THERMAL METRIC(1)

CD74HCT02

UNIT

N (PDIP)

D (SOIC)

14 PINS

14 PINS

RθJC(top)

Junction-to-case (top) thermal resistance

51.3

56.3

°C/W

RθJB

Junction-to-board thermal resistance

43.3

55.5

°C/W

ΨJT

Junction-to-top characterization parameter

31.0

18.3

°C/W

ΨJB

Junction-to-board characterization parameter

43.0

55.1

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

N/A

N/A

°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

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

–55°C to 125°C

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

VOH

High-level

output voltage

VI = VIH or

VIL

IOH = –20

µA

4.5 V

4.4

4.4

4.4

V

IOH = –4

mA

4.5 V

3.98

3.84

3.7

VOL

Low-level output

voltage

VI = VIH or

VIL

IOL = 20

µA

4.5 V

0.1

0.1

0.1

V

IOL = 4 mA 4.5 V

0.26

0.33

0.4

II

Input leakage

current

VI = VCC

and GND

IO = 0

5.5 V

±0.1

±1

±1

µA

ICC

Supply current

VI = VCC or

GND

IO = 0

5.5 V

2

20

40

µA

ΔICC

(1)

Additional

Quiescent

Device Current

Per Input Pin

VI = VCC –

2.1

4.5 V

to 5.5

V

100

360

450

490

µA

Ci

Input

capacitance

10

10

10

pF

(1)

For dual-supply systems theoretical worst case (VI = 2.4 V, VCC = 5.5 V) specification is 1.8 mA.

6.6 Switching Characteristics

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

PARAMETER

FROM

TO

TEST

CONDITIO

NS

VCC

Operating free-air temperature (TA)

UNIT

25°C

–40°C to 85°C

–55°C to 125°C

MIN TYP MAX

MIN TYP MAX

MIN TYP MAX

tpd

Propagation delay

A or B

Y

CL = 50 pF 4.5 V

21

26

32

ns

A or B

Y

CL = 15 pF 5 V

8

tt

Transition-time

Y

CL = 50 pF 4.5 V

15

19

22

ns

6.7 Operating Characteristics

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

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX UNIT

Cpd

Power dissipation capacitance

per gate

No load

4.5 V to 5.5

V

26

pF

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CD54HCT02, CD74HCT02

SCHS400 – DECEMBER 2020

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