74LVC540A

Document number: DS35890 Rev. 1 - 2

5 of 10

www.diodes.com

July 2014

© Diodes Incorporated

74LVC540A

Operating Characteristics

Symbol

Parameter

Test Conditions

Typ

Unit

Power dissipation

capacitance per gate

F= 10 MHz

Outputs Enabled

1.8V ± 0.15V

9.9

pF

2.5V ± 0.3V

10.2

3.3V ± 0.3V

10.6

Package Characteristics

Symbol

Parameter

Package

Test Conditions

Min

Typ

Max

Unit

Thermal Resistance

Junction-to-Ambient

TSSOP-20

(Note 9)

—

74

—

°C/W

Thermal Resistance

Junction-to-Case

TSSOP-20

(Note 9)

—

15

—

°C/W

Thermal Resistance

Junction-to-Ambient

V-QFN4525-20

(Note 9)

—

67

—

°C/W

Thermal Resistance

Junction-to-Case

V-QFN4525-20

(Note 9)

—

20

—

°C/W

Note:

9. Test conditions for TSSOP-20 and V-QFN4525-20: Devices mounted on 4 layer FR-4 substrate PC board, 2oz copper, with minimum recommended

pad layout per JESD 51-7.