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

2.0V to 6.0V

Input Voltage (V

0VtoV

CC

Output Voltage (V

0VtoV

CC

Operating Temperature (T

54AC

−55˚C to +125˚C

Minimum Input Edge Rate (

∆V/∆t)

’AC 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, output/input loading variables. National does not recommend

DC Characteristics for ’AC Family Devices

Symbol

Parameter

V

CC

(V)

54AC

Units

Conditions

T

Guaranteed Limits

V

IH

Minimum High Level Input

Voltage

3.0

2.1

V

4.5

3.15

V

or V

5.5

3.85

V

IL

Maximum Low Level Input

Voltage

3.0

0.9

V

4.5

1.35

V

or V

5.5

1.65

V

OH

Minimum High Level Output

Voltage

3.0

2.9

I

4.5

4.4

V

5.5

5.4

(Note 2) V

or V

IH

3.0

2.4

−12 mA

4.5

3.7

V

I

5.5

4.7

−24 mA

V

OL

Maximum Low Level Output

Voltage

3.0

0.1

I

4.5

0.1

V

5.5

0.1

(Note 2) V

or V

IH

3.0

0.50

12 mA

4.5

0.50

V

I

5.5

0.50

24 mA

I

IN

Maximum Input

5.5

µA

V

Leakage Current

I

OLD

(Note 3) Minimum Dynamic

5.5

50

mA

V

I

OHD

Output Current

5.5

−50

mA

V

I

CC

Maximum Quiescent

5.5

80.0

µA

V

Supply Current

or GND

5

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