54AC521 datasheet(3/10 Pages) NSC

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Absolute Maximum Ratings (Note 2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage (V

CC)

−0.5V to +7.0V

DC Input Diode Current (I

IK)

I = −0.5V

−20 mA

I = VCC + 0.5V

+20 mA

DC Input Voltage (V

−0.5V to V

CC + 0.5V

DC Output Diode Current (I

OK)

O = −0.5V

−20 mA

O = VCC + 0.5V

+20 mA

DC Output Voltage (V

−0.5V to V

CC + 0.5V

DC Output Source

or Sink Current (I

±50 mA

DC V

CC or Ground Current

per Output Pin (I

CC or IGND)

±50 mA

Storage Temperature (T

STG)

−65˚C to +150˚C

Junction Temperature (T

CDIP

175˚C

Recommended Operating

Conditions

Supply Voltage (V

CC)

2.0V to 6.0V

ACT

4.5V to 5.5V

Input Voltage (V

0VtoV

Output Voltage (V

0VtoV

Operating Temperature (T

54AC/ACT

−55˚C to +125˚C

Minimum Input Edge Rate (

∆V/∆t)

AC Devices

IN from 30% to 70% of VCC

CC @ 3.3V, 4.5V, 5.5V

125 mV/ns

Minimum Input Edge Rate (

∆V/∆t)

ACT Devices

IN from 0.8V to 2.0V

CC @ 4.5V, 5.5V

125 mV/ns

Note 2: 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. Fairchild does not recommend

operation of FACT™ circuits outside databook specifications.

DC Electrical Characteristics for AC

Symbol

Parameter

VCC

TA = −55˚C to +125˚C

Units

Conditions

(V)

Guaranteed Limits

VIH

Minimum High Level

3.0

2.1

VOUT = 0.1V

Input Voltage

4.5

3.15

or VCC − 0.1V

5.5

3.85

VIL

Maximum Low Level

3.0

0.9

VOUT = 0.1V

Input Voltage

4.5

1.35

or VCC − 0.1V

5.5

1.65

VOH

Minimum High Level

3.0

2.9

IOUT = −50 µA

Output Voltage

4.5

4.4

5.5

5.4

VIN = V IL or VIH

3.0

2.4

IOH =−4mA

4.5

3.7

IOH = −24 mA

5.5

4.7

IOH = −24 mA (Note 3)

VOL

Maximum Low Level

3.0

0.1

IOUT = 50 µA

Output Voltage

4.5

0.1

5.5

0.1

VIN = V IL or VIH

3.0

0.4

IOL =12mA

4.5

0.5

IOL =24mA

5.5

0.5

IOL = 24 mA (Note 3)

IIN

Maximum Input

5.5

±1.0

µA

VI = V CC, GND

(Note 5)

Leakage Current

IOLD

Minimum Dynamic

Output Current (Note 4)

5.5

VOLD = 1.65V Max

IOHD

5.5

−50

VOHD = 3.85V Min

ICC

Maximum Quiescent

5.5

80.0

µA

VIN = V CC

(Note 5)

Supply Current

or GND

Note 3: All outputs loaded; thresholds on input associated with output under test.

Note 4: Maximum test duration 2.0 ms, one output loaded at a time.

Note 5: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.

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