5.4 Electrical Characteristics

PARAMETER

TEST

CONDITIONS(1)

VCC

(V)

25°C

–40°C to 85°C

–55°C to 125°C

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

V

6

4.2

4.2

4.2

V

VIL

Low-level input voltage

2

0.5

0.5

0.5

V

4.5

1.35

1.35

1.35

V

6

1.8

1.8

1.8

V

VOH

High-level output voltage

CMOS loads

IOH = – 20μA

2

1.9

1.9

1.9

V

IOH = – 20μA

4.5

4.4

4.4

4.4

V

IOH = – 20μA

6

5.9

5.9

5.9

V

High-level output voltage

TTL loads

IOH = – 6mA

4.5

3.98

3.84

3.7

V

IOH = – 7.8mA

6

5.48

5.34

5.2

V

VOL

Low-level output voltage

CMOS loads

IOL = 20μA

2

0.1

0.1

0.1

V

IOL = 20μA

4.5

0.1

0.1

0.1

V

IOL = 20μA

6

0.1

0.1

0.1

V

Low-level output voltage

TTL loads

IOL = 6mA

4.5

0.26

0.33

0.4

V

IOL = 7.8mA

6

0.26

0.33

0.4

V

II

Input leakage current

VCC or GND

6

±0.1

±1

±1

µA

ICC

Supply current

VCC or GND

6

8

80

160

µA

IOZ

Three-state leakage

current

6

±0.5

±0.5

±10

µA

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

CMOS loads

IOH = – 20μA

4.5

4.4

4.4

4.4

V

High-level output voltage

TTL loads

IOH = – 6mA

4.5

3.98

3.84

3.7

V

VOL

Low-level output voltage

CMOS loads

IOL = 20μA

4.5

0.1

0.1

0.1

V

Low-level output voltage

TTL loads

IOL = 6mA

4.5

0.26

0.33

0.4

V

II

Input leakage current

VCC and GND

5.5

±0.1

±1

±1

µA

ICC

Supply Current

VCC and GND

5.5

8

80

160

µA

IOZ

Three-state leakage

current

6

±0.5

±5.0

±10

µA

∆ICC (2) (3)

Additional supply current

per input pin

S0, S1, S2

4.5 to

5.5

55

198

247.5

269.5

µA

I0 - I7

4.5 to

5.5

50

180

225

245

µA

OE

4.5 to

5.5

265

954

1192.5

1298.5

µA

(1)

VI = VIH or VIL, unless otherwise noted.

(2)

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

(3)

Inputs held at VCC – 2.1.

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SCHS169D – NOVEMBER 1998 – REVISED MARCH 2022

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