5.3 Recommended Operating Conditions

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

TA = 25°C

-55°C to 125°C

-40°C to 85°C

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

VCC

Supply voltage

1.5

5.5

1.5

5.5

1.5

5.5

V

VIH

High-level input voltage

VCC = 1.5V

1.2

1.2

1.2

V

VCC = 3V

2.1

2.1

2.1

VCC = 5.5V

3.85

3.85

3.85

V

VIL

Low-level input voltage

VCC = 1.5V

0.3

0.3

0.3

V

VCC = 3V

0.9

0.9

0.9

VCC = 5.5V

1.65

1.65

1.65

VI

Input voltage

0

VCC

0

VCC

0

VCC

V

VO

Output voltage

0

VCC

0

VCC

0

VCC

V

IOH

High-level output current VCC = 4.5V to 5.5V

-24

-24

-24

mA

IOL

Low-level output current

VCC = 4.5V to 5.5V

24

24

24

mA

Δt/Δv

Input transition rise or fall

rate

VCC = 1.5V to 3V

50

50

50

ns/V

VCC = 3.6V to 5.5V

20

20

20

5.4 Thermal Information

PACKAGE

PINS

THERMAL METRIC(1)

UNIT

RθJA

RθJC(top)

RθJB

ΨJT

ΨJB

RθJC(bot)

E (PDIP)

16

67

-

-

-

-

-

°C/W

M (SOIC)

16

73

-

-

-

-

-

°C/W

BQB (WQFN)

16

98.6

94.6

67.7

15.6

67.5

45.9

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC package thermal metrics application

report.

CD54AC157, CD74AC157

SCHS335A – MARCH 2003 – REVISED JUNE 2025

www.ti.com

6

Submit Document Feedback

Copyright © 2025 Texas Instruments Incorporated

Product Folder Links: CD54AC157 CD74AC157