NOTE: Stresses above absolute maximum ratings or

outside recommended operating conditions may cause

permanent damage to the device.

These are stress

ratings only. Operation at the limits is not recommended.

RECOMMENDED OPERATING CONDITIONS

ABSOLUTE MAXIMUM RATINGS

Supply Voltage

Operating Temperature Range

Industrial Screening .........

-40°C to +85°C

Hi-Temp Screening ........

-55°C to +125°C

VDD .................................. 3.0 V to 5.5 V

ELECTRICAL CHARACTERISTICS

VDD = 5.0V

, V

= 0V, T = Operating Temperature Range (unless or otherwise specified).

SS

A

or

± 5%

3.3V ± 5%

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX

UNITS

ARINC INPUTS

Input voltage

ONE or ZERO

V

Differential input voltage

6.5

10

13

V

NULL

V

Differential input voltage

2.5

V

Common mode

V

With respect to GND

5.0

V

Input resistance

INA to INB

R

Supplies floating

30

75

K

Input to V

or V

R

Supplies floating

19

40

K

Input hysteresis

V

0.5

1.0

V

Input capacitance

ARINC differential

C

5

10

pF

ARINC single ended to V

C

10

pF

TEST INPUTS

Logic input voltage

High

V

2.0

V

Low

V

0.8

V

Logic input current

Sink

I

V =2.0V

200

Source

I

V =0.8V

-1.0

OUTPUTS

Logic output voltage

High

V

I

=-5mA, V

=5.0V

2.4

V

I

=-4mA, V

=3.3V

2.4

V

Low

V

I

=5mA, V

=5.0V

0.4

V

I

=4mA, V

=3.3V

0.4

V

Logic output voltage (CMOS)

High

V

I

=-100

Low

V

I

=100

SUPPLY CURRENT

V

current

I

HI-8444, HI-8445

5.5

10

mA

HI-8448

11

20.0

mA

SWITCHING CHARACTERISTICS (

Propagation delay

IN to OUT

t

C =50 pF

600

ns

t

600

ns

Output rise time

t

10% to 90%

50

80

ns

Output fall time

t

90% to 10%

50

80

ns

Propagation delay

TEST to OUT

t

50

ns

t50

ns

DIN

NIN

COM

DIFF

SS

DD

SUP

HYS

AD

SS

AS

IH

IL

IH

IH

IL

IL

OH

OH

DD

OH

DD

OL

OL

DD

OL

DD

OHC

OH

OLC

OL

DD

DD

LH

L

HL

R

F

TOH

TOL

W

W

µA

µA

µA

V

-0.2

V

µA

V

+0.2

V

T = 25 °C)

C =50 pF

DD

SS

A

L

±

HI-8444, HI-8445, HI-8448

Supply voltage (

Logic input voltage range

Solder Temperature (reflow)

260°C

Storage Temperature

-65°C to +150°C

VDD)

-0.3 V to +7 V

-0.3 V to +5.5 V

ARINC input voltage

-120 V to + 120 V

HOLT INTEGRATED CIRCUITS

4