SN74LV541A

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SCLS410J – APRIL 1998 – REVISED DECEMBER 2014

7.3 Recommended Operating Conditions

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

(1)

SN74LV541A

UNIT

MIN

MAX

Supply voltage

2

5.5

V

1.5

High-level input voltage

V

0.5

Low-level input voltage

V

Input voltage

0

5.5

V

High or low state

0

Output voltage

V

3-state

0

5.5

–50

µA

–2

High-level output current

–8

mA

–16

50

µA

2

Low-level output current

8

mA

16

200

Δt/Δv

Input transition rise or fall rate

100

ns/V

20

Operating free-air temperature

–40

125

°C

(1)

Implications of Slow or Floating CMOS Inputs (SCBA004).

7.4 Thermal Information

SN74LV541A

DB

DGV

DW

NS

PW

RGY

UNIT

20 PINS

Junction-to-ambient thermal resistance

96.0

116.1

79.8

77.1

102.8

35.1

Junction-to-case (top) thermal resistance

57.7

31.3

45.8

43.6

36.8

43.3

Junction-to-board thermal resistance

51.2

57.6

47.4

44.6

53.8

12.9

Junction-to-top characterization

19.4

1.0

18.5

17.2

2.5

0.9

°C/W

parameter

Junction-to-board characterization

50.8

56.9

47.0

44.2

53.3

12.9

parameter

Junction-to-case (bottom) thermal

—

—

—

—

—

7.9

resistance

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report (SPRA953).

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