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HI-8588PSI Datasheet(PDF) 1 Page - Holt Integrated Circuits |
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HI-8588PSI Datasheet(HTML) 1 Page - Holt Integrated Circuits |
1 / 6 page HI-8588 ARINC 429 LINE RECEIVER DESCRIPTION ! ! ! ! ! Direct ARINC 429 line receiver interface in a small outline package Receiver input hystersis at least 2 volts Test inputs that bypass analog input and can power down and tri-state outputs Plastic and ceramic package options - surface mount and DIP Mil processing available FEATURES PIN CONFIGURATION SUPPLY VOLTAGES FUNCTION TABLE RECEIVER -1.25V to 1.25V -1.25V to 1.25V 0 0 0 0 -3.25V to -6.5V 3.25V to 6.5V 0 0 0 1 3.25V to 6.5V -3.25V to -6.5V 0 0 1 0 XX 0 1 0 1 XX 1 0 1 0 X X 1 1 HI-Z HI-Z RINA RINB TESTA TESTB ROUTA ROUTB vcc =5.0V±5% PIN SYMBOL FUNCTION DESCRIPTION 1 VCC SUPPLY 5 VOLT SUPPLY 2 TESTA LOGIC INPUT CMOS 3 RINB ARINC INPUT RECEIVER B INPUT 4 RINA ARINC INPUT RECEIVER A INPUT 5 GND POWER GROUND 6 ROUTA LOGIC OUTPUT RECEIVER CMOS OUTPUT A 7 ROUTB LOGIC OUTPUT RECEIVER CMOS OUTPUT B 8 TESTB LOGIC INPUT CMOS PIN DESCRIPTION TABLE The HI-8588 is an ARINC 429 bus interface receiver and is available in a SO 8 pin package. The technology is analog/digital CMOS. The circuitry requires only a 5 volt supply. The ARINC bus can be connected directly to the chip. The typical 10 volt differential signal is translated and input to a window comparator and latch. The comparator levels are just below the standard 6.5 volt minimum ARINC data threshold and just above the standard 2.5 volt maximum ARINC null threshold. The TESTA and TESTB inputs bypass the analog for testing purposes. Also if TESTA and TESTB are both taken high, the analog powers down and the digital outputs tri- state allowing wire-or possibilities. Please refer to the HI-8588-10 for applications where an external resistance in series with the ARINC inputs is required for lightning protection or when the digital outputs need to be a logic zero rather than open circuit when TESTA and TESTB are both high. See Holt Application Note AN-300 for more information on lightning protection. August 2006 www.holtic.com (DS8588 Rev. C) 08/06 RINA - 4 TESTA - 2 VCC-1 RINB - 3 5 - GND 7 - ROUTB 8 - TESTB 6 - ROUTA 8 - PIN PLASTIC NARROW BODY SOIC 8588PS HOLT INTEGRATED CIRCUITS |
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