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HI-8444

Holt Integrated Circuits
Part Number HI-8444
Manufacturer Holt Integrated Circuits
Description (HI-8444 - HI-8448) Quad / Octal ARINC 429 Line Receivers
Published Aug 26, 2006
Detailed Description www.DataSheet4U.com HI-8444, HI-8445, HI-8448 Quad / Octal ARINC 429 Line Receivers January 2003 DESCRIPTION The HI-84...
Datasheet PDF File HI-8444 PDF File

HI-8444
HI-8444

Overview
www.
DataSheet4U.
com HI-8444, HI-8445, HI-8448 Quad / Octal ARINC 429 Line Receivers January 2003 DESCRIPTION The HI-8444 and HI-8445 are quad ARINC 429 line receiver ICs available in a 20-pin TSSOP package.
The HI8448 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.
PIN CONFIGURATIONS 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 19 OUT1 A OUT1 B OUT2 A OUT2 B VDD VSS OUT3 A OUT3 B OUT4 A OUT4 B HI-8444PS HI-8444PS-10 & HI-8445PS HI-8445PS-10 Quad Receiver 18 17 16 15 14 13 12 11 20 Pin Plastic TSSOP package DataShee FEATURES ! ! ! ! ! DataSheet4U.
com 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 DO160C/D level 3 (-10 configuration only) Military processing options available IN2 BX - 1 IN2 AY - 2 IN2 BY - 3 N/C - 4 TESTA(X) - 5 TESTB(X) - 6 TESTA(Y) - 7 TESTB(Y) - 8 IN3 AX - 9 IN3 BX - 10 IN3 AY - 11 44 43 42 41 40 39 38 37 36 35 34 - IN2 AX - IN1 BY - IN1 AY - IN1 BX - IN1 AX - N/C - OUT1 AX - OUT1 BX - OUT1 AY - OUT1 BY - OUT2 AX Direct ARINC 429 quad or octal line receivers in small footprint packages HI-8448PQ HI-8448PQ-10 Octal Rec...


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