input voltage

4.5 to

5.5

2

2

2

V

VIL

Low level input voltage

4.5 to

5.5

0.8

0.8

0.8

V

VOH

High level output voltage

IOH = – 20 μA

4.5

4.4

4.4

4.4

V

High level output voltage

IOH = – 4 mA

4.5

3.98

3.84

3.7

VOL

Low level output voltage

IOL = 20 μA

4.5

0.1

0.1

0.1

V

Low level output voltage

IOL = 4 mA

4.5

0.26

0.33

0.4

II

Input leakage current

VI = VCC and

GND

5.5

±0.1

±1

±1

μA

ICC

Supply current

VI = VCC and

GND

5.5

4

40

80

μA

ΔICC (1)

Additional supply current

per input pin

All inputs held at

VCC – 2.1

4.5 to

5.5

100

108

135

147

μA

(1)

For dual-supply systems theoretical worst case (VI = 2.4 V, VCC = 5.5 V) specification is 1.8 mA.

(2)

VI = VIH or VIL.

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CD54HC73, CD74HC73, CD74HCT73

SCHS134G – FEBRUARY 1998 – REVISED OCTOBER 2022

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