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)

’AC

2.0V to 6.0V

’ACT

4.5V to 5.0V

Input Voltage (V

0VtoV

CC

Output Voltage (V

0VtoV

CC

Operating Temperature (T

54AC/ACT

−55˚C to +125˚C

Minimum Input Edge Rate (

∆V/∆t)

’AC Devices

V

V

125 mV/ns

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. Obviously 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

DC Electrical Characteristics

For ’AC Family Devices

54AC

Symbol

Parameter

V

CC

T

Units

Conditions

(V)

−55˚C to +125˚C

Guaranteed Limits

V

IH

Minimum High Level

3.0

2.1

V

Input Voltage

4.5

3.15

V

or V

5.5

3.85

V

IL

Maximum Low Level

3.0

0.9

V

Input Voltage

4.5

1.35

V

or V

5.5

1.65

V

OH

Minimum High Level

3.0

2.9

I

Output Voltage

4.5

4.4

V

5.5

5.4

(Note 2)

V

3.0

2.4

V

I

4.5

3.7

I

5.5

4.7

I

V

OL

Maximum Low Level

3.0

0.1

I

Output Voltage

4.5

0.1

V

5.5

0.1

(Note 2)

V

3.0

0.50

I

4.5

0.50

V

I

5.5

0.50

I

I

IN

Maximum Input

5.5

µA

V

Leakage Current

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

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