5 Specifications

5.1 Absolute Maximum Ratings

over operating free-air temperature (unless otherwise noted)(1)

MIN

MAX

UNIT

VCC

Supply voltage

– 0.5

7

V

IIK

Input diode current

VI < – 0.5 V or VI > VCC + 0.5 V (1)

±20

mA

IOK

Output diode current

VO < – 0.5 V or VO > VCC + 0.5 V (1)

±20

mA

IO

Output source or sink current per output pin

VO = 0 to VCC

±25

mA

Continuous current through VCC or GND

±50

mA

TJ

Junction temperature

150

°C

Tstg

Storage temperature range

– 65

150

°C

Lead temperature (During Soldering)

At distance 1/16 ± 1/32 in (1.59 ± 0.79

mm) from case for 10 s maximum

265

°C

Unit inserted into a PC board (minimum

thickness 1/16 in, 1.59 mm) (with solder

contacting lead tips only)

300

°C

(1)

Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating

conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability

5.2 Recommended Operating Conditions for 'HC4511(1)

TA = 25°C

TA = – 55°C to

125°C

TA = – 40°C to

85°C

UNIT

MIN

NOM

MAX

MIN

NOM

MAX

VCC

Supply voltage

2

6

2

6

2

6

V

VIH

High-level input voltage

VCC = 2 V

1.5

1.5

1.5

V

VCC = 4.5 V

3.15

3.15

3.15

VCC = 6 V

4.2

4.2

4.2

VIL

Low-level input voltage

VCC = 2 V

0.5

0.5

0.5

V

VCC = 4.5 V

1.35

1.35

1.35

VCC = 6 V

1.8

1.8

1.8

VI

Input voltage

0

VCC

0

VCC

0

VCC

V

VO

Output voltage

0

VCC

0

VCC

0

VCC

V

tt

Input transition rise/fall time

VCC = 2 V

1000

1000

1000

ns

VCC = 4.5 V

500

500

500

VCC = 6 V

400

400

400

(1)

All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report

Implications of Slow or Floating SMOS Inputs, literature number SCBA004.

5.3 Recommended Operating Conditions for CD74HCT4511(1)

TA = – 55°C to 125°C TA = – 55°C to 125°C TA = – 40°C to 85°C

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

VCC

Supply Voltage

4.5

5.5

4.5

5.5

4.5

5.5 V

VIH

High-level input voltage

2

2

2

V

VIL

Low-level input voltage

0.8

0.8

0.8

VI

Input voltage

VCC

VCC

VCC V

VO

Output voltage

VCC

VCC

VCC V

CD54HC4511, CD74HC4511, CD74HCT4511

SCHS279E – DECEMBER 1998 – REVISED AUGUST 2022

www.ti.com

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