5.3 Recommended Operating Conditions

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

SN54LVC541A

SN74LVC541A

UNIT

MIN

MAX

MIN

MAX

VCC

Supply voltage

Operating

2

3.6

1.65

3.6

V

Data retention only

1.5

1.5

VIH

High-level input voltage

VCC = 1.65V to 1.95V

0.65 × VCC

V

VCC = 2.3V to 2.7V

1.7

VCC = 2.7V to 3.6V

2

2

VIL

Low-level input voltage

VCC = 1.65V to 1.95V

0.35 × VCC

V

VCC = 2.3V to 2.7V

0.7

VCC = 2.7V to 3.6V

0.8

0.8

VI

Input voltage

0

5.5

0

5.5

V

VO

Output voltage

High or low state

0

VCC

0

VCC

V

3-state

0

5.5

0

5.5

IOH

High-level output current

VCC = 1.65V

–4

mA

VCC = 2.3V

–8

VCC = 2.7V

–12

–12

VCC = 3V

–24

–24

IOL

Low-level output current

VCC = 1.65V

4

mA

VCC = 2.3V

8

VCC = 2.7V

12

12

VCC = 3V

24

24

TA

Operating free-air temperature

–55

125

–40

125

°C

(1)

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

Implications of Slow or Floating CMOS Inputs.

5.4 Thermal Information

PACKAGE

PINS

THERMAL METRIC(1)

UNIT

RθJA

RθJC(top)

RθJB

ΨJT

ΨJB

RθJC(bot)

PW (TSSOP)

20

120.3

62.5

82.4

16.0

81.5

N/A

°C/W

DGS (VSSOP)

20

129.9

72.4

86.1

18.6

85.8

N/A

°C/W

RKS (VQFN)

20

87.2

93.4

59.8

24.9

59.6

44.3

°C/W

DB (SSOP)

20

121.7

86.8

87.8

44.7

87

N/A

°C/W

DW (SOIC)

20

114.8

84.1

88.8

55.8

87.8

N/A

°C/W

NS (SOP)

20

116.3

82.4

86.2

43.9

85.5

N/A

°C/W

DGV (TVSOP)

20

128.7

43.8

70.4

3.2

69.7

N/A

°C/W

RGY (VQFN)

20

82.84

88.73

56.81

32.37

56.62

42.09

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

note.

SN54LVC541A, SN74LVC541A

SCAS298O – JANUARY 1993 – REVISED JUNE 2026

www.ti.com

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