HI-8444PS HOLTIC [Holt Integrated Circuits], HI-8444PS Datasheet

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HI-8444PS

Manufacturer Part Number
HI-8444PS
Description
Quad / Octal ARINC 429 Line Receivers
Manufacturer
HOLTIC [Holt Integrated Circuits]
Datasheet

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Part Number
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Quantity
Price
Part Number:
HI-8444PSIF
Manufacturer:
HOLT
Quantity:
20 000
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 10 Kohm series
resistor. The “-10” devices meet the lightning protection
requirements of DO-160C/D level 3, waveforms 3, 4, and
5A.
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.
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FUNCTION TABLE
(DS8444 Rev. C)
FEATURES
January 2003
ARINC INPUTS TESTA TESTB OUTA OUTB
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-
160C/D level 3 (-10 configuration only)
Military processing options available
-2.5 to +2.5 V
INA - INB
> +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
HOLT INTEGRATED CIRCUITS
0
1
0
1
0
0
Quad / Octal ARINC 429 Line Receivers
www.holtic.com
HI-8444, HI-8445, HI-8448
TESTB(X) - 6
TESTB(Y) - 8
TESTA(X) - 5
TESTA(Y) - 7
TESTB (8444 only)
TESTA (8444 only)
PIN CONFIGURATIONS
IN2 BX - 1
IN2 BY - 3
IN3 AX - 9
IN3 BX - 10
IN2 AY - 2
IN3 AY - 11
N/C - 4
44-Pin Plastic Quad Flat Pack (PQFP)
20 Pin Plastic TSSOP package
IN1 B
IN2 B
IN3 B
IN4 B
IN1 A
IN2 A
IN3 A
IN4 A
10
1
2
3
4
5
6
7
8
9
HI-8448PQ-10
HI-8444PS-10
HI-8445PS-10
HI-8448PQ
HI-8444PS
HI-8445PS
Receiver
Receiver
Octal
Quad
&
20
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
33 - OUT2 BX
32 - OUT2 AY
31 - OUT2 BY
30 - N/C
29 - VDD
28 - N/C
27 - VSS
26 - N/C
25 - OUT3 AX
24 - OUT3 BX
23 - OUT3 AY
01/03

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HI-8444PS Summary of contents

Page 1

... Plastic Quad Flat Pack (PQFP HOLT INTEGRATED CIRCUITS www.holtic.com IN1 A OUT1 IN1 B OUT1 IN2 A OUT2 A HI-8444PS 3 18 HI-8444PS-10 IN2 B OUT2 & HI-8445PS VDD 16 5 HI-8445PS-10 VSS 6 15 Quad IN3 A OUT3 Receiver IN3 B OUT3 B ...

Page 2

... OUT4 B HI-8445 DESCRIPTION Receiver 1 positive input Receiver 1 negative input Receiver 2 positive input Receiver 2 negative input Test input. (Not available on HI-8445) Test input. (Not available on HI-8445) Receiver 3 positive input Receiver 3 negative input Receiver 4 positive input Receiver 4 negative input Receiver 4 "ZERO" output Receiver 4 "ONE" output Receiver 3 " ...

Page 3

... N/C 40 IN1 AX ARINC input 41 IN1 BX ARINC input 42 IN1 AY ARINC input 43 IN1 BY ARINC input 44 IN2 AX ARINC input HI-8444, HI-8445, HI-8448 RECEIVER SET DESCRIPTION X Receiver 2 negative input Y Receiver 2 positive input Y Receiver 2 negative input Not connected X Test input X Test input Y Test input Y Test input ...

Page 4

... TEST INPUTS Logic input voltage Logic input current OUTPUTS Logic output voltage Logic output voltage (CMOS) SUPPLY CURRENT V current DD SWITCHING CHARACTERISTICS ( °C) A Propagation delay IN to OUT Output rise time Output fall time Propagation delay TEST to OUT HI-8444, HI-8445, HI-8448 RECOMMENDED OPERATING CONDITIONS Supply Voltage -0 ...

Page 5

... ORDERING INFORMATION PACKAGE PART DESCRIPTION NUMBER HI-8444PSI 20 PIN PLASTIC TSSOP HI-8444PSI-10 20 PIN PLASTIC TSSOP HI-8444PST 20 PIN PLASTIC TSSOP HI-8444PST-10 20 PIN PLASTIC TSSOP HI-8445PSI 20 PIN PLASTIC TSSOP HI-8445PSI-10 20 PIN PLASTIC TSSOP HI-8445PST 20 PIN PLASTIC TSSOP HI-8445PST-10 20 PIN PLASTIC TSSOP HI-8448PQI 44 PIN PLASTIC QUAD FLATPACK (PQFP) ...

Page 6

... HI-8444, HI-8445, HI-8448 PACKAGE DIMENSIONS 20-PIN PLASTIC TSSOP .256 ± .004 (6.50 ± .10) .252 BSC .039 (6.4) (1.0) .039 (1.0) .039 (1.0) .026 TYP (.65) 44-PIN PLASTIC QUAD FLAT PACK (PQFP) .547 ± .010 (13.90 ± .25) SQ. See Detail A .097 MAX. (2.45) .0057 ± .0022 (.145 ± .055) .173 ± .039 (4.40 ± ...

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