THERMAL METRIC(1)

SN74AC00

D

(SOIC)

DB

(SSOP)

N

(PDIP)

NS

(SOP)

PW

(TSSOP)

BQA

(WQFN)

UNIT

14 PINS

14 PINS

14 PINS

14 PINS

14 PINS

14 PINS

RθJC(top)

Junction-to-case (top) thermal resistance

—

—

—

—

—

99.4

°C/W

RθJB

Junction-to-board thermal resistance

—

—

—

—

—

61.0

°C/W

ΨJT

Junction-to-top characterization parameter

—

—

—

—

—

14.5

°C/W

ΨJB

Junction-to-board characterization parameter

—

—

—

—

—

60.8

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

—

—

—

—

—

37.0

°C/W

(1)

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

note.

(2)

The package thermal impedance is calculated in accordance with JESD 51-7.

4.4 Electrical Characteristics

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

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

SN54AC00

SNx4AC00

UNIT

MIN

TYP

MAX

MIN

MAX

MIN

MAX

VOH

IOH = −50 µA

3 V

2.9

2.9

2.9

V

4.5 V

4.4

4.4

4.4

5.5 V

5.4

5.4

5.4

IOH = −12 mA

3 V

2.56

2.4

2.46

IOH = −24 mA

4.5 V

3.86

3.7

3.76

5.5 V

4.86

4.7

4.76

IOH = −50 mA(1)

5.5 V

3.85

IOH = −75 mA(1)

5.5 V

3.85

VOL

IOL = 50 µA

3 V

0.002

0.1

0.1

0.1

V

4.5 V

0.001

0.1

0.1

0.1

5.5 V

0.001

0.1

0.1

0.1

IOL =12 mA

3 V

0.36

0.5

0.44

IOL = 24 mA

4.5 V

0.36

0.5

0.44

5.5 V

0.36

0.5

0.44

IOL = 50 mA(1)

5.5 V

1.65

IOL = 75 mA(1)

5.5 V

1.65

II

VI = VCC or GND

5.5 V

±0.1

±1

±1

µA

ICC

VI = VCC or GND, IO = 0

5.5 V

2

40

20

µA

Ci

VI = VCC or GND

5 V

2.6

pF

(1)

Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms.

4.5 Switching Characteristics: VCC = 3.3 V ± 0.3 V

over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Load Circuit and

Voltage Waveforms)

PARAMETER

FROM (INPUT)

TO (OUTPUT)

TA = 25°C

SN54AC00

SNx4AC00

UNIT

MIN

TYP

MAX

MIN

MAX

MIN

MAX

tPLH

A or B

Y

2

7

9.5

1

11

2

10

ns

tPHL

1.5

5.5

8

1

9

1

8.5

SN54AC00, SN74AC00

SCAS524G – AUGUST 1995 – REVISED APRIL 2025

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