4 Specifications

4.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)

MIN

MAX

UNIT

VCC

Supply voltage range

−0.5

7

V

VI (2)

Input voltage range

−0.5

VCC + 0.5

V

VO (2)

Output voltage range

−0.5

VCC + 0.5

V

IIK

Input clamp current

(VI < 0 or VI > VCC)

±20

mA

IOK

Output clamp current

(VO < 0 or VO > VCC)

±20

mA

IO

Continuous output current

(VO = 0 to VCC)

±50

mA

IO

Continuous current through VCC or GND

±200

mA

Tstg

Storage temperature range

−65

150

°C

(1)

Operation outside the Absolute Maximum Ratings may cause permanent device damage. Absolute Maximum Ratings do not imply

functional operation of the device at these or any other conditions beyond those listed under Recommended Operating Conditions.

If used outside the Recommended Operating Conditions but within the Absolute Maximum Ratings, the device may not be fully

functional, and this may affect device reliability, functionality, performance, and shorten the device lifetime.

(2)

The input and output voltage ratings may be exceeded if the input and output current ratings are observed.

4.2 Recommended Operating Conditions

over recommended operating free-air temperature range (unless otherwise noted)(1)

SN54AC32

SN74AC32

UNIT

MIN

MAX

MIN

MAX

VCC

Supply voltage

2

6

2

6

V

VIH

High-level input voltage

VCC = 3 V

2.1

2.1

V

VCC = 4.5 V

3.15

3.15

VCC = 5.5 V

3.85

3.85

VIL

Low-level input voltage

VCC = 3 V

0.9

0.9

V

VCC = 4.5 V

1.35

1.35

VCC = 5.5 V

1.65

1.65

VI

Input voltage

0

VCC

0

VCC

V

VO

Output voltage

0

VCC

0

VCC

V

IOH

High-level output current

VCC = 3 V

−12

−12

mA

VCC = 4.5 V

−24

−24

VCC = 5.5 V

−24

−24

IOL

Low-level output current

VCC = 3 V

12

12

mA

VCC = 4.5 V

24

24

VCC = 5.5 V

24

24

∆t/∆v

Input transition rise or fall rate

8

8

ns/V

TA

Operating free-air temperature

−55

125

−55

125

°C

(1)

All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the Implications of Slow or

Floating CMOS Inputs application note.

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SN54AC32, SN74AC32

SCAS528H – AUGUST 1995 – REVISED APRIL 2025

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