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 = – 20 μA

2

1.9

1.9

1.9

V

IOH = – 20 μA

4.5

4.4

4.4

4.4

V

IOH = – 20 μA

6

5.9

5.9

5.9

V

High-level output voltage

TTL loads

IOH = – 4 mA

4.5

3.98

3.84

3.7

V

IOH = – 5.2 mA

6

5.48

5.48

5.2

V

VOL

Low-level output voltage

CMOS loads

IOL = 20 μA

2

0.1

0.1

0.1

V

IOL = 20 μA

4.5

0.1

0.1

0.1

V

IOL = 20 μA

6

0.1

0.1

0.1

V

Low-level output voltage

TTL

IOL = 4 mA

4.5

0.26

0.33

0.4

V

IOL = 5.2 mA

6

0.26

0.33

0.4

V

II

Input leakage current

VI = VCC or GND

6

±0.1

±1

±1

µA

ICC

Quiescent device current

VI = VCC or GND

6

8

80

160

µA

IOZ

Three-state leakage current

VO = VCC or GND

6

±0.5

±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 = – 20 μA

4.5

4.4

4.4

4.4

V

High-level output voltage

TTL

IOH = – 4 mA

4.5

3.98

3.84

3.7

V

VOL

Low-level output voltage

CMOS

IOL = 20 μA

4.5

0.1

0.1

0.1

V

Low-level output voltage

TTL

IOH = 4 mA

4.5

0.26

0.33

0.4

V

II

Input leakage current

VI = VCC and

GND

5.5

±0.1

±1

±1

µA

ICC

Quiescent device current

VI = VCC and

GND

5.5

8

80

160

µA

IOZ

Three-state leakage current

VO = VCC or GND

6

±0.5

±5

±10

µA

∆ICC (1)

Additional quiescent device current

per input pin

An or Bn input

held at VCC – 2.1

V

4.5 to

5.5

100

144

180

196

µA

OE input held at

VCC – 2.1 V

4.5 to

5.5

100

540

675

735

µA

DIR input held at

VCC – 2.1 V

4.5 to

5.5

100

324

405

441

µA

(1)

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

www.ti.com

CD54HC245, CD74HC245, CD54HCT245, CD74HCT245

SCHS119B – NOVEMBER 1998 – REVISED JULY 2022

Copyright © 2022 Texas Instruments Incorporated

Submit Document Feedback

5

Product Folder Links: CD54HC245 CD74HC245 CD54HCT245 CD74HCT245