4.4 Thermal Information

THERMAL METRIC(1)

CDx4AC/ACT373

UNIT

N (PDIP)

DW (SOIC)

20 PINS

20 PINS

RθJA

Junction-to-ambient thermal resistance

50

101.2

°C/W

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report (SPRA953).

4.5 Electrical Characteristics: AC Series

CHARACTERISTICS

TEST CONDITIONS

VCC (V)

AMBIENT TEMPERATURE (TA) - °C

UNIT

+25

-40 to+85

-55 to +125

VI (V)

IO (mA)

MIN

MAX

MIN

MAX

MIN

MAX

VIH

High-Level Input Voltage

1.5

1.2

—

1.2

—

1.2

—

V

3

2.1

—

2.1

—

2.1

—

5.5

3.85

—

3.85

—

3.85

—

VIL

Low-Level Input Voltage

1.5

—

0.3

—

0.3

—

0.3

V

3

—

0.9

—

0.9

—

0.9

5.5

—

1.65

—

1.65

—

1.65

VOH

High-Level Output Voltage

VIH or VIL

-0.05

1.5

1.4

—

1.4

—

1.4

—

V

-0.05

3

2.9

—

2.9

—

2.9

—

-0.05

4.5

4.4

—

4.4

—

4.4

—

-4

3

2.58

—

2.48

—

2.4

—

-24

4.5

3.94

—

3.8

—

3.7

—

(1), (2)

-75

5.5

—

—

3.85

—

—

—

-50

5.5

—

—

—

—

3.85

—

VlH or VlL

Low-Level Output Voltage

VlH or VlL

0.05

1.5

—

0.1

—

0.1

—

0.1

V

0.05

3

—

0.1

—

0.1

—

0.1

0.05

4.5

—

0.1

—

0.1

—

0.1

12

3

—

0.36

—

0.44

—

0.5

24

4.5

—

0.36

—

0.44

—

0.5

(1), (2)

75

5.5

—

—

—

1.65

—

—

50

5.5

—

—

—

—

—

1.65

II

Input Leakage Current

VCC or GND

5.5

—

±0.1

—

±1

—

±1

μA

IOZ

3-State Leakage Current

VIH or VIL VO =

VCC or GND

5.5

—

±0.5

—

±5

—

±10

μA

ICC

Quiescent Supply Current,

MSI

VCC or GND

0

5.5

—

8

—

80

—

160

μA

(1)

Test one output at a time for a 1-second maximum duration. Measurement is made by forcing current and measuring voltage to

minimize power dissipation.

(2)

Test verifies a minimum 50-ohm transmission-line-drive capability at +85° C, 75 ohms at +125°C.

4.6 Electrical Characteristics: ACT Series

CHARACTERISTICS

TEST CONDITIONS

VCC (V)

AMBIENT TEMPERATURE (TA) - °C

UNIT

+25

-40 to+85

-55 to +125

VI (V)

IO (mA)

MIN

MAX

MIN

MAX

MIN

MAX

VIH

High-level input voltage

4.5 to

5.5

2

—

2

—

2

—

V

VIL

Low-level input voltage

4.5 to

5.5

—

0.8

—

0.8

—

0.8

V

VOH

High-level output

voltage

VIH or VIL

-0.05

4.5

4.4

—

4.4

—

4.4

—

V

-24

4.5

3.94

—

3.8

—

3.7

—

(1), (2)

-75

5.5

—

—

3.85

—

—

—

-50

5.5

—

—

—

—

3.85

—

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CD54AC373, CD74AC373, CD54ACT373, CD74ACT373

SCHS289A – DECEMBER 1998 – REVISED MAY 2024

Copyright © 2024 Texas Instruments Incorporated

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