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HI-8442PSI, HI-8444, HI-8444PSI

Table of contents:
Info of HI-8442PSI
Info of HI-8444
Info of HI-8444PSI

HI-8442PSI, HI-8444, HI-8444PSI Selling Leads, Datasheet

MFG:HOLT Package Cooled:SMD D/C:N/A

HI-8442PSI, HI-8444, HI-8444PSI Datasheet download

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Part Number: HI-8442PSI

MFG: HOLT

Package Cooled: SMD

D/C: N/A

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HI-8444 General 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/CMOSoutputs.

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 TESTAand 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 andTESTB pins are not available.

HI-8444 Maximum Ratings

Supply voltage(VDD)	-0.3 V to +7 V
Logic input voltage range	-0.3 V to +5.5 V
ARINC input voltage	-30 V to + 30 V
Driver peak output current	+1.0 A
Power dissipation at 25°C	350 mW
Solder Temperature	275°C for 10 sec
Storage Temperature	-65°C to +150°C

HI-8444 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- 160C/D level 3 (-10 configuration only)
Military processing options available

HI-8444 Connection Diagram

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