6.4 Thermal Information

THERMAL METRIC(1)

SN74H02

SN54H02

UNIT

D

(SOIC)

DB

(SSOP)

N

(PDIP)

NS

(SO)

PW

(TSSO

P)

J

(CDIP)

W

(CFP)

FK

(LCCC)

14

PINS

14

PINS

14

PINS

14

PINS

14

PINS

14

PINS

14

PINS

14

PINS

RθJA

Junction-to-ambient thermal

resistance

94

105.4

54.9

88.8

119.6

N/A

N/A

N/A

°C/W

RθJC(top)

Junction-to-case (top) thermal

resistance

53.2

57.3

42.5

46.5

48.4

53.8

89.6

61.1

°C/W

RθJB

Junction-to-board thermal

resistance

48.7

52.7

34.7

47.6

61.3

73.1

164.1

59.8

°C/W

ΨJT

Junction-to-top characterization

parameter

15.6

22.6

27.9

16.8

5.6

N/A

N/A

N/A

°C/W

ΨJB

Junction-to-board characterization

parameter

48.4

52.2

34.6

47.2

60.7

N/A

N/A

N/A

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal

resistance

N/A

N/A

N/A

N/A

N/A

26.7

15.5

11.7

°C/W

(1)

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

report.

6.5 Electrical Characteristics - Commercial (74xx)

over operating free-air temperature range; typical values measured at TA = 25°C (unless otherwise noted).

PARAMETER

TEST CONDITIONS

VCC

Operating free-air temperature (TA)

UNIT

25°C

-40°C to 85°C

MIN

TYP

MAX

MIN

TYP

MAX

VOH

High-level

output voltage

VI = VIH

or VIL

IOH = -20 µA

2 V

1.9

1.998

1.9

V

4.5 V

4.4

4.499

4.4

6 V

5.9

5.999

5.9

IOH = -4 mA

4.5 V

3.98

4.3

3.84

IOH = -5.2 mA

6 V

5.48

5.8

5.34

VOL

Low-level output

voltage

VI = VIH

or VIL

IOL = 20 µA

2 V

0.002

0.1

0.1

V

4.5 V

0.001

0.1

0.1

IOL = 20 µA

6 V

0.001

0.1

0.1

IOL = 4 mA

4.5 V

0.17

0.26

0.33

IOL = 5.2 mA

6 V

0.15

0.26

0.33

II

Input leakage

current

VI = VCC or 0

6 V

±0.1

±100

±1000

nA

ICC

Supply current

VI = VCC

or 0

VI = VCC or 0

6 V

2

20

µA

Ci

Input

capacitance

2 V to 6 V

3

10

10

pF

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SN74HC02, SN54HC02

SCLS076G – DECEMBER 1982 – REVISED DECEMBER 2020

Copyright © 2020 Texas Instruments Incorporated

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