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HI-8444_10

Description
QUAD LINE RECEIVER, PDSO20
Categorysemiconductor    Analog mixed-signal IC   
File Size75KB,9 Pages
ManufacturerHolt Integrated Circuits
Websitehttp://www.holtic.com/
Download Datasheet Parametric View All

HI-8444_10 Overview

QUAD LINE RECEIVER, PDSO20

HI-8444_10 Parametric

Parameter NameAttribute value
Number of functions4
Number of terminals20
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply voltage 15.5 V
Minimum supply voltage 13 V
Rated supply voltage 13.3 V
Processing package descriptionROHS COMPLIANT, Plastic, TSSOP-20
Lead-freeYes
EU RoHS regulationsYes
stateACTIVE
CraftsmanshipCMOS
packaging shapeRectangle
Package SizeSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6500 mm
terminal coatingMATTE Tin
Terminal locationpair
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
Interface Typeline receiver
Interface standardsARINC 429
Differential outputYes
Input propertiesDifferential SCHMITT flip-flop
Number of receiver bits4
HI-8444, HI-8445, HI-8448
May 2010
Quad / Octal
ARINC 429 Line Receivers
PIN CONFIGURATIONS
(See page 6 for additional pin configurations)
DESCRIPTION
The HI-8444 and HI-8445 are quad ARINC 429 line
receiver ICs available in a 20-pin TSSOP package. The HI-
8448 contains 8 independent ARINC 429 line receivers.
The technology is analog / digital CMOS. The device is
designed to operate from either a 5V or 3.3V supply. Each
receiver channel translates incoming ARINC 429 data bus
signals to a pair of TTL / CMOS outputs.
The optional HI-8444-10, HI-8445-10 and HI-8448-10 are
designed to be used with an external 15 Kohm series
resistor. The “-10” devices meet the lightning protection
requirements of DO-160E, level 3, waveforms 3, 4, 5A, and
5B.
The TESTA and TESTB inputs bypass the analog inputs for
testing purposes. They force the receiver outputs to the
specified ZERO, ONE or NULL state. The ARINC inputs
are ignored when the device is in the test mode.
The HI-8445 is identical to the HI-8444 except the TESTA
and TESTB pins are not available.
IN1 A
IN1 B
IN2 A
IN2 B
TESTA (8444 only)
TESTB (8444 only)
IN3 A
IN3 B
IN4 A
IN4 B
1
2
3
4
5
6
7
8
9
10
20
HI-8444PS
HI-8444PS-10
&
HI-8445PS
HI-8445PS-10
Quad
Receiver
19
18
17
16
15
14
13
12
11
OUT1 A
OUT1 B
OUT2 A
OUT2 B
VDD
VSS
OUT3 A
OUT3 B
OUT4 A
OUT4 B
20 Pin Plastic TSSOP package
FEATURES
!
!
!
!
!
Direct ARINC 429 quad or octal line receivers in small
footprint packages
3.3V or 5.0V single supply operation
Test inputs bypass analog inputs and force digital
outputs to a one, zero, or null state
ARINC inputs are internally lightning protected per DO-
160E level 3 (-10 configuration only)
Hi-Rel processing options available
IN1 AX
IN1 BX
IN1 AY
IN1 BY
IN2 AX
IN2 BX
IN2 AY
IN2 BY
TESTA (X)
TESTB (X)
TESTA (Y)
TESTB (Y)
IN3 AX
IN3 BX
IN3 AY
IN3 BY
IN4 AX
IN4 BX
IN4 AY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
38
37
36
35
34
33
32
HI-8448PS
HI-8448PS-10
Octal
Receiver
31
30
29
28
27
26
25
24
23
22
21
20
FUNCTION TABLE
ARINC INPUTS TESTA TESTB OUTA OUTB
INA - INB
-2.5 to +2.5 V
< -6.5 V
> +6.5 V
X
X
X
0
0
0
0
1
1
0
0
0
1
0
1
0
0
1
0
1
0
0
1
0
1
0
0
OUT1 AX
OUT1 BX
OUT1 AY
OUT1 BY
OUT2AX
OUT2 BX
OUT2 AY
OUT2 BY
VDD
VSS
OUT3 AX
OUT3 BX
OUT3 AY
OUT3 BY
OUT4 AX
OUT4 BX
OUT4 AY
OUT4 BY
IN4 BY
38 Pin Plastic TSSOP package
(DS8444 Rev. H)
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www.holtic.com
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