If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage (V

−0.5V to +7.0V

DC Input Diode Current (I

V

−20 mA

V

+20 mA

DC Input Voltage (V

−0.5V to V

DC Output Diode Current (I

V

−20 mA

V

+20 mA

DC Output Voltage (V

−0.5V to V

DC Output Source or Sink Current

(I

DC V

Per Output Pin (I

Storage Temperature (T

−65˚C to +150˚C

Junction Temperature (T

CDIP

175˚C

Recommended Operating

Conditions

Supply Voltage (V

(Unless Otherwise Specified) (ACT)

4.5V to 5.5V

Input Voltage (V

0VtoV

CC

Output Voltage (V

0VtoV

CC

Operating Temperature (T

ACT

−55˚C to +125˚C

Minimum Input Edge Rate (

∆V/∆t)

’ACT Devices

V

V

125 mV/ns

Note 1: Absolute maximum ratings are those values beyond which damage

to the device may occur. The databook specifications should be met, without

exception, to ensure that the system design is reliable over its power supply,

temperature, and output/input loading variables. National does not recom-

DC Characteristics for ’ACT Family Devices

54ACT

Symbol

Parameter

V

CC

T

Units

Conditions

(V)

−55˚C to +125˚C

Guaranteed Limits

V

IH

Minimum High

Level Input

Voltage

4.5

2.0

V

V

5.5

2.0

or V

V

IL

Maximum Low

Level Input

Voltage

4.5

0.8

V

V

5.5

0.8

or V

V

OH

Minimum High

Level

4.5

4.4

V

I

5.5

5.4

(Note 2)

V

4.5

3.70

V

I

OH

−24 mA

5.5

4.70

−24 mA

V

OL

Maximum Low

Level Output

Voltage

4.5

0.1

V

I

5.5

0.1

(Note 2)

V

4.5

0.50

V

I

OL

24 mA

5.5

0.50

24 mA

I

IN

Maximum Input

5.5

µA

V

Leakage Current

I

OZ

Maximum

TRI-STATE

Leakage Current

5.5

µA

V

V

I

CCT

Maximum I

5.5

1.6

mA

V

I

OLD

(Note 3) Minimum

Dynamic Output

Current

5.5

50

mA

V

I

OHD

5.5

−50

mA

V

I

CC

Maximum Quiescent

5.5

80.0

µA

V

Supply Current

or GND

Note 2: All outputs loaded; thresholds on input associated with output under test.

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